MCQ - Introduction to Computer

A. Multiple Choice Questions

1. The basic functions of a computer system is to accept the input, process the input, output and to:

(a) Digital form

(b) Memory

(c) Store data

(d) Compute data

2.__________is a command given to a computer in mputer language by the user. the

(a) Instruction

(b) Information

(c) Program

(d) Data

3. What do you mean by Jacquard Loom?

(a) A bird found in Japan

(b) A weaving machine used to punched cards

(c) The first computer controlled loom

(d) A machine which writes match tables

4. What of the following is known as father of computer?

(a) Dennis Ritchie

(b) Napier

c) Charles Babbage

d) Alan Turing

5. The first computer used to store programs:

(a) EDSAC

(b) ENIAC

(c) UNIVAC

(d) EDVAC

6. Which generation of computer is covered by the

period 1964-71?

(a) First

(b) Second

c) Third

(d) Fourth

7. In third generation.____________ were used.

(a) Vacuum tubes

(b) Integrated circuits

(c) Transistors

(d) Large scale integrated circuits

8. Speed of third generation computers was measured in:

(a) Millisecond

(b) Microsecond

c) Nanosecond

(d) Picosecond

9. PCs are considered fourth generation and contain:

(a) Information

(b) Data

(c) Vacuum tubes

(d) Microprocessors

10. Artificial intelligence is an example of:

(a) First generation computer

(b) Second generation computer

(c) Fourth generation computer

(d) fifth generation computer

11. Benefits of computer are:

(a) Very fast and can store huge amount of data

(b) Provide accurate output either input is correct or not

(c) Think about the processing

(d) All of the above

12. Computer cannot perform:

(a) Input

(b) Output

(c) Thinking

(d) Processing

13. Laptops are:

(a) Computers used in clinical laboratories

(b) Portable, light weight and can be fit into briefcase

(c) Hearing voice recognition system

(d) Desktop

14. A....... is a large and expensive computer capable of performing scientific and business applications.

(a) Super computer

(b) Mainframe computer

(c) Mini computer

(d) Handheld computer

15. Analog computer works on the supply of

(a) Continuous electrical pulses

(b) Electrical pulses but no continue

(c) Magnetic strength

(d) Physical strength

16. Seismograph is an example of:

(a) Analog computer

(b) Digital computer

(e) Hybrid computer

(d) All of the above

17. The presence of computers can be seen in:

(a) Education

(b) Banking

(c) Multimedia

(d) All of the above

18. Pointing devices includes the following except:

(b) Touch screen

(a) Mouse

(c) Trackball

(d) Keyboard

19. A joystick is primarily used to:

(a) Control sound on the screen

(b) Computer gaming

(c) Enter text

(d) Draw pictures

20. A device, which is used for making drawings graphics and for menu selection.

(a) Keyboard

(b) Mouse

(c) Touch screen

(d) Light pen

21. A device that makes copies and reproduces text and images is called:

(a) CPU

(c) Printer

(b) Memory

d) Scanner

22. In MICR, C stands for:

(a) Code

(b) Colour

(c) Computer

(d) Character

23. A barcode reader is an example of:

(a) Processing device

(b) Storage device

(c) Input device

(d) Output

24. What type of device is a digital camera?

(a) Input

(c) Software.

(b) Output

(d) Storage

25. What is the function of an output device?

(a) To send data to the computer

(b) To store data

(c) To give output to the user

(d) To do mathematical calculations

26. The output devices make it possible to:

(a) view or print data

(b) store data

(c) scan data

(d) None of these

27. Which type of printer cannot produce high quality print graphic?

(a) Daisy wheel printer

(b) Laser printer

(c) Line printer

(d) Chain printer

28. Which of the following produces high quality output?

(a) Impact printer

(b) Non-impact printer

(c) Plotter

(d) Both 'a' and 'b'

29. Resolution of laser printer is specified in terms of

(a) DPI

(b) LPM

(c) CPM

(d) PPM

30. Which of the following is an output device?

(a) Keyboard

(b) Biometric Sensor

(c) Trackball

(d) Plotter

31. Which of the following is a part of CPU?

(a) ALU

(b) Control unit

(c) Disk drive

d) Both a and b

32. Arithmetic operations in ALU performs:

(a) Addition

(b) Subtraction

(c) Multiplication

(d) All of these

33. Arithmetic logic unit and control unit sections have

special purpose location called:

(a) Registers

(b) RAM

(c) BIOS

(d) I/O

34 Which of the following is the magnetic storage devices?

(a) Hard disk

(b) Compact disc

(c) Audio tapes

(d) All of the above

35. Which of the following storage media provides and sequential access only?

(a) Floppy disk

(b) Magnetic disk

(c) Magnetic tape

(d) Optical disk

36. Which one is secondary storage device?

(a) CD-ROM

(b) RAM

(c) Both 'a' and 'b'

