A joint publication of National Institute of Education, Maldives and Cambridge University Press, India

Exploring ICT

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Class

Student Activity Book3

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1. Know Your Computer ………………1

CONTENTSCONTENTS

PREFACEPREFACEExploring ICT are textbooks based on the requirements of the Information and Communication Technology syllabus for key stage 1, developed by the National Institute of Education. The learning experiences in the books provide a solid foundation of balanced instruction and offer a fresh approach to teaching and learning of ICT.

The book is designed to help students become proficient in ICT. The innovative computer applications and activities in the book reinforce the idea that technology can be used in many forms and can be made a part of our routine lives. The underlying pedagogy followed is to ‘learn by doing’ to develop skills of students through unique and creative activities that focus on both understanding and learning.

The activities are interactive in nature and well integrated with other subjects. The integration of technology is imperative since it has become a platform for teachers and students across the globe to communicate and share instructional materials.

We extend our sincere thanks to Cambridge University Press for partnering with us in this endeavour.

We are beholden to the members of the NIE Curriculum Team for the support rendered.

Aishath ShibanaTRC Co-ordinator

1

1ComputerKnow Your

You will learn about:

1. IPO Cycle

2. Hardware and Software

3. Types of Software

4. Operating System

Learning Objectives

SNAP RECAP

1. The main parts of a computer are the Monitor, the CPU, the Keyboard and the Mouse.

2. A computer follows the IPO cycle. 3. Input devices are used to enter information

into the computer. 4. The CPU processes and stores information. 5. Output devices show the result of processing. 6. Storage devices are used to store information.

2

IntroductionA computer helps us generate information from raw data.It follows the Input-Process-Output cycle. 1. We enter data into a computer using the keyboard

or the mouse. This data is called the input.2. The CPU converts the data into meaningful

information. This is called processing.3. After the data is processed, the result is displayed

on a monitor. This is the output.

Input–Process–Output Cycle

INPUT PROCESS

STORAGE

OUTPUT

Adding two numbers1. Input: Two numbers to

be added, are given to the computer using an input device.

2. Process: The process of addition operation is performed on these two numbers.

Adding two numbers

3 + 7 = 10

3. Output: Result is displayed on the screen.

3

Generating a report card

Generating a report card1. Input: The marks of all the

subjects are entered into the computer.

2. Process: The percentage is calculated and report card is generated.

3. Output: A printout of the generated report card is printed.

Playing games 1. Input: The player’s information is given to the

computer through mouse buttons.2. Process: The speed and the direction of the player’s

car is the process.3. Output: The effect

of the keys pressed is seen in the form of animated pictures and sound.

Playing computer games

4

ACTIVITY 1

ACTIVITY 2

Look at the pictures and answer the questions that follow.

Fill in the blanks.process, data, output, input, IPO, process

1. We send ………………………………… to the computer system. The computer system …………………………… it to give meaningful information.

2. This cycle is called the …………………………… cycle, where I stands for ……………………………, P stands for ………………… and O stands for …………………… .

1. What is the input? …………………………………………………………………………2. What is the step of drawing called? …………………………………………………………………………3. What is the output of the above cycle? …………………………………………………………………………

5

ACTIVITY 3Give the Input-Process-Output steps for the following tasks.1. Making lemonade

2. Making cheese sandwich

6

Hardware and SoftwareParts of a computer can be divided into two categories – hardware and software.

Different parts of a computer

Computer

Hardware Software

The physical parts of a computer that you can see and touch are called hardware. The Central Processing Unit (CPU) is an example of the hardware.

3. Drawing Micky Mouse in the art class

7

Hardware

Monitor

Speakers

Keyboard

MouseCPU Web camera

The set of instructions that tells the hardware how to perform a particular task is called software. For example, the body of a television is hardware but the programs you watch on it are examples of software.A computer needs a software to work. Unlike hardware, we cannot see or touch a software.

8

There are different kinds of software to do different types of work.

A family watching TV

Software

9

For example, MS Word is a software program used for creating text documents.

Paint is a software program used for drawing pictures.

Drawing in Paint

Typing in MS Word

10

ACTIVITY 4Tick (ü) the odd one out.

A.

B.

C.

D.

Office Word 2007

Office Word 2007

PowerPoint 2007

MS Excel 2007

11

ACTIVITY 5Name the software you use will to do the following activities. A. Draw pictures on the computer.

