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Thursday, October 13, 2016

COMPUTER FUNDAMENTALS MCQ SET-4

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
76. John Napier invented Logarithm in
A) 1614
B) 1617
C) 1620
D) None of above
77. An integrated circuit is
A) A complicated circuit
B) An integrating device
C) Much costlier than a single transistor
D) Fabricated on a tiny silicon chip
78. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A) Bus control
B) Interrupts
C) Bus arbitration
D) Status
79. Where as a computer mouse moves over the table surface, the trackball is
A) Stationary
B) Difficult to move
C) Dragged
D) Moved in small steps

80. Which of the following is used as a primary storage device?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above