35
9 TLE – ICT – CSS Quarter 1 – Module 4: Performing Computer Operations

TLE ICT CSS · 1 day ago · TLE- ICT – CSS - Grade 9 Alternative Delivery Mode Quarter 1 – Module 4: Performing Computer Operations First Edition, 2020 Republic Act 8293, section

  • Upload
    others

  • View
    525

  • Download
    107

Embed Size (px)

Citation preview

  • 9

    TLE – ICT – CSS Quarter 1 – Module 4:

    Performing Computer Operations

  • TLE- ICT – CSS - Grade 9 Alternative Delivery Mode Quarter 1 – Module 4: Performing Computer Operations First Edition, 2020 Republic Act 8293, section 176 states that: No copyright shall subsist in any work of the Government of the Philippines. However, prior approval of the government agency or office wherein the work is created shall be necessary for exploitation of such work for profit. Such agency or office may, among other things, impose as a condition the payment of royalties. Borrowed materials (i.e., songs, stories, poems, pictures, photos, brand names, trademarks, etc.) included in this module are owned by their respective copyright holders. Every effort has been exerted to locate and seek permission to use these materials from their respective copyright owners. The publisher and authors do not represent nor claim ownership over them. Published by the Department of Education Secretary: Leonor Magtolis Briones Undersecretary: Diosdado M. San Antonio

    Printed in the Philippines by ________________________ Department of Education –Region VII Schools Division of Negros Oriental Office Address: Kagawasan, Ave., Daro, Dumaguete City, Negros Oriental

    Tele #: (035) 225 2376 / 541 1117 E-mail Address: [email protected]

    Development Team of the Module

    Writers: Arlyn R. Laguras

    Editors: Mark Dave M. Vendiola, Ericson B. Elnar

    Reviewers: Mark Dave M. Vendiola, Jesusa D. Paladar

    Typesetter: Ericson B. Elnar

    Layout Artist: Ericson B. Elnar

    Management Team: Senen Priscillo P. Paulin, CESO V Rosela R. Abiera

    Fay C. Luarez, TM, Ed.D., Ph.D. Maricel S. Rasid

    Adolf P. Aguilar Elmar L. Cabrera

    Nilita L. Ragay, Ed. D.

    Antonio B. Baguio, Jr., Ed. D.

    mailto:[email protected]

  • 9

    TLE – ICT – CSS Quarter 1 – Module 4:

    Performing Computer Operations

  • ii

    Introductory Message

    For the facilitator:

    Welcome to the TLE-ICT- Computer System Servicing 9 Alternative Delivery

    Mode (ADM) Module on Performing Computer Operations!

    This module was collaboratively designed, developed and reviewed by

    educators both from public and private institutions to assist you, the teacher

    or facilitator in helping the learners meet the standards set by the K to 12

    Curriculum while overcoming their personal, social, and economic

    constraints in schooling.

    This learning resource hopes to engage the learners into guided and

    independent learning activities at their own pace and time. Furthermore, this

    also aims to help learners acquire the needed 21st century skills while taking

    into consideration their needs and circumstances.

    In addition to the material in the main text, you will also see this box in the

    body of the module:

    As a facilitator, you are expected to orient the learners on how to use this

    module. You also need to keep track of the learners' progress while allowing

    them to manage their own learning. Furthermore, you are expected to

    encourage and assist the learners as they do the tasks included in the module.

    Notes to the Teacher

    This contains helpful tips or strategies that

    will help you in guiding the learners.

  • iii

    For the learner:

    Welcome to the TLE-ICT-Computer System Servicing 9 Alternative Delivery

    Mode (ADM) Module on Performing Computer Operations!

    This module was designed to provide you with fun and meaningful

    opportunities for guided and independent learning at your own pace and time.

    You will be enabled to process the contents of the learning resource while

    being an active learner.

    This module has the following parts and corresponding icons:

    What I Need to Know

    This will give you an idea of the skills or

    competencies you are expected to learn in the

    module.

    What I Know

    This part includes an activity that aims to

    check what you already know about the

    lesson to take. If you get all the answers

    correct (100%), you may decide to skip this

    module.

    What’s In

    This is a brief drill or review to help you link

    the current lesson with the previous one.

