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Computer Knowledge Sample Questions Test – 1 1. _ _ _ _ _ _ _ _ _ translates and executes program at run time line by line 1) Compiler 2) Interpreter 3) Linker 4) Loader 5) None 2. _ _ _ _ _ _ _ _ is an OOP principle 1) Structured programming 2) Procedural programming 3) Inheritance 4) Linking 5) None 3. COBOL is widely used in _ _ _ _ _ _ _ applications 1) Commercial 2) Scientific 3) Space 4) Mathematical 5) None 4. RAM stands for 1) Random origin money 2) Random only memory 3) Read only memory 4) Random access memory 5) None 5. 1 Byte = ? 1) 8 bits 2) 4 bits 3) 2 bits 4) 9 bits 5) None 6. SMPS stands for 1) Switched mode power supply 2) Start mode power supply 3) Store mode power supply 4) Single mode power supply 5) None 7. The device used to carry digital data on analog lines is called as 1) Modem 2) Multiplexer 3) Modulator 4) Demodulator 5) None 8. VDU is also called 1) Screen 2) Monitor 3) Both 1 & 2 4) printer 5) None 9. BIOS stands for 1) Basic Input Output system 2) Binary Input output system 3) Basic Input Off system 4) all the above 5) None

Computer Knowledge Sample Questions Test

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Page 1: Computer Knowledge Sample Questions Test

Computer Knowledge Sample Questions Test – 1

1. _ _ _ _ _ _ _ _ _ translates and executes program at run time line by line1) Compiler 2) Interpreter 3) Linker 4) Loader 5) None

2. _ _ _ _ _ _ _ _ is an OOP principle1) Structured programming 2) Procedural programming 3) Inheritance4) Linking 5) None

3. COBOL is widely used in _ _ _ _ _ _ _ applications1) Commercial 2) Scientific 3) Space 4) Mathematical5) None

4. RAM stands for1) Random origin money 2) Random only memory 3) Read only memory4) Random access memory 5) None

5. 1 Byte = ?1) 8 bits 2) 4 bits 3) 2 bits 4) 9 bits 5) None

6. SMPS stands for1) Switched mode power supply 2) Start mode power supply3) Store mode power supply 4) Single mode power supply5) None

7. The device used to carry digital data on analog lines is called as1) Modem 2) Multiplexer 3) Modulator 4) Demodulator 5) None

8. VDU is also called1) Screen 2) Monitor 3) Both 1 & 2 4) printer 5) None

9. BIOS stands for1) Basic Input Output system 2) Binary Input output system3) Basic Input Off system 4) all the above5) None

10. Father of ‘C’ programming language1) Dennis Ritchie 2) Prof Jhon Kemeny 3) Thomas Kurtz 4) Bill Gates5) None

11. The 16 bit Microprocessor means that it has1) 16 address lines 2) 16 Buses 3) 16 Data lines 4) 16 routes 5) None

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12. Data going into the computer is called1) Output 2) algorithm 3) Input 4) Calculations 5) flow chart

13. Which of the following refers to a small, single-site network?1) LAN 2) DSL 3) RAM 4) USB 5) CPU

14. Microsoft Office is1) Shareware 2)Public domain software 3) Open-sourse software4) A vertical market application 5) An application suite

15. How many options does a BINARY choice offer1) None 2) One 3) Two4) it depends on the amount of memory on the computer5) It depends on the speed of the computer’s processor

16. A collection of program that controls how your computer system runs and processes information is called1) Operating System 2) Computer 3) Office 4) Compiler 5) Interpreter

17. Computer connected to a LAN (Local Area Network) can1) run faster 2) go on line3) share information and /or share peripheral equipment4) E-mail 5) None

18. Information travels between components on the mother board through1) Flash memory 2) CMOS 3) Bays 4) Buses 5) Peripherals

19. How are data organized in a spreadsheet?1) Lines & spaces 2) Layers & Planes 3) Height & Width4) Rows & Columns 5) None

