CS61-80

Computer Science Mock Test

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61. A part located in the central processing unit that stores data & information is known as
Core memory
PROM
EPROM
ROM

62. A software package to perform calculations on data arranged in an array is
System software
Utility programs
Electronic spread sheet
Application programs

63. A computer program consists of
System flowchart
Program flowchart
Algorithms written in computer's language
Discrete logical steps.

64. An input device which can read characters directly from an ordinary piece of paper is
OCR
OMR
MSI
POS

65. Which of the following is not a part of the CPU
storage unit
arithmetic and logic unit
program unit
control unit

66.A collection of eight bits is called
Byte
Word
Record
File

67. In MODEMS
Several digital signals are multiplexed
A digital signal changes some characteristic of a carrier wave
Digital signal is amplified
All of the above

68. Which is a secondary memory device?
CPU
ALU
Floppy Disk
Mouse

69. The binary equivalent of the Octal number 13.54 is
1011.1011
1101.1110
1001.1110
All of the above

70. What does that acronym VGA stand for?
Extended Graphics Adapter
Enhanced Graphics Array
Video Graphics Array
Color Graphics Array

71. The storage locations in the interal storage of a CPU are called
Contents
addresses
locations
mask

72. Which is used to provide the sight information to the right person at the right time for proper decision making?
DBMS
MIS
ISO
PSO

73. When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
01011
10001
10101
00101

74. Which of the following input/output devices is not associated with personal computers?
Mice
color monitors
punched cards
All of the above

75. The heart of any computer is the
CPU
Memory
I/O unit
Disks

76. Impact printers
strike a ribbon against the paper to produce character images
include ink-jet and thermal devices
are more expensive than Laser printers
use optical technology

77. In simplex transmission
Data format is simple
Data transmission is one way
Data can be transmitted to small distances only
All of the above

78. Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM
duplicates
clones
copies
look alikes

79. Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
printers
modems
other hardware
All of the above

80. In a computer system, which device is functionally opposite of a Key-board?
Mouse
Trackball
Printer
Joystick

This set of questions are contributed by Dr. AR Routray, Lecturer, Dept of APAB
and the page is developed by our student Mr. Neelamadhaba Panigrahi, 2nd semester ICT and Ex-student, Miss Priyadarsini Mishra
Thank U all!!!