Computer Studies covers general knowledge of computers, computing terms, and technologies. It focuses on building interest and confidence in using computers.
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Question 111:
The only possible number base for 235 among the following is ?
Options:
A) 3
B) 5
C) 4
D) 6
Show Answer
The correct answer is D .
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Question 112:
A computer code that spreads without the user interaction and can cause network performance problem is
Options:
A) a trojan
B) a computer worm
C) a spyware
D) a computer virus
Show Answer
The correct answer is B .
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Question 113:
Which of the following is an example of output device
Options:
A) Keyboard
B) Mouse
C) speaker
D) microphone
Show Answer
The correct answer is C .
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Question 114:
A computer can't boot if it does not have ____________
Options:
A) compiler
B) Loader
C) OS
D) Assembler
Show Answer
The correct answer is C .
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Question 115:
What is the function of the escape key ?
Options:
A) to shutdown the computer
B) to start an application
C) to interrupt or cancel the current process or running program
D) to delete a file/folder
Show Answer
The correct answer is C .
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Question 116:
What tells the computer how to use its components?
Options:
A) utility
B) application
C) operating system
D) network
Show Answer
The correct answer is C .
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Question 117:
Another word for booting is
Options:
A) starting
B) restarting
C) loading
D) running
Show Answer
The correct answer is A .
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Question 118:
A logic circuit performs ________ functions
Options:
A) Interpretation
B) Processing and Controlling
C) Storage
D) Security
Show Answer
The correct answer is B .
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Question 119:
When does the output of a NAND gate =1?
Options:
A) whenever a 0 is present at an input
B) only when all input =0
C) whenever 1 is present at an input
D) only when all input =1
Show Answer
The correct answer is A .
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Question 120:
Total types of data that can be read by document reader are
Options:
A) marks
B) handwritten and printed characters
C) printed lines
D) all of the above
Show Answer
The correct answer is D .