20. The blinking symbol on the computer screen is called the1) mouse 2) logo 3) hand 4) palm 5) cursor

Ans:-

01.2 06.1 11.3 16.102.3 07.1 12.3 17.303.1 08.3 13.1 18.304.4 09.1 14.5 19.405.1 10.1 15.3 20.5

Page 3: Computer Knowledge Sample Questions Test

Computer Knowledge Sample Questions Test – 2

1. A fault in a computer program which prevents it from working correctly is known as1) Boot2) Bug3) Biff4) Strap5) None

2. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is _ _ _ _ _ _ _ 1) Bug2) Vice3) Lice4) Worm5) None

3. A _ _ _ _ _ _ is a bi-stable electronic circuit that has two stable states.1) Multivibrator2) Flip-flop3) Logic gates4) laten5) None

4. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as1) Spam2) Trash3) Calibri4) Courier5) None

5. DOS stands for1) Disk Operating System2) Disk operating session3) Digital Operating System4) Digital Open system5) None

6. Who is the chief of Microsoft1) Babbage2) Bill Gates3) Bill Clinton4) Bush5) None

Page 4: Computer Knowledge Sample Questions Test

7. Which of the following are input devices.1) Keyboard2) Mouse3) Card reader4) Scanner5) All of these

8. Examples of output devices are1) Screen2) Printer3) Speaker4) All of these5) None

9. Which of the following is also known as brain of computer1) Control unit2) Central Processing unit3) Arithmatic and language unit4) Monitor5) None

10. IBM stands for1) Internal Business Management2) International Business Management3) International Business Machines4) Internal Business Machines5) None

11. Which of the following is a part of the Central Processing Unit?1) Printer2) Key board3) Mouse4) Arithmetic & Logic unit5) None

12. CAD stands for1) Computer aided design2) Computer algorithm for design3) Computer application in design4) All of the above5) None

13. Which of the following printer cannot print graphics?1) Ink-jet2) Daisy Wheel3) Laser

Page 5: Computer Knowledge Sample Questions Test

4) Dot-matrix5) None

14. A program written in machine language is called?1) Assembler2) Object3) Computer4) Machine5) None

15. The father of Modern Computer is1) Charles Babbage2) Von-nuumann3) Danies Ritchel4) Blaise Pascal5) None

16. The Word FTP stands for1) File Translate Protocol2) File Transit Protocol3) File Transfer protocol4) file typing protocol5) None

17. The lowest form of Computer language is called1) BASIC2) FORTRAN3) Machine Language4) COBOL5) None

18. Best Quality graphics is produced by1) Dot Matix2) Laser Printer3) Inkjet Printer4) Plotter5) None

19. Memory which forgets every thing when you switch off the power is known as 1) Corrupted2) Volatile3) Non-Volatile4) Non-Corrupted5) None

Page 6: Computer Knowledge Sample Questions Test

20. The linking of computers with a communication system is called1) Networking2) Pairing3) Interlocking4) Assembling5) Sharing

1. Database redesign is not terribly difficult if the:database is structured.database is well-designed.database has no data.database is relatively small.Ans (3)

2. A regular subquery can be processed:from the top down.from the bottom up.by nesting.None of the above is correct.

Ans (2)

3. Which of the following SQL statements are helpful in database redesign?Correlated subqueries onlyEXISTS/NOT EXISTS expressions onlyBoth of the above are helpfulNone of the above are helpful.

Ans (3)

4. Which is not true of a correlated subquery?EXISTS/NOT EXISTS is a form of a correlated subquery.The processing of the SELECT statements is nested.They can be used to verify functional dependencies.They are very similar to a regular subquery.

Ans (4)

5. The EXISTS keyword will be true if:any row in the subquery meets the condition only.all rows in the subquery fail the condition only.both of these two conditions are met.neither of these two conditions is met.

