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This section includes 192 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
51. |
Who designed the first electronics computer – ENIAC? |
A. | van-neumann |
B. | joseph m. jacquard |
C. | j. presper eckert and john w mauchly |
D. | all of above |
Answer» D. all of above | |
52. |
Which of the following is also known as brain of computer |
A. | control unit |
B. | central processing unit |
C. | arithmetic and language unit |
D. | monitor |
Answer» C. arithmetic and language unit | |
53. |
Which of the following are the functions of a operating system |
A. | allocates resources |
B. | monitors activities |
C. | manages disks and files |
D. | all of the above |
Answer» E. | |
54. |
When creating a computer program, the ......... designs the structure of the program |
A. | end user |
B. | system analyst |
C. | programmer |
D. | all of the above |
Answer» C. programmer | |
55. |
Coded entries which are used to gain access to a computer system are called |
A. | entry codes |
B. | passwords |
C. | security commands |
D. | code words |
Answer» C. security commands | |
56. |
Which of the following is NOT one of the four major data processing functions of acomputer? |
A. | gathering data |
B. | processing data into information |
C. | analyzing the data or information |
D. | storing the data or information |
Answer» D. storing the data or information | |
57. |
In analogue computer |
A. | input is first converted to digital form |
B. | input is never converted to digital form |
C. | output is displayed in digital form |
D. | all of above |
Answer» C. output is displayed in digital form | |
58. |
All of the following are examples of storage devices EXCEPT : |
A. | hard disk drives |
B. | printers |
C. | floppy disk drives |
D. | cd drives |
Answer» C. floppy disk drives | |
59. |
Which of the following is a type of network |
A. | ring |
B. | bus |
C. | star |
D. | pan |
Answer» E. | |
60. |
A state. is a bi-stable electronic circuit that has |
A. | multivibrator |
B. | flip-flop |
C. | logic gates |
D. | laten |
Answer» C. logic gates | |
61. |
. Which of the following is not a storage medium? |
A. | hard disk |
B. | flash drive |
C. | dvd |
D. | scanner |
Answer» E. | |
62. |
............. Is the functional key to display save-as box. |
A. | f5 |
B. | f6 |
C. | f9 |
D. | f12 |
Answer» E. | |
63. |
A computer program that translates one program instructions at a time into machine languageis called a/an |
A. | interpreter |
B. | cpu |
C. | compiler |
D. | simulator |
Answer» B. cpu | |
64. |
........... is the key to close a selected drop -down list; cancel a command and close adialog box. |
A. | tab |
B. | shift |
C. | esc |
D. | f10 |
Answer» D. f10 | |
65. |
------ is the measurement of things such as fingerprints and retinal scans used forsecurity access. |
A. | biometrics |
B. | bio measurement |
C. | computer security |
D. | smart weapon machinery |
Answer» B. bio measurement | |
66. |
The term ............. designates equipment that might be added to a computer system toenhance its functionality. |
A. | digital device |
B. | system add-on |
C. | disk pack |
D. | peripheral device |
Answer» E. | |
67. |
A fault in a computer program which prevents it from working correctly is known as |
A. | boot |
B. | bug |
C. | biff |
D. | strap |
Answer» C. biff | |
68. |
Touch Screen is............ |
A. | input device |
B. | output device |
C. | both a & b above |
D. | none of these |
Answer» D. none of these | |
69. |
What type of resource is most likely to be a shared common resource in a computerNetwork? |
A. | printers |
B. | speakers |
C. | floppy disk drives |
D. | keyboards |
Answer» B. speakers | |
70. |
Computers manipulate data in many ways, and this manipulation is called...... |
A. | upgrading |
B. | processing |
C. | batching |
D. | utilizing |
Answer» C. batching | |
71. |
A device, which is not connected to CPU, is called as ....... |
A. | land-line device |
B. | on-line device |
C. | off-line device |
D. | device |
Answer» D. device | |
72. |
.............printer is the cheapest in terms of price and operating cost |
A. | inkjet |
B. | laser |
C. | thermal |
D. | dot matrix |
Answer» E. | |
73. |
The task of performing operations like arithmetic and logical operations is called...... |
A. | processing |
B. | storing |
C. | editing |
D. | sorting |
Answer» B. storing | |
74. |
............. provides process and memory management services that allow two or moretasks, jobs, or programs to run simultaneously |
A. | multitasking |
B. | multithreading |
C. | multiprocessing |
D. | multicomputing |
Answer» B. multithreading | |
