Computer Awareness

From TSirJi

1. An electronic device that processes data and converts it into information.


2. Data or Input ? is processed into information by computer processor


3. The part of computer which coordinates all functions of computer and other component

Control Unit

4. What is called data in computer ?

Raw information or Information containing numbers and symbols

5. CPU stands for

Central Processing Unit

6. The part of the computer used for calculation and comparison

ALU (Arithmatic and Logical Unit)

7. ALU or Control Unit ? controls the movement of signals between CPU and I/O

Control Unit

8. Three main parts of the computer

ALU, Control Unit and Registers

9. The basic computer processing cycle consists of

Input, Processing and Output

10. ADC stands for

Analog Digital Converter

11. What is output ?

When the information leaves the system

12. Processing involves

Transforming input into output

13. Hard disk or CPU ? is required to process data into information and consists of integrated circuits


14. When computer manipulates data than this manipulation is called


15. AI stands for

Artificial Intelligence

16. Computer Data or Input ? is whatever typed, submitted or transmitted to the computer system


17. ALU or Control unit ? tells the rest of the computer how to carry out a program's instruction

Control Unit

18. The computer's processor consists of the following parts main memory and storage or CU and ALU ?

Main memory and storage

19. The CPU comprises of Control memory and ALU or ROM ? unit.

Arithmetic and Logical

20. Input or Output ? devices convert human understandable data and programs into a form of computer's


21. The octal equivalent of the Binary number (101001101) is....


22. PARAM was developed by

C-DAC pune

23. Which type of computer could be found in digital watch ?

a). Notebook computer b). Mainframe computer c). Embedded computer

Embedded Computer

24. The first computer was programmed using Machine Language or Assembly Language ?

Machine Language

25. ASCII stands for

American Standard Code for Information Interchange

26. Who designed the first electronic computer-ENIAC ?

Presper Eckert & John Mauchly

27. Any data and instruction entered in the memory of a computer is

a). Storage b). Information c). Input


28. Control or Function ? key is used in combination with another key to perform a specific task

Control key

29. CD-ROM, RAM, Registers, Cache, which of the following is the fastest ?

Registers (Registers >> Cache >> RAM >> CD-ROM)

30. BASIC stands for

Beginner's All-purpose Symbolic Instruction Code

31. Ctrl, Shift and ALT key are called as modifier or function ? keys


32. In MICR, C stands for

Character (Magnetic Ink Character Recognition)

33. Codes consisting of lines of varying widths or lengths that are computer readable are known as

A Bar Code

34. The primary output device for a computer is Video Monitor or Printer ?

Video Monitor

35. BIOS stands for

Basic Input Output System

36. Soft copy refers to
a). Printed Output b). Digitizing c). Screen Output

Screen Output

37. The key that must be pressed each time a new command or information is entered

Return / Enter

38. The most common storage device for the personal computer is Floppy Disk or Hard disk drive ?

Floppy Disk

39. The first computer mouse was developed by

Douglas Engelbart

40. CAD stands for

Computer Aided Design

41. Typical acronym of reusable optical storage will be
a). CD b). DVD c). CD-RW

CD-RW (Compact Disk - Read Write)

42. Data gathering in computer means, they allow to use Store or Input ? data


43. A permanent memory, which does not erase data after power off

ROM (Read Only Memory) means it's a non-volatile memory

44. Hard disk drives are considered
a). Flash storage b). Temporary storage c). Non-volatile storage

Non-volatile storage

45. COBOL stands for

Common Business Oriented Language

46. Built in memory of computer is
a). EROM b). ROM c). PROM


47. Which computer memory is used for storing programs and data currently being processed by CPU
a). PROM b). Internal Memory c). Non-volatile memory

Internal Memory

48. Data saved permanently in Memory or Storage ?


49. A disk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is
a). Read Only b). Write Only c). Memory Only

Read Only

50. CRT stands for

Cathode Ray Tube

51. CD-ROM or Floppy Disk ? uses laser technology to store large amount of information


52. RAM is Volatile and Temporary


53. Secondary storage
a). Doesn't require constant power b). Doesn't use magnetic media

Doesn't require constant power

54. The place where the computer stores programs and data is called Memory or Storage unit ?

Storage Unit

55. DCL stands for

Digital Command Language

56. CD-ROM or hard disk ? has read and write capabilities

Hard disk

57. Tracking or Formatting ? is the process of dividing the disk into tracks and sectors


58. ........ is the max. amount of data that can be stored on a storage medium.
a). Magnetic Storage b). Optical Storage c). Storage capacity

Storage Capacity

59. Which of the following can only have sequential access ?
a). Disk b). Tape c). CD-ROM


60. DFD stands for

Data flow diagram

61. A CD-RW disk

Can be erased and rewritten

62. A DVD is an example of optical disk or solid-state storage device ?

Optical Disk

63. Storage and memory differ with respect to which of the following characteristics
a). Price b). Reliability c). Speed d). All of these

All of these

64. Storage media such as a CD read and write information using .....
a). A laser beam of light b). Magnetic Dots c). Magnetic Strips

A laser beam of light

65. DNS stands for

Domain Name System

66. The software or Hardware or System unit ? is a box that houses the most important parts of a computer system.

System unit

67. The main system board of a computer is called the
a). Integrated chip b). Mother board c). Processor

Mother board

68. The ALU or co-processor or Motherboard ? controls communication for the entire computer system.


69. Sockets or Slots ? provide expansion capability for a computer system


70. UPS stands for

Uninterruptible Power Supply

71. The pictorial representation of a program or algorithm is called a

Flow Chart

72. Computer programs are written in a high-level programming language however the human readable version of a program is called

Source code

73. The operating system called Unix is typically used for web servers or supercomputers ?

Web Servers

74. BASIC and COBOL are examples of high-level or low-level ? languages

High-Level languages

75. DPI stands for

Dots Per Inch

76. A mistake in an algorithm that causes incorrect results is called a Logical or Syntax Error ?

Logical error

77. The time bit is short for
a). Mega Byte b). Binary language c). Binary digit

Binary Digit

78. 4-bits are known as

A Nibble

79. The largest unit of storage among MB, KB, TB, GB is

TB(Tera Byte)

80. DVD stands for

Digital Versatile Disc or Digital Video Disk