Ans (1)

6. The NOT EXISTS keyword will be true if:any row in the subquery meets the condition.all rows in the subquery fail the condition.both of these two conditions are met.neither of these two conditions is met.Ans (2)

7. How can you find rows that do not match some specified condition?EXISTSDouble use of NOT EXISTSNOT EXISTSNone of the above is correct.Ans (2)

Page 7: Computer Knowledge Sample Questions Test

8. Before any changes to database structure are attempted one should first:clearly understand the current structure and contents of the database only.test any changes on a test database only.create a complete backup of the operational database only.All of the above should be done.

Ans (4)

9. The process of reading a database schema and producing a data model from that schema is known as:data modeling.database design.reverse engineering.None of the above is correct.

Ans (3)

10. The data model that is produced from reverse engineering is:1. a conceptual model.2. an internal model.3. a logical model.4. None of the above is correct.

Ans (4)

11. A tool that can help designers understand the dependencies of database structures is a:dependency graph.data model.graphical display.None of the above is correct.

Ans (1)

12. How many copies of the database schema are typically used in the redesign process?OneTwoThreeFour

Ans (3)

13 Which SQL-92 standard SQL command can be used to change a table name?RENAME TABLECHANGE TABLEALTER TABLENone of the above is correct.Ans (4)

14.What SQL command can be used to add columns to a table?MODIFY TABLE TableName ADD COLUMN ColumnNameMODIFY TABLE TableName ADD ColumnNameALTER TABLE TableName ADD COLUMN ColumnNameALTER TABLE TableName ADD ColumnName

Ans (3)

15. What SQL command can be used to delete columns from a table?MODIFY TABLE TableName DROP COLUMN ColumnNameMODIFY TABLE TableName DROP ColumnNameALTER TABLE TableName DROP COLUMN ColumnNameALTER TABLE TableName DROP ColumnName

Ans (3)

16. To drop a column that is used as a foreign key, first:drop the primary key.

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drop the table containing the foreign key..drop the foreign key constraint.All of the above must be done.Ans (3)

17. Which of the following modifications may not succeed?Changing a column data type from char to dateChanging a column data type from numeric to charBoth of the above actions should succeed.Neither of the above actions will succeed.

Ans (1)

18. What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck Check (Grade > 0);None of the above is correct.

Ans (3)

19. Changing cardinalities in a database is:a common database design task.a rare database design task, but does occur.a database design task that never occurs.is impossible to do, so a new database must be constructed and the data moved into it.

Ans (1)

20. Because of the importance of making data model changes correctly, many professionals are __________ about using an automated process for database redesign.optimisticskepticalambivalentNone of the above is correct.

Ans (2)

Paper :Computer General Knowledge For Bank Examination

Computer General Knowledge For Bank PO Exam1. All of the following are examples of real security and privacy risks EXCEPT:

A. hackers.

B. spam.

C. viruses.

D. identity theft.

Answer: B

2. A process known as ____________ is used by large retailers to study trends.

A. data mining

B. data selection

C. POS

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D. data conversion

Answer: A

3. ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales

computer systems.

A. Data

B. Point-of-sale (POS)

C. Sales

D. Query

Answer: B

4. A(n) ____________ system is a small, wireless handheld computer that scans an item’s tag and pulls up the

current price (and any special offers) as you shop.

A. PSS

B. POS

C. inventory

D. data mining

Answer: A

5. The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law

enforcement specialty called:

A. robotics.

B. simulation.

C. computer forensics.

D. animation.

Answer: C

6. Which of the following is NOT one of the four major data processing functions of a computer?

A. gathering data

B. processing data into information

C. analyzing the data or information

D. storing the data or information

Answer: C

7. ____________ tags, when placed on an animal, can be used to record and track in a database all of the animal’s

movements.

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A. POS

B. RFID

C. PPS

D. GPS

Answer: B

8. Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This

technology is known as:

A. robotics.

B. computer forensics.

C. simulation.

D. forecasting.

Answer: A

9. Technology no longer protected by copyright, available to everyone, is considered to be:

A. proprietary.

B. open.

C. experimental.

D. in the public domain.

Answer: A

10. ____________ is the study of molecules and structures whose size ranges from 1 to 100 nanometers.