    What’s New

    In this portion, the new lesson will be

    introduced to you in various ways; a story, a

    song, a poem, a problem opener, an activity

    or a situation.

    What is It

    This section provides a brief discussion of the

    lesson. This aims to help you discover and

    understand new concepts and skills.

    What’s More

    This comprises activities for independent

    practice to solidify your understanding and

    skills of the topic. You may check the

    answers to the exercises using the Answer

    Key at the end of the module.

    What I Have Learned

    This includes questions or blank

    sentence/paragraph to be filled in to process

    what you learned from the lesson.

    What I Can Do

    This section provides an activity which will

    help you transfer your new knowledge or skill

    into real life situations or concerns.

  • iv

    Assessment

    This is a task which aims to evaluate your

    level of mastery in achieving the learning

    competency.

    Additional Activities

    In this portion, another activity will be given

    to you to enrich your knowledge or skill of the

    lesson learned.

    Answer Key

    This contains answers to all activities in the

    module.

    At the end of this module you will also find:

    The following are some reminders in using this module:

    1. Use the module with care. Do not put unnecessary mark/s on any part

    of the module. Use a separate sheet of paper in answering the exercises.

    2. Don’t forget to answer What I Know before moving on to the other

    activities included in the module.

    3. Read the instruction carefully before doing each task.

    4. Observe honesty and integrity in doing the tasks and checking your

    answers.

    5. Finish the task at hand before proceeding to the next.

    6. Return this module to your teacher/facilitator once you are through

    with it.

    If you encounter any difficulty in answering the tasks in this module, do

    not hesitate to consult your teacher or facilitator. Always bear in mind that

    you are not alone.

    We hope that through this material, you will experience meaningful

    learning and gain deep understanding of the relevant competencies. You

    can do it!

    References This is a list of all sources used in

    developing this module.

  • This module was designed and written with you in mind. It is here to

    help you master how to Plan and Prepare for Task to be Undertaken. The

    scope of this module permits it to be used in many different learning

    situations. The language used recognizes the diverse vocabulary level of

    students. The lessons are arranged to follow the standard sequence of the

    course. But the order in which you read them can be changed to correspond

    with the textbook you are now using.

    The module is divided into three lessons, namely:

    • Lesson 1 – Occupational Health and Safety (OHS) Guidelines and

    Procedures

    • Lesson 2 – Computer Hardware

    After going through this module, you are expected to:

    1. explain OHS policies and procedures;

    2. make a plan of task to ensure OHS guidelines and procedures are

    followed;

    3. observe OHS policies and procedures in planning for installation

    activity in accordance with requirements;

    4. explain the functions of computer hardware;

    5. identify computer hardware; and

    6. Appreciate the importance of computer hardware in the computer

    system

    What I Need to Know

  • What I Know

    A. Write TRUE if the statement is correct and FALSE if the statement is incorrect.

    Write your answer on your notebook.

    1. Report the hazard to the appropriate person (such as teacher in charge,

    principal etc.) to obtain assistance.

    2. Forms are not necessary to be used with regards to the accidents happened

    in the laboratory during experiments.

    3. Wear shoes with non-conductive rubber soles to help reduce the chance of

    being shocked or seriously injured in an electrical accident. 4. If you find the fire, go out immediately even without assessing the danger.

    5. If the workplace hazard appears to be dangerous to staff and clients and

    professional assistance is required, then call the supervisor or manager and advise

    them of the problem and the urgency of the matter.

    Note: If you get 100% correct in this pre- assessment, skip the lesson but if

    not and only get 50% to 99% correct, then proceed with the lesson.

  • Lesson

    1 Occupational Health and Safety(OHS) Guidelines and

    Procedures

    What’s In

    Why is it important to follow correct procedures in monitoring the performance of operation?

    What are the factors to consider in monitoring performance operation?

  • What’s New

    Let us play a word search. Search words that are related to occupational

    health safety. Write your answer on your notebook.