B. Talk to friends on another island using a web camera.

12

C. Watch videos and movies.

D. Type your homework.

13

Difference Between Hardware and SoftwareDo you remember that a computer follows the Input-Process-Output cycle to perform tasks? Can you guess which parts of this cycle relate to hardware and software, respectively?It is the hardware that performs input and output tasks. For example, when we solve sums on the computer, we first type the numbers using the keyboard. Then the computer shows the result on the monitor after the CPU processes the result.

Input through hardware Output through hardwareIt is the software that does the processing tasks. Therefore, the hardware supports the Input and the Output whereas the software supports the Processing part of the IPO cycle.

14

Types of SoftwareThere are two types of software – application software and system software.

MS Word 2007

The most commonly used word processing software is MS Word.

Software

ApplicationSoftware

SystemSoftware

Application softwareSoftware that is used to perform one special kind of task is called application software. Some of them are:Word processing softwareThese software programs are used to write letters, stories and reports. The most commonly used word processing software is MS Word. Other examples of application software are Paint, Windows Media Player and WordPad.

15

Multimedia softwareThese software programs are used for drawing pictures, playing games and watching movies. Paint is a very simple multimedia software.

Car racing game

Collect and paste few pictures of animated movies made with the help of multimedia software.

ACTIVITY 6

16

System SoftwareSoftware that is used to control the operation of a computer is called system software. It refers to the files and programs that make up a computer’s operating system.

Operating SystemThe operating system controls the overall working of the computer. It manages the hardware and other software programs.To understand what an operating system is, think of it as a traffic policeman. A traffic policeman tells cars and motorcycles when to move, in which direction to

move and at what speed to move. In the same way, an operating system tells the computer when to run which software program.

A traffic policeman directing the traffic

17

ACTIVITY 7Tick ( ) the activities that you do on a computer.

O U R

TO S G

P O

A W

R

Across:1. It is an electronic device.2. Operations done by a software.3. It is an example of hardware.4. These are the parts of the computer that we can

touch and feel.Down:5. The result the computer gives after processing

the data.6. The set of instructions that tells the hardware

how to perform a particular task.

1

3

2

4

5

6

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ACTIVITY 8Tick ( ) the correct answer from the choices given.

1. Paint

2. MS Window

3. Mac OS

4. Linux

5. MS Word

Application software

System software

Application software

System software

Application software

System software

Application software

System software

Application software

System software

19

ACTIVITY 9Find the right answers.

1. ………………………… is an operating system.

A. WordPad

B. MS Word

C. Windows

2. The software that helps us to do calculations on the computer is called a ………………………… .

A. Calculator

B. Pen drive

C. MS Paint

3. System software is like a ………………………… .

A. Manager

B. Teacher

C. Student

4. We can touch and feel the ………………………… .

A. System software

B. Application software

C. Hardware

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Now You Know

1. A computer is an electronic device. It accepts data, processes it and then gives the result. This is called the IPO Cycle.

2. Different parts of a computer can be divided into two categories: hardware and software.

3. Without a software, a computer is of no use.

4. Software can be of two types: application software and system software.

Exer

cise A. Fill in the blanks.

Operating system system electronic application CPU

1. The computer is an ………………………… device. 2. The computer cannot run without the

………………………… software. 3. ………………………… software performs one

special kind of task.

2121

4. Processing is done by the …………………………. 5. An ………………………… is a part of system

software.

B. Match the following. 1. Computer A. MS Word

2. Input B. Electronic device

3. Input-Process C. CPU

4. Hardware D. -Output

5. Software E. Data entered into the computer

C. State whether the following sentences are True or False.

1. A computer is an electronic device.

2. Output is the data that we enter into a computer.

3. MS Word is a kind of hardware.

4. A computer cannot work without system software.

5. MS Windows is an application software.

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D. Tick (ü) the right option.

Output Input Devices

Joystick

Monitor

Mouse

Keyboard

Printer

Speakers

A.

B.

C.

D.

E.

F.

23

E. Answer the following questions.

1. What is a computer?

………………………………………………………………

………………………………………………………………

2. What is the Input-Process-Output cycle?

………………………………………………………………

………………………………………………………………

3. Give any two examples of hardware.

………………………………………………………………

………………………………………………………………

4. What are the two kinds of software?

………………………………………………………………

………………………………………………………………

5. Write the difference between application software and system software.

………………………………………………………………

………………………………………………………………

………………………………………………………………

24

Lab Work

A. Go to the computer lab and make a list of hardware you find there. Also, check the school computer and make a list of the software installed.

B. Draw two input devices and two output devices using Paint.