(d) None of these

37. _____is the smallest memory measurement unit,

(a) Bit

(b) Nibble

(c) Byte

(d) Mega

38. 1 megabyte is equal to:

(a) 1000 KB

(b) 1026 kb

(c) 1024 KB

(d) 1000 kb

39. What is the name given to input-output devices and external storage media together?

(a) Hardware

(b) Peripherals

(c) Software

(d) Control unit

40. The part of software are:

(a) Word processing and spreadsheet

(b) Transaction and application

(c) Windows and Mac OS

(d) System and application

41. Which of the following is not a system software?

(a) Operating system

(b) Compiler

(d) MS-Office

(c) Interface

42. Operating system is a:

(a) Application software

(b) System software

(c) Hardware

(d) Language

43. Translator program used in assembly language is called:

(a) Compiler

(b) Interpreter

(c) Assembler

(d) Translator

44. “Which type of software is designed to perform specific, personal, business or scientific processing tasks"

(a) System

(b) GUI

(c) Application

(d) Compiler

45. It is a set of instructions or programs designed for specific use or application that enable the user to interact with a computer:

(a) Application software

(b) Operating system

(c) Instructions

(d) System unit

46. Utility programs include:

(a) Virus scanning software

(b) Backup software

(c) Disk Defragmenter

(d) All of the above

47. Which language is directly understood by the computer without translation program?

(a) Basic language

(b) Assembly language

(c) High level language

(d) Machine language

48. There are ......... types of number system.

(a) One

(c) Three

(b) Two

(d) Four

49. The number system based on '0' and '1' only, is known as:

(a) binary system

(b) barter system

(c) number system

(d) hexadecimal system

50. To perform calculation on stored data, computer uses ...........number system.

(a) Decimal

(b) Hexadecimal

(c) Octal

(d) Binary

B. State whether the following statements are True or False

51. Napier's Bones is also known as first mechanical calculating device False

52. Pascaline is also known as first electronic digital Computer False

53 The first generation computers could not do multitasking. True

54 NCR 304, IBM-1401 are the examples of second generation computer True

55 The main characteristics of fourth generation was vacuum tubes False

56. A scanner, trackball and joystick are the examples of output devices False

57. OCR is a device that scans written or typed text and transforms it into computer readable form. True

58. A mic converts the received sound into computer format True

59. Output devices store instructions or data which the CPU process. False

60. The numbr of pixels displayed on a screen is known as resolution. True

61. In a CRT, an electron gun is used, which fires electrons at groups of phosphor dots. True

62. When a computer prints a report, this output is called hard copy True

63. A plotter is used to generate the map of building and shopping malls. True

64. Antivirus software is used to allocate the memory to the data. False

65. The character data type is used to store the alphanumeric character. True

66. Information is carried in data communication thousands of kilometres. True

67. Smart Watch 360, google glass and drone camera and the example of latest IT Gadgets. True

68. We can navigate all pages in Print Preview. True

69. ALU is used to store data. False

70. we can access data randomly which is stored on magnetic tape. True

71 Hard disk can have more than two heads. True

72. Several windows can be opened at one time. True

73. A cookie can execute code on your computer. False

74. Before a disk can be used to store data, it must be formatted. True

75. A system can have more than one web browser installed at the same time. True

76. ALU contains CPU, memory boards, device boards. power plugs, etc. False

77. Primary memory has higher storage capacity than secondary memory." False

78. ALU is a part of CPU. True

79. An application receiving data is called client Application. True

80. If a memory chip can store 100 KB. it can hold approximately 100,000 bytes True

81. The decimal equivalent of 1101011), is 107 82. VDUs can be used both as an input and output devices. True

83 RAM memory is an non volatile memory False

84 The text editor is used to create, modify and store text file. True

85 1 Kbit is 1024 bytes. True

86. In a single bit you can represent any two distinct items. False

87 To improve efficiency, servers normally store requested files in a cache memory. True

88. System bus is used to connect CPU to a central switch. True

89. A mouse comes with three buttons. True

90. Using mobile application, developing countries are upgrading themselves, thereby making a new type of IT infrastructure. True

91. Users have to pay to the software company if they want to use the software. True

92. You cannot modify the software which is open source software. False

93. Transistors are smaller than vacuum tubes. True

94. Access to data stored on magnetic tape is randon. False

95. Computer software is normally classified as system software and application software. True

96 The group of 8 bits is used to represent a byte. True

97. A SC card is an output device. True

98. Computer can be used for education. True

99. Set of instructions given to computers is called a program. True

100. Output devices store instructions or data the CPU process. False