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 51:
Which of the following is not a stage of system development cycle?
Options:
A) Design
B) Test running
C) Implementation
D) Observation
Show Answer
The correct answer is D .
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Question 52:
Encryption helps with what?
Options:
A) Spam messages
B) identify source of message
C) Safe delivery of messages to destination without being accessed by a third party
D) interpretation of message and digital data
Show Answer
The correct answer is C .
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Question 53:
Which of the following is used for modulation and demodulation ?
Options:
A) Gateway
B) Protocol
C) Modem
D) Multiplex
Show Answer
The correct answer is C .
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Question 54:
What is the function of firewall?
Options:
A) Service provider
B) Cyber security
C) Internet browser
D) Storage device
Show Answer
The correct answer is B .
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Question 55:
Which of the following is not a method of filing
Options:
A) Random
B) Sequential
C) Serial
D) Geographical
Show Answer
The correct answer is D .
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Question 56:
The set of rules that defines the combination of symbols that are considered to be correctly structured statements or expressions in that language is called _________
Options:
A) Syntax
B) Instruction
C) Program
D) Domain
Show Answer
The correct answer is A .
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Question 57:
Applications on a screen are displayed by __________
Options:
A) Cursor
B) icon
C) Home screen
D) App drawer
Show Answer
The correct answer is B .
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Question 58:
What does R stands for in the CRUD acronym ?
Options:
A) Retrieve
B) Redirect
C) Read
D) Relate
Show Answer
The correct answer is C .
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Question 59:
Which type of network can span several building, but is usually less than 30 square miles big?
Options:
A) CAN
B) LAN
C) MAN
D) WAN
Show Answer
The correct answer is C .
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Question 60:
Which of the following is not a type of computer on the basis of operation?
Options:
A) Remote
B) Hybrid
C) Analog
D) Digital
Show Answer
The correct answer is A .