    P F O L L O H A R C B N H

    O O C C U P A T I O N A L

    L R P O T N Z T S I A C I

    I M F I J M A N K O P C I

    C B I H O M R W E R A I N

    Y P R O C E D U R E D D J

    C F E U R Y V L E A R E U

    D E R T E R T F S E W N R

    R E S P O A N S A F E T Y

    _________ __________

    _________ __________

    _________ __________

    _________ __________

    _________ _________

  • What is It

    OCCUPATIONAL HEALTH AND SAFETY POLICIES AND PROCEDURES

    Occupational Health and Safety (OHS) Policy – An Information and communication technology (ICT) student should know how to behave when working

    in the computer laboratory, as well as implement a safe way of accomplishing every task. Safety practices should be learned early and always adheres in working with

    any electrical and electronic device, including personal computers and its peripherals. This is for your protection as well as to the people working with you, and

    for the devices that you are using. The basis for this process begins with Occupational Health and Safety Policies.

    Occupational safety and health (OSH) is a planned system of working to prevent illness and injury where you work by recognizing and identifying hazards

    and risks. Health and safety procedure is the responsibility of all persons in the computer and technology industries. You must identify the hazards where you are

    working and decide how dangerous they are. Eliminate the hazard or modify the risk that it presents.

    Occupational Health and Safety Standards

    Each student has a responsibility to their colleagues and their organization to report and act upon any potential workplace hazard. Students need to be aware of

    the type of hazards that are possibly present in their work environment.

    Procedure 1. Identify the hazard

    2. Clear the area close to the hazard

    3. Partition the hazard off or clearly identify the area to protect other people from harm

    4. If the hazard is easily and safely cleared, then do so

    If not…

    5. Report the hazard to the appropriate person (such as teacher in charge, principal

    etc.) to obtain assistance 6. Following clearing of the hazard fill out the correct documentation to assist in

    identifying improved practice to reduce further incidence of hazards. All hazards must be reported using Accidental Report form. This enables us to

    track the kinds of hazards we have in our workplace, and take action where necessary to make it safer for all student and clients.

    Accident reports

    Forms are used to give specific details with regards to the accidents happened in the laboratory during experiments.

  • Accident reports contain the following details:

    ✓ Name of the person injured

    ✓ Date and time of the accident

    ✓ Type of injury

    ✓ First aid given

    ✓ Action taken to prevent further accidents

    Accident report sample form

    Form No: Accident Report

    Form

    Date:

    Room No.:

    Name: Grade Level/Sec.:

    Type of Injury Cause of Injury Remedy

    Hazardous Substances

    If the workplace hazard appears to be dangerous to staff and clients and professional assistance is required:

    A. Call the supervisor or manager and advise them of the problem and the urgency of the matter.

    B. Depending on the risk it may be called as an evacuation. C. Follow the evacuation procedure.

    D. The supervisor or manager will call in the fire brigade or specialized personnel

    who will deal with the spill.

    Fire Exits

    All fire exits should be kept clear of from obstacles. All students have a

    responsibility to make sure that chairs, empty boxes or any other type of obstacle are not placed in or near fire exit doorways.

    All corridors also need to have equipment stored on one side only to ensure that in the event of an emergency there is a clear exit.

  • Fire Safety Procedure

    Each work area has a designated fire warden, who in the event of a fire

    will take charge. They are recognized by the wearing of a red hard hat.

    If you find the fire:

    ✓ Assess the danger prior to doing anything.

    ✓ If it is safe to move assist anyone in the vicinity of the fire away from danger.

    ✓ If it is possible, close the door to the fire area.

    ✓ Call for assistance. Verbally call FIRE, FIRE, in a loud and clear voice.

    ✓ Break the glass section of the fire alert call point.

    ✓ Call to the switch; ensure you know where the fire is, any other details that

    may be of assistance to the fire brigade. Details could be size of the fire, cause

    or type of fire, any people hurt or trapped, has anyone tried to put it out.

    ✓ If safe to do so, attack the fire with the correct extinguisher or fire hose.

    If the designated fire officer is not present, someone quickly needs to take responsibility and:

    1. Locate the source of the fire.

    2. Locate any people.

    3. Remove all people from the building.

    4. Once outside do a head count?

    5. Notify the authorities.

    Personal Safety While Working with PC’s

    Computer equipment can be dangerous, and you or others can be injured or

    even killed if you don’t follow proper safety guidelines when working along with PC’s.