A. Nanoscience

B. Microelectrodes

C. Computer forensics

D. Artificial intelligence

Answer: A

11. ____________ is the science that attempts to produce machines that display the same type of intelligence that

humans do.

A. Nanoscience

B. Nanotechnology

C. Simulation

D. Artificial intelligence (AI)

Answer: D

12. ____________ is data that has been organized or presented in a meaningful fashion.

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A. A process

B. Software

C. Storage

D. Information

Answer: D

13. The name for the way that computers manipulate data into information is called:

A. programming.

B. processing.

C. storing.

D. organizing.

Answer: B

14. Computers gather data, which means that they allow users to ____________ data.

A. present

B. input

C. output

D. store

Answer: B

15. After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture

is considered:

A. data.

B. output.

C. input.

D. the process.

Answer: B

16. Computers use the ____________ language to process data.

A. processing

B. kilobyte

C. binary

D. representational

Answer: C

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17. Computers process data into information by working exclusively with:

A. multimedia.

B. words.

C. characters.

D. numbers.

Answer: D

18. In the binary language each letter of the alphabet, each number and each special character is made up of a

unique combination of:

A. eight bytes.

B. eight kilobytes.

C. eight characters.

D. eight bits.

Answer: D

19. The term bit is short for:

A. megabyte.

B. binary language.

C. binary digit.

D. binary number.

Answer: C

20. A string of eight 0s and 1s is called a:

A. megabyte.

B. byte.

C. kilobyte.

D. gigabyte.

Answer: B

21. A ____________ is approximately one billion bytes.

A. kilobyte

B. bit

C. gigabyte

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D. megabyte

Answer: C

22. A ____________ is approximately a million bytes.

A. gigabyte

B. kilobyte

C. megabyte

D. terabyte

Answer: C

23. ____________ is any part of the computer that you can physically touch.

A. Hardware

B. A device

C. A peripheral

D. An application

Answer: A

24. The components that process data are located in the:

A. input devices.

B. output devices.

C. system unit.

D. storage component.

Answer: C

25. All of the following are examples of input devices EXCEPT a:

A. scanner.

B. mouse.

C. keyboard.

D. printer.

Answer: D

26. Which of the following is an example of an input device?

A. scanner

B. speaker

C. CD

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D. printer

Answer: A

27. All of the following are examples of storage devices EXCEPT:

A. hard disk drives.

B. printers.

C. floppy disk drives.

D. CD drives.

Answer: B

28. The ____________, also called the “brains†of � the computer, is responsible for processing data.

A. motherboard

B. memory

C. RAM

D. central processing unit (CPU)

Answer: D

29. The CPU and memory are located on the:

A. expansion board.

B. motherboard.

C. storage device.

D. output device.

Answer: B

30. Word processing, spreadsheet, and photo-editing are examples of:

A. application software.

B. system software.

C. operating system software.

D. platform software.

Answer: A

31. ____________ is a set of computer programs used on a computer to help perform tasks.

A. An instruction

B. Software

C. Memory

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D. A processor

Answer: B

32. System software is the set of programs that enables your computer’s hardware devices and ____________

software to work together.

A. management

B. processing

C. utility

D. application

Answer: D

33. The PC (personal computer) and the Apple Macintosh are examples of two different:

A. platforms.

B. applications.

C. programs.

D. storage devices.

Answer: A

34. Apple Macintoshes (Macs) and PCs use different ____________ to process data and different operating systems.

A. languages

B. methods

C. CPUs

D. storage devices

Answer: C

35. Servers are computers that provide resources to other computers connected to a:

A. network.

B. mainframe.

C. supercomputer.

D. client.

Answer: A

36. Smaller and less expensive PC-based servers are replacing ____________ in many businesses.

A. supercomputers

B. clients

C. laptops

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D. mainframes

Answer: D

37. ____________ are specially designed computers that perform complex calculations extremely rapidly.

