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 191:
One of the following is not a good way to prevent virus.
Options:
A) encryption
B) use of firewall
C) carelessly exposing your vital and personal information
D) use of antivirus software
Show Answer
The correct answer is C .
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Question 192:
The actual physical network of wires, cables and satellite that connects computers and resources throughout the world is the _______________
Options:
A) Web
B) Internet
C) e-commerce
D) social media
Show Answer
The correct answer is B .
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Question 193:
The rules that govern the structure of a command or programming language is called
Options:
A) Syntax
B) Algorithm
C) Logic
D) Password
Show Answer
The correct answer is A .
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Question 194:
The super computers are mainly used for
Options:
A) Data retrieval operations
B) Input-output intensive processing
C) Manipulation of records
D) Mathematical intensive scientific applications
Show Answer
The correct answer is D .
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Question 195:
If the control unit controls other units of the CPU, which unit stores instructions,data and intermediate results.
Options:
A) Memory unit
B) Arithmetic section
C) Control unit
D) Logic section
Show Answer
The correct answer is A .
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Question 196:
What protocol is used between Email servers?
Options:
A) SMTP
B) SNMP
C) FTP
D) POP
Show Answer
The correct answer is A .
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Question 197:
Which of the memories must be refreshed many times per second?
Options:
A) EPROM
B) ROM
C) Static RAM
D) Dynamic RAM
Show Answer
The correct answer is D .
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Question 198:
What is the difference between internal and external modem
Options:
A) external modems are PCI or ISA expansion cards while internal modems are traditionally plug into a serial port on the computer.
B) internal modems are PCI or ISA expansion cards while external modems are traditionally plug into a serial port on the computer.
C) external modems are PCI or ISA expansion cards while internal modems are USB modems
D) they are PCI or ISA expansion cards
Show Answer
The correct answer is B .
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Question 199:
What is the shortcut key to "undo" last action on a Microsoft word page?
Options:
A) Ctrl + A
B) Ctrl + U
C) Ctrl + X
D) Ctrl + Z
Show Answer
The correct answer is D .
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Question 200:
What is the major purpose of application software?
Options:
A) oversee the running of the computer
B) utilities
C) database management
D) recreation
Show Answer
The correct answer is B .