    The following are some precautionary measures to take before working with any computer equipment:

    ✓ Wear shoes with non-conductive rubber soles to help reduce the chance of

    being shocked or seriously injured in an electrical accident.

    ✓ Do not work on components that are plugged into their power source.

    ✓ Do not remove expansion cards from a computer when it is turned on.

    ✓ Remove jewelries when working inside any computer related equipment.

    ✓ Be sure not to mix electronic components and water.

  • What’s More

    Activity 1

    Direction: Put a check mark (√) on the item if the statement shows Occupational

    Health and Safety Standards and X if it DOES NOT. Write your answer on your

    notebook.

    1. All hazards must be reported using accidental report form. TRUE 2. Call for assistance. Verbally call FIRE, FIRE, in a loud and clear voice.

    TRUE 3. If safe to do so, attack the fire with the correct extinguisher or fire hose.

    TRUE 4. If the hazard is easily and safely cleared, then just leave it there. x

    5. During evacuation, you can run anywhere where you can feel that

    the place is safe. X

    Activity 2

    Direction: Arrange the procedure in occupational health and safety standards by writing numbers 1 to 6. _______Partition the hazard off or clearly identify the area to protect other people from

    harm _______If the hazard is easily and safely cleared, then do so

    _______Identify the hazard _______Clear the area close to the hazard

    If not…

    _______Following clearing of the hazard fill out the correct documentation to assist in identifying improved practice to reduce further incidence of hazards.

    _______Report the hazard to the appropriate person (such as teacher in charge,

    principal etc.) to obtain assistance

  • What I Have Learned

    In order to secure the life of every individual working in the computer

    laboratory, it is a must that everyone should observe occupational health and

    safety procedures. Everyone should see to it that the tools and equipment

    needed for an operation are all in good condition to avoid hazard and risk.

    What I Can Do

    Make a plan for a task to ensure that OHS guidelines and procedures are

    followed.

    You will be graded according to the following rubrics:

    Areas 10 8 6 Total

    Content The plan

    clearly stated

    the task to

    ensure OHS

    guidelines and

    procedures are

    followed

    The plan shows

    vague idea on the

    details of

    the task to ensure

    OHS guidelines and

    procedures are

    followed

    The details

    are not

    clearly

    stated

    Organization The plan

    shows logical

    and well-

    structured

    ideas.

    The ideas of the plan

    is not well-

    structured.

    Lacks

    organization

    Timeliness Submitted

    ahead of time

    Submitted on time Submitted

    beyond the

    given time

  • Assessment

    Answer the following in your notebook.

    1. What is occupational health and safety (OHS) policy?

    2. What is occupational safety and health (OSH)?

    3. Is it important to follow occupational health and safety procedures? Why or Why not?

    Additional Activities

    Make a poster that shows the importance of occupational health and

    safety policies and procedures.

  • Answer Key

    WHAT I CAN DO

    The students will be graded based on the

    following rubrics:

    Note: The teacher can modify the rubrics

    What’s In

    Answers may vary

    What I Know

    1. True

    2. False

    3. True

    4. False

    5. True

    What’s New (In No Particular Order)

    Policy

    Occupational

    Hazard

    Risk

    Procedure

    Accident

    Form

    Fire

    Safety

    Injury

    What’s More

    Activity 1:

    1. √

    2. √

    3. √

    4. X

    5. X

    Activity 2:

    3

    4

    1

    2

    6

    5

    Assessment

    Answers may vary

  • References

    2013. “Technology and Livelihood Education – Grade 9 Learner's Material.” In

    Technology and Livelihood Education – Grade 9 Learner's Material, ng Cesar T.

    Arriola, Dante B. Bermas, Ronaldo V. Ramilo, Rosalie P. Lujero, Diana Marie B. Dagli,

    Dr. Virgilio O. Guevarra, and Maria Angelica G. Mates Owen M. Milambiling, 33-37.

    2nd Floor Dorm G, Philsports Complex, Meralco Avenue: Department of Education.

    Merriam-Webster.com Dictionary, s.v. “accident,” accessed June 30, 2020,

    https://www.merriam-webster.com/dictionary/accident.

    Merriam-Webster.com Dictionary, s.v. “policy,” accessed June 30, 2020,

    https://www.merriam-webster.com/dictionary/policy.