75. |
Examples of output devices are |
A. | screen |
B. | printer |
C. | speaker |
D. | all of these |
Answer» E. | |
76. |
The amount of vertical space between lines of text in a document is called |
A. | double-space |
B. | line spacing |
C. | single space |
D. | vertical spacing |
Answer» C. single space | |
77. |
. Help Menu is available at which button? |
A. | end |
B. | start |
C. | turnoff |
D. | restart |
Answer» C. turnoff | |
78. |
A ............ is a microprocessor -based computing device. |
A. | personal computer |
B. | mainframe |
C. | workstation |
D. | server |
Answer» B. mainframe | |
79. |
A computer cannot 'boot' if it does not have the |
A. | compiler |
B. | loader |
C. | operating system |
D. | assembler |
Answer» D. assembler | |
80. |
Which of the following contains permanent data and gets updated during theprocessing of transactions? |
A. | operating system file |
B. | transaction file |
C. | software file |
D. | master file |
Answer» E. | |
81. |
Codes consisting of lines of varying widths or lengths that are computer-readable areknown as- |
A. | an ascii code |
B. | a magnetic tape |
C. | an ocr scanner |
D. | a bar code |
Answer» E. | |
82. |
Switching device of fifth generation computer is-------- |
A. | vacuum tubes |
B. | transistors |
C. | ic |
D. | vlsi |
Answer» E. | |
83. |
COBOL is widely used in application s |
A. | commercial |
B. | scientific |
C. | space |
D. | mathematical |
Answer» B. scientific | |
84. |
........... computer are of large size |
A. | micro |
B. | mainframe |
C. | super |
D. | mini |
Answer» C. super | |
85. |
............. is the ability of a device to "jump" directly to the requested data |
A. | sequential access |
B. | random access |
C. | quick access |
D. | all of the above |
Answer» C. quick access | |
86. |
An area of a computer that temporarily holds data waiting to be processed is.......... |
A. | cpu |
B. | memory |
C. | storage |
D. | file |
Answer» C. storage | |
87. |
Cathode Ray Tube is a form of....... |
A. | keyboard |
B. | mouse |
C. | monitor |
D. | mother board |
Answer» D. mother board | |
88. |
What is the name of the display feature that highlights are of the screen which requiresoperator attention? |
A. | pixel |
B. | reverse video |
C. | touch screen |
D. | cursor |
Answer» C. touch screen | |
89. |
What type of computers are client computers (most of the time) in a client-server system? |
A. | mainframe |
B. | mini-computer |
C. | microcomputer |
D. | pda |
Answer» D. pda | |
90. |
VDU is also called |
A. | screen |
B. | monitor |
C. | both 1 & 2 |
D. | printer |
Answer» D. printer | |
91. |
Which of the following controls the process of interaction between the user and the operatingsystem? |
A. | user interface |
B. | language translator |
C. | platform |
D. | screen saver |
Answer» B. language translator | |
92. |
A self replicating program, similar to a virus which was taken from a 1970s science fictionnovel by John Bruner entitled the Shockwave Rider is |
A. | bug |
B. | vice |
C. | lice |
D. | worm |
Answer» E. | |
93. |
ASCII is a coding system that provides |
A. | 256 different characters |
B. | 512 different characters |
C. | 1024 different characters |
D. | 128 different characters |
Answer» D. 128 different characters | |
94. |
The ......... is the amount of data that a storage device can move from the storagemedium to the Computer per second |
A. | data migration rate |
B. | data digitizing rate |
C. | data transfer rate |
D. | data access rate |
Answer» D. data access rate | |
95. |
....are specific to users’ needs |
A. | system software |
B. | application software |
C. | assemblers |
D. | compilers |
Answer» C. assemblers | |
96. |
Collecting personal information and effectively posing as another individual is knownas the crime of: |
A. | spooling. |
B. | identity theft. |
C. | spoofing. |
D. | hacking. |
Answer» C. spoofing. | |
97. |
VOIP stands for.......... |
A. | voice over ip |
B. | video over ip |
C. | viruses over ip |
D. | virtual over ip |
Answer» B. video over ip | |
98. |
............ Store data or information temporarily and pass it on as directed by the controlunit |
A. | address |
B. | register |
C. | number |
D. | memory |
Answer» C. number | |
99. |
............... is the science that attempts to produce machines that display the same type ofintelligence that humans do |
A. | nanoscience |
B. | nanotechnology |
C. | simulation |
D. | artificial intelligence (al) |
Answer» E. | |
100. |
............ translates and executes program at run time line by line |
A. | compiler |
B. | interpreter |
C. | linker |
D. | loader |
Answer» C. linker | |