A. Servers

B. Supercomputers

C. Laptops

D. Mainframes

Answer: B

38. DSL is an example of a(n) ____________ connection.

A. network

B. wireless

C. slow

D. broadband

Answer: D

39. The difference between people with access to computers and the Internet and those without this access is known

as the:

A. digital divide.

B. Internet divide.

C. Web divide.

D. broadband divide.

Answer: A

40. ____________ is the science revolving around the use of nanostructures to build devices on an extremely small

scale.

A. Nanotechnology

B. Micro-technology

C. Computer forensics

D. Artificial intelligence

Answer: A

41. Which of the following is the correct order of the four major functions of a computer?

A. Process à Output à Input à Storage

B. Input à Outputà Process à Storage

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C. Process à Storage à Input à Output

D. Input à Process à Output à Storage

Answer: D

42. ____________ bits equal one byte.

A. Eight

B. Two

C. One thousand

D. One million

Answer: A

43. The binary language consists of ____________ digit(s).

A. 8

B. 2

C. 1,000

D. 1

Answer: B

44. A byte can hold one ____________ of data.

A. bit

B. binary digit

C. character

D. kilobyte

Answer: C

45. ____________ controls the way in which the computer system functions and provides a means by which users can

interact with the computer.

A. The platform

B. The operating system

C. Application software

D. The motherboard

Answer: B

46. The operating system is the most common type of ____________ software.

A. communication

B. application

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C. system

D. word-processing software

Answer: C

47. ____________ are specially designed computer chips that reside inside other devices, such as your car or your

electronic thermostat.

A. Servers

B. Embedded computers

C. Robotic computers

D. Mainframes

Answer: B

48. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:

A. instructions.

B. the operating system.

C. application software.

D. the system unit.

Answer: A

49. The two broad categories of software are:

A. word processing and spreadsheet.

B. transaction and application.

C. Windows and Mac OS.

D. system and application.

Answer: D

50. The metal or plastic case that holds all the physical parts of the computer is the:

A. system unit.

B. CPU.

C. mainframe.

D. platform.

Answer: A

Fill in the Blank:

51. Between PCs and Macs, the ____________ is the platform of choice for graphic design and animation.

Answer: Mac

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52. The ____________ is the program that manages the hardware of the computer system, including the CPU, memory,

storage devices, and input/output devices.

Answer: operating system

53. The type of operating system software you use depends on your computer’s ____________.

Answer: platform

54. ____________software helps you carry out tasks, such as typing a document or creating a spreadsheet.

Answer: Application

55. ____________are the fastest and most expensive computers.

Answer: Supercomputers

56. A ____________ is approximately 1,000 bytes.

Answer: kilobyte

57. Input devices are used to provide the steps and tasks the computer needs to process data, and these steps and

tasks are called ____________.

Answer: instructions

58. A computer gathers data, processes it, outputs the data or information, and ____________ the data or information.

Answer: stores

59. The binary language consists of two digits: ____________ and ____________.

Answer: 0 and 1

60. A string of ____________ 0s and 1s is called a byte.

Answer: eight (8)

61. The devices you use to enter data into a computer system are known as ____________ devices.

Answer: input

62. The devices on a computer system that let you see the processed information are known as ____________ devices.

Answer: output

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63. ____________ is the set of computer instructions or programs that enables the hardware to perform different tasks.

Answer: Software

64. When you connect to the ____________, your computer is communicating with a server at your Internet service

provider (ISP).

Answer: Internet

65. ____________ are computers that excel at executing many different computer programs at the same time.

Answer: Mainframes

66. ____________is the application of computer systems and techniques to gather legal evidence.

Answer: Computer forensics

67. ____________ is the science that attempts to create machines that will emulate the human thought process.

Answer: Artificial intelligence (AI)

68. Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs generally run ____________ as an

operating system.