    Merriam-Webster.com Dictionary, s.v. “procedure,” accessed June 30, 2020,

    https://www.merriam-webster.com/dictionary/procedure.

    Merriam-Webster.com Dictionary, s.v. “hazard,” accessed June 30, 2020,

    https://www.merriam-webster.com/dictionary/hazard.

  • For inquiries or feedback, please write or call: Department of Education – Schools Division of Negros Oriental Kagawasan, Avenue, Daro, Dumaguete City, Negros Oriental

    Tel #: (035) 225 2376 / 541 1117 Email Address: [email protected] Website: lrmds.depednodis.net

    mailto:[email protected]

  • What I Know

    Direction: Read each item carefully. A. Identify the computer hardware that best describe the following statements. Write

    your answer on your notebook.

    _______ 1. It is the main part of a microcomputer and sometimes called the chassis. _______ 2. The main circuit board of a computer.

    _______ 3. It performs all of the instructions and calculations that are needed and

    manages the flow of information through a computer.

    _______ 4. Is a magnetic storage device that is installed inside the computer.

    _______ 5. Is composed of buttons that create letters, numbers, and symbols, as well as perform other functions.

    ______ 6. Enables its user to move a cursor smoothly and intuitively across a two-dimensional plane

    is a magnetic storage device that is installed inside the computer.

    _______ 7. It displays information in visual form, using text and graphics.

    ______ 8. Is the computer's working storage space that holds data, instructions for

    processing and processed data (information) waiting to be sent to secondary storage.

    ______ 9. A bus is a data pathway between several hardware components inside or

    outside a computer.

    ______ 10. Is a storage device that uses lasers to read data on the optical media

    https://www.computerhope.com/jargon/l/letter.htmhttps://www.computerhope.com/jargon/n/number.htmhttps://www.computerhope.com/jargon/s/symbol.htm

  • Lesson

    2 Computer Hardware

    What’s In

    What is occupational health and safety policy?

    What are the procedures in occupational health and safety standards?

    What are the parts of the accident report?

    Notes to the Teacher

    Text Text Text Text Text Text Text Text Text Text Text Text

    Text Text Text Text Text Text Text Text Text Text Text Text

    Text Text Text Text Text Text Text Text Text Text Text Text

    Text Text Text Text Text Text Text Text Text Text Text Text

    Text Text Text Text Text Text Text Text Text Text Text Text

    Text Text Text Text Text Text Text

  • What’s New

    Direction: Let us show some of your artistry. Draw the following

    computer hardware and after you have drawn, write a brief or simple description of

    each.

    1. Computer Keyboard

    2. Mouse

    3. Printer

    3. Computer Monitor

    5. System Unit

  • What is It

    The physical, touchable, electronic and mechanical parts of a computer are called the hardware which is composed of different devices attached to the computer.

    The following list represents a basic set of devices found in most Personal Computers.

    1. System Unit- The main part of a

    microcomputer, sometimes called the chassis. It includes the following parts: Motherboard,

    Microprocessor, Memory Chips, Buses, Ports, Expansion Slots and Cards.

    2. Motherboard / Mainboard / System Board-

    The main circuit board of a computer. It contains

    all the circuits and components that run the

    computer.

    3. CPU (Central Processing Unit) - The processor

    is the main “brain” or “heart” of a computer system.

    It performs all of the instructions and calculations

    that are needed and manages the flow of

    information through a computer.

    4. Primary storage- (internal storage, main memory

    or memory) is the computer's working storage

    space that holds data, instructions for processing

    and processed data (information) waiting to be

    sent to secondary storage. Physically, primary

    storage is a collection of RAM chips.

    Two (2) Types of Memory

    a. ROM – (Read Only Memory) ROM is non-volatile,

    meaning it holds data even when the power is

    ON or OFF.

    b. RAM – (Random Access Memory) RAM is volatile, meaning it holds data only

    when the power is on. When the power is off, RAM's contents are lost.

  • 5. Expansion Bus - A bus is a data pathway

    between several hardware components inside

    or outside a computer. It does not only connect

    the parts of the CPU to each other, but also links

    the CPU with other important

    6. Adapters- Printed-circuit boards (also called

    interface cards) that enable the computer to use a

    peripheral device for which it does not have the

    necessary connections or circuit boards. They are

    often used to permit upgrading to a new different

    hardware.

