Computer Fundamental MCQ part 3 || 51-75 important Questions answer

Computer fundamental MCQ part 3
Computer fundamental MCQ part 3 with qustion and answer . This article contains the 25 questions for praticing loksewa computer operator exam. Answer are given at the end of the page

51. Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator

52. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above

53. Instructions and memory address are represented by
A) Character code
B) Binary codes
C) Binary word
D) Parity bit

54. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
A) Data collection terminal
B) OCR register terminal
C) Video Display terminal
D) POS terminal

55. A set of flip flops integrated together is called ____
A) Counter
B) Adder
C) Register
D) None of the above

56. People often call ______ as the brain of computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit

57. Which is used for manufacturing chips?
A) Bus
B) Control unit
C) Semiconductors
D) A and b only

58. The value of each bead in heaven is
A) 1
B) 3
C) 5
D) 7

59. The first computer introduced in Nepal was
A) IBM 1400
B) IBM 1401
C) IBM 1402
D) IBM1402

60. Mnemonic a memory trick is used in which of the following language?
A) Machine language
B) Assembly language
C) High level language
D) None of above

61. Instruction in computer languages consists of
A) OPCODE
B) OPERAND
C) Both of above
D) None of above

62. Which generation of computer is still under development
A) Fourth Generation
B) Fifth Generation
C) Sixth Generation
D) Seventh Generation

63. A register organized to allow to move left or right operations is called a ____
A) Counter
B) Loader
C) Adder
D) Shift register

64. Which was the most popular first generation computer?
A) IBM 1650
B) IBM 360
C) IBM 1130
D) IBM 2700

65. Which is considered a direct entry input device?
A) Optical scanner
B) Mouse and digitizer
C) Light pen
D) All of the above

66. A set of information that defines the status of resources allocated to a process is
A) Process control
B) ALU
C) Register Unit
D) Process description

67. Each set of Napier’s bones consisted of ______ rods.
A) 5
B) 9
C) 11
D) 13

68. BCD is
A) Binary Coded Decimal
B) Bit Coded Decimal
C) Binary Coded Digit
D) Bit Coded Digit

69. When was the world’s first laptop computer introduced in the market and by whom?
A) Hewlett-Packard, 1980
B) Epson, 1981
C) Laplink Traveling Software Inc, 1982
D) Tandy Model-200, 1985

70. From which generation operating systems were developed?
A) First
B) Second
C) Third
D) Fourth

71. The first firm to mass-market a microcomputer as a personal computer was
A) IBM
B) Super UNIVAC
C) Radio Shaks
D) Data General Corporation

72. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
A) 10
B) 11
C) 8
D) 12

73. Properly arranged data is called
A) Field
B) Words
C) Information
D) File

74. A computer consists of
A) A central processing unit
B) A memory
C) Input and output unit
D) All of the above

75. Why are vacuum tubes also called valves?
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above

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Answers

51-D52-B53-B54-D55-C56-C57-C58-C59-B60-B
61-C62-B63-D64-A65-D66-D67-C68-A69-B70-C
71-C72-B73-C74-D75-B

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