Answer: Microsoft Windows

69. A process known as ____________ tracks trends and allows retailers to respond to consumer buying patterns.

Answer: data mining

70. Hard disk drives and CD drives are examples of ____________ devices.

Answer: storage

71. You would use ____________ software to create spreadsheets, type documents, and edit photos.

Answer: application

72. ____________ are computers that support hundreds or thousands of users simultaneously.

Answer: Mainframes

73. ____________ is the term given to the act of stealing someone’s identity and ruining their credit rating.

Answer: Identity theft

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74. Surgeons are using ____________ to guide robots to perform delicate surgery.

Answer: computers

75. Patient ____________ are life-sized mannequins that have a pulse and a heartbeat and respond to procedures just

like humans.

Answer: simulators

True and False

76. Currently, the performance of tasks by robots is based on preprogrammed algorithms.

Answer: True

77. Data can be a number, a word, a picture, or a sound.

Answer: True

78. Strictly defined, a computer is a data processing device.

Answer: True

79. The discrepancy between the “haves†and “have-nots†with regard to computer technology is commonly� �

referred to as the digital society.

Answer: False (digital divide)

80. One of the benefits of becoming computer fluent is being a savvy computer user and consumer and knowing how

to avoid viruses, the programs that posethreats to computer security.

Answer: True

81. Trend-spotting programs, developed for business, have been used to predict criminal activity.

Answer: True

82. Employers do not have the right to monitor e-mail and network traffic on employee systems used at work.

Answer: False

83. Clicking on an icon with the mouse is a form of giving an instruction to the computer.

Answer: True

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84. Output devices store instructions or data that the CPU processes.

Answer: False (memory)

85. The CPU and memory are located on a special circuit board in the system unit called the motherboard.

Answer: True

86. Nanostructures represent the smallest human-made structures that can be built.

Answer: True

87. The main difference between a supercomputer and a mainframe is that supercomputers are designed to execute

a few programs as quickly as possible,whereas mainframes are designed to handle many programs running at the

same time (but at a slower pace).

Answer: True

88. Being computer fluent means that you should be able to build a computer yourself.

Answer: False

89. Embedded computers are self-contained computer devices that have their own programming and do not receive

input.

Answer: True

90. A Web browser is a special device that is installed in your computer that allows it to communicate with other

devices on a network.

Answer: False (network adapter)

91. With a wireless network, it is easier to relocate devices.

Answer: True

92. The most common type of memory that the computer uses to process data is ROM.

Answer: False (RAM)

Matching:

93. Match the following terms with their approximate size:

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I. kilobyte A. one million bytes

II. byte B. eight bits

III. gigabyte C. one thousand bytes

IV. megabyte D. one billion bytes

V. terabyte E. one trillion bytes

Answer: C, B, D, A, E

94. Match the following terms with their meanings:

I. printer A. storage device

II. scanner B. output device

III. RAM C. input device

IV. CPU D. a type of memory

V. CD drive E. processor

Answer: B, C, D, E, A

95. Match the following terms with their meanings:

I. mainframe A. the most expensive computers that perform complex calculations extremely rapidly

II. supercomputer B. a computer that provides resources to other computers connected to a network

III. embedded computer C. a large, expensive computer that supports hundreds or thousands of users simultaneously

IV. PDA D. a self-contained computer device that usually performs preprogrammed functions such as temperature

control

V. server E. a small mobile computing device

Answer: C, A, D, E, B

96. Match the following terms with their meanings:

I. software A. transforming data into information

II. hardware B. data that has been organized or presented in a meaningful fashion

III. operating system C. any part of the computer that you can physically touch

IV. processing D. a set of computer programs that enables hardware to perform different tasks

V. information E. the most common type of system software, it controls the way in which the computer system

functions

Answer: D, C, E, A, B

97. Match the following terms with their meanings:

I. system software A. the set of programs that enables computer hardware devices and application software to work

together

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II. application software B. the kind of operating system software you will use depends on this