    7. Power Supply Unit (PSU) - Installed in the

    back corner of the PC case, next to the

    motherboard. It converts 120vac (standard house

    power) into DC voltages that are used by other

    components in the PC.

    8. Hard Disk Drive (HDD) - Also known as

    hard drive, is a magnetic storage device that is

    installed inside the computer. The hard drive is

    used as permanent storage for data. In a Windows

    computer, the hard drive is usually configured as

    the C: drive and contains the operating system and

    applications.

    9. Optical Drive- An optical drive is a storage

    device that uses lasers to read data on the optical

    media. There are three types of optical drives:

    Compact Disc (CD), Digital Versatile Disc (DVD)

    and Blu-ray Disc (BD)

    10. Digital Versatile Disc (DVD) - Designed to

    optically access data stored on a DVD. A laser

    moves back and forth near the disk surface and

    accesses data at a very fast rate.

  • INPUT AND OUTPUT DEVICES

    What are the input and output devices of a computer?

    The devices attached to a personal computer can be classified into two- the

    input and output devices. Input Device is composed of a device that accepts data

    and instructions from the user or from another computer system. While, output

    device is any piece of computer hardware that displays results after the computer

    has processed the input data that has been entered.

    Two (2) Types of Input Devices

    1. Keyboard Entry – Data is inputted to the

    computer through a keyboard.

    Keyboard - The first input device developed for

    the PC. Data is transferred to the PC over a short cable with a circular 6-pin Mini-din connector that

    plugs into the back of the motherboard.

    2. Direct Entry – A form of input that does not require data to be keyed by

    someone sitting at a keyboard. Direct-entry devices create machine-readable data

    on paper, or magnetic media, or feed it directly into the computer’s CPU.

    Three Categories of Direct Entry Devices

    1. Pointing Devices - An input device used to move the pointer (cursor) on screen.

    Mouse - The most common 'pointing device' used

    in PCs. Every mouse has two buttons and most

    have one or two scroll wheels.

    Touch screen- A display screen that is sensitive

    to the touch of a finger or stylus. Used in myriad

    applications, including ATM machines, retail

    point-of-sale terminals, car navigation and

    industrial controls. The touch screen became

    wildly popular for smart phones and tablets.

    Light Pen - A light-sensitive stylus wired to

    a video terminal used to draw pictures or

    select menu options. The user brings the

    pen to the desired point on screen and presses

    the pen button to make contact.

  • Digitizer Tablet - A graphics drawing tablet

    used for sketching new images or tracing old

    ones. Also called a "graphics tablet," the user

    contacts the surface of the device with a wired

    or wireless pen or puck. Often mistakenly called

    a mouse, the puck is officially the "tablet cursor."

    2. Scanning Devices- A device that can read

    text or illustrations printed on paper and translates

    the information into a form the computer can use.

    3. Voice- Input Devices - Audio input devices also

    known as speech or voice recognition systems that

    allow a user to send audio signals to a computer for

    processing, recording, or carrying out commands.

    Audio input devices such as microphones allow users

    to speak to the computer in order to record a voice

    message or navigate software.

    Output Devices

    1. Computer Display Monitor- It displays information in visual form, using text

    and graphics. The portion of the monitor that displays the information is called the

    screen or video display terminal.

    Types of Monitor

    a. CRT Monitors - Cathode Ray Tubes (CRT)

    were the only type of displays for use with

    desktop PCs. They are relatively big

    (14" to 16" deep) and heavy (over 15 lbs).

    b. LCD Monitors – Liquid Crystal Display (LCD)

    technology has been used in laptops for some

    time. It has recently been made commercially

    available as monitors for desktop PCs.

  • c. LED Monitors (Light Emitting Diode) - A display

    and lighting technology used in almost every

    electrical and electronic product on the market,

    from a tiny on/off light to digital readouts, flashlights,

    traffic lights and perimeter lighting.