III. platform C. operating system software generally used on PCs

IV. Microsoft Windows D. a set of programs used to accomplish a specific task

V. Mac OS E. operating system software used on the Apple Macintosh

Answer: A, D, B, C, E

98. Match the following terms with their meanings:

I. data A. the main circuit board in the system unit

II. memory B. the representation of a fact or idea (unprocessed information)

III. output C. processed data or information

IV. storage D. holds instructions or data that the CPU processes

V. motherboard E. data or information that can be accessed again

Answer: B, D, C, E, A

99. Match the following terms with their meanings:

I. bit A. the science revolving around the use of nanostructures to build devices on an extremely small scale

II. binary language B. the case that contains the system components

III. instructions C. consists of 0s and 1s

IV. system unit D. short for binary digit

V. nanotechnology E. steps and tasks necessary to process data into usable information

Answer: D, C, E, B, A

100. Match the following fields to the related computer technology:

I. medicine A. Internet research and virtual tours

II. business B. data mining

III. law enforcement C. robotics and simulation

IV. education D. computer forensics

V. archeology E. digital recreations of ruins

Answer: C, B, D, A, E

REVISON NOTES ON IT QUESTIONS

Questions on Computer Awareness have recently been introduced in most Bank Recruitment exams. To help you prepare better for the Bank exams we present to you the revision notes on Computer Awareness.

Page 25: Computer Knowledge Sample Questions Test

The earlier computers, which were massive in size, were based on vacuum tubes.

Early computing machines, like the ENIAC, were actually meant to assist the armed forces.

The printers in pre-1950s were punch cards.

An improvement on the ENIAC, which pioneered ‘stored program’, was made possible with the help of the mathe-matician John von Neumann.

Before the 1950s, computers were mostly owned by universities and research labs.

The B-programming language was developed by Ken Thompson.

Famous people, associated with the ENIAC, EDVAC, UNIVAC computers are Eckert & Mauchly.

The 1st commercially produced and sold computer (1951) was UNIVAC.

IBM was provided software for PCs by Microsoft.

Time-sharing, teletyping, were associated with mainframe computers.

The transformation from heavy computers to PCs was made possible using microprocessors.

The first microprocessor was developed in 1971 by Intel.

The term ‘micro’ (extremely small) denotes 10–6 m.

The Harvard student, who chose to write computer programs and dropped studies was Bill Gates.

A pentium 4 (P-4) employs roughly 40 million transistors.

Mark-1, Apple-1, and collossus were initial desktop computers.

Binary digits are briefed as bit.

A collection of bits is called byte.

C++, is a computer language.

The process of eliminating pro-gramming faults is called debugging.

Starting up on operating system is called booting.

A program used to browse the web is called browser.

An error in software designing which can even cause a computer to crash is called bug.

Click and double-click are achieved using the mouse.

Java, C, ForTran, Pascal and BASIC are computer programming languages.

The device which sends computer data using a phone line is called MODEM.

‘Worm’ and ‘virus’ are actually programs.

A ‘file’ is a unit of information.

A megabyte has 106 (million) bytes.

A small, single-site network is called LAN.

A processor that collects several data and sends them over a single line is called bridge.

‘Nano’ stands for one billionth part.

The number of bit patterns using an n-bit code is 2n.

The part of a computer that works with the data/programs is called CPU.

To convert a binary number to a decimal, we have to express it in power of 2.

Page 26: Computer Knowledge Sample Questions Test

www stands for world wide web.

Mathematics employed in compu-ters is called Boolean algebra.

A collection of 8 bits is called byte.

The first home computer (1977), which was sold in millions of units was Apple II.

‘PARAM’ is a supercomputer.

A website containing periodic posts is called blog.

While cutting and pasting, the cut item is temporarily stored in the clipboard.

http stands for hypertext transfer protocol.

The unwanted or non-requested e-mails are called “spam”.

A computer framed to give various network services is called server.