    2. LCD Projectors- utilize two sheets of

    polarizing material with a liquid crystal solution

    between them. An electric current passed through

    the liquid causes the crystals to align so that light

    cannot pass through them. Each crystal, therefore,

    is like a shutter, either allowing light to pass through

    or blocking the light.

    3. Smart Board - A type of display screen that

    has a touch sensitive transparent panel covering

    the screen, which is similar to a touch screen.

    4. Printer - A device that prints text or illustrations

    on paper.

    Types of printer

    a) Ink-Jet or Bubble-Jet Printer - spays ink at

    a sheet of paper. Ink-jet printers produce high-quality

    text and graphics.

    b) Laser Printer - Uses the same technology as

    copy machines. Laser printers produce very high

    quality text and graphics.

    c) LCD and LED Printer- Similar to a laser

    printer, but uses liquid crystals or light-emitting

    diodes rather than a laser to produce an image on

    the drum.

  • d) Line Printer - Contains a chain of characters

    or pins that print an entire line at one time. Line

    printers are very fast, but produce low-quality print.

    e) Thermal Printer- An inexpensive printer

    that works by pushing heated pins against

    heat-sensitive paper. Thermal printers are

    widely used in calculators and fax machines.

    5. Speakers - Used to play sound. They

    may be built into the system unit or

    connected with cables. Speakers

    allow you to listen to music and hear

    sound effects from your computer.

    What’s More

    What are the two types of input devices?

    What are the 3 categories of direct entry devices? Give 3 examples.

    Give 5 examples of output devices.

  • What I Have Learned

    Computer hardware is considered as the most important parts of the

    computer system because without it the application software and the

    operating system will not work. It is very important that you know how to

    handle the hardware and know the function of each part so that you can do

    simple troubleshooting if one of the parts failed to function.

    What I Can Do

    Direction: Let us name them. Identify the following computer hardware. Write your

    answer on your notebook.

    1. 2. 3.

    4. 5. 6.

    7. 8. 9.

    10.

  • Assessment

    Matching Type. Match column A with Column B and write your answer on your

    notebook.

    COLUMN A COLUMN B

    1. Input Device A. An input device used to move the

    pointer (cursor) on screen

    2. Output device

    B. Is composed of a device that accepts

    data and instructions from the user or

    from another computer system

    3. Pointing Devices C. Used to play sound. They may be built into the system unit or connected with cables. Speakers allow you to

    listen to music and hear sound effects from your computer.

    4. Touch screen D. Utilize two sheets of polarizing

    material with a liquid crystal solution

    between them.

    5. Scanning Devices

    E. is any piece of computer hardware

    that displays results after the computer

    has processed the input data that has

    been entered.

    6. Smart Board

    F A device that can read text or

    illustrations printed on paper and

    translates the information into a form

    the computer can use

    7. LCD Projectors G. A type of display screen that has a touch sensitive transparent panel

    covering the screen, which is similar to a touch screen.

    8. Printer H.Also known as hard drive, is a

    magnetic storage device that is installed

    inside the computer

    9. Speakers I. A display screen that is sensitive to the

    touch of a finger or stylus.

    10. Hard Disk Drive (HDD) J. A device that prints text or

    illustrations on paper

  • Additional Activities

    Let us do some inventory. List down the major parts (hardware) of a computer

    system.

  • What I Know 1. Central Processing Unit (CPU)

    2. Motherboard 3. System Unit

    4. Primary Storage 5. Expansion Bus

    6. Adapter 7. Power Supply Unit

    8. Hard Disk Drive

    9. Optical Drive 10. Digital Versatile Disc (DVD)

    What’s New

    Answers may vary

    What’s More

    Answers may vary

    What I Can Do

    1.Central Processing Unit 2.Motherboard 3.Digital Versatile Disc

    4.Hard Disk Drive 5.Adapters

    6.Random Access Memory 7.Expansion Bus

    8.Power Supply Unit 9.Optical Drive

    10.System Unit Assessment

    1.B

    2.E 3.A

    4.I 5.F

    6.G 7.D 8.J

    9.C 10.H

    Additional Activity

    Answers may vary

    Answer Key

  • Text References

    2020. https://www.computerhope.com. April 30. Accessed June 30, 2020.

    https://www.computerhope.com/jargon/k/keyboard.htm.

    Nield, David. n.d. https://itstillworks.com. Accessed June 30, 2020.

    https://itstillworks.com/function-computer-mouse-1299.html.

    2013. “Technology and Livelihood Education – Grade 9 Learner's Material.” In

    Technology and Livelihood Education – Grade 9 Learner's Material, ng

    Cesar T. Arriola, Dante B. Bermas, Ronaldo V. Ramilo, Rosalie P.

    Lujero, Diana Marie B. Dagli, Dr. Virgilio O. Guevarra, and Maria

    Angelica G. Mates Owen M. Milambiling, 33-37. 2nd Floor Dorm G,

    Philsports Complex, Meralco Avenue: Department of Education.

    Image References

    (https://sites.google.com/site/computersavvy92/home/inside-the-system-

    unit n.d.)

    (https://pcx.com.ph/product/ecs-b250h4-m20-lga-1151-motherboard/

    n.d.)

    (https://www.howtogeek.com/413942/how-to-see-what-cpu-is-in-your-pc-

    and-how-fast-it-is/ n.d.)

    (https://en.wikipedia.org/wiki/Bus_(computing)#/media/File:PCIExpress.jp

    g n.d.)

    (https://favpng.com/png_view/sd-card-network-cards-adapters-computer-

    network-ethernet-conventional-pci-png/zFbBM8TS n.d.)

    (https://www.instructables.com/id/Power-Supply-For-Arduino-power-and-

    breadboard/ n.d.)

    (https://www.pcworld.com/article/248980/how-to-partition-and-format-

    your-hard-drive-in-windows.html n.d.)

    (https://www.pcbuildadvisor.com/components/optical-drives/ n.d.)

    (https://www.proprofs.com/discuss/q/62044/need-to-backup-the-

    information-on-my-computer-it n.d.)

    (https://tyshen.en.made-in-china.com/product/uvxnYiAPFEhH/China-

    Computer-Keyboard-Hot-Sale-Model.html n.d.)

    (https://techspirited.com/history-of-computer-mouse n.d.)

    (https://lifehacker.com/why-would-i-want-a-touch-screen-pc-5978694 n.d.)

    (http://infotech100.weebly.com/pen-input-devices.html n.d.)

  • (https://www.umpcportal.com/tablets-with-digitizer-pen/ n.d.)

    (https://sites.google.com/site/htechnology23/extra-credit/source-data-

    entry-devices n.d.)

    https://www.macworld.com/article/1163860/choose_the_right_mac_micro

    phone_ for_speech_recognition.html

    (https://fcit.usf.edu/matrix/project/old-crt-monitor-with-knockout/ n.d.)

    (https://partizanstore.eu/products/32-lcd-lg/ n.d.)

    (https://cashkaro.com/LG-24MN48A-24-inch-LED-Monitor/CKS-860-

    000158 n.d.)

    (http://cheap-projectors-australia.blogspot.com/p/hd-66-lcd-projector-at-

    only-37999.html n.d.)

    (https://avtech.rasonglobal.com/smart-board-6065-v2-interactive-flat-

    panel.html n.d.)

    (http://www.winkprintersolutions.com/articles/proper-maintenance-of-

    ciss-printers/ n.d.)

    (https://www.croma.com/hp-1020-plus-laserjet-printer-cc418a-white-

    /p/169856 n.d.)

    (https://www.croma.com/hp-1020-plus-laserjet-printer-cc418a-white-

    /p/169856 n.d.)

    (http://printronix.com/ibm-infoprint-printers/ n.d.)

    (https://www.juangadget.com/products/excelvan-pos-printer-thermal-

    58mm-receipt n.d.)

    (https://us.creative.com/p/speakers/inspire-t6300 n.d.)

    https://www.macworld.com/article/1163860/choose_the_right_mac_microphone_for_speech_recognition.htmlhttps://www.macworld.com/article/1163860/choose_the_right_mac_microphone_for_speech_recognition.html

  • For inquiries or feedback, please write or call: Department of Education – Schools Division of Negros Oriental Kagawasan, Avenue, Daro, Dumaguete City, Negros Oriental

    Tel #: (035) 225 2376 / 541 1117 Email Address: [email protected] Website: lrmds.depednodis.net

    mailto:[email protected]