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 41:
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 42:
In which situation does running application remain active?
Options:
A) when log off
B) when user is switched
C) when shut down
D) when reboot
Show Answer
The correct answer is B .
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Question 43:
The arrow displayed on the screen of a computer is called
Options:
A) Pointer
B) Arrow
C) Cursor
D) Indicator
Show Answer
The correct answer is C .
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Question 44:
What is considered the brain of the computer?
Options:
A) Central Processing Unit
B) Monitor/Display Screen
C) Mouse
D) Printer
Show Answer
The correct answer is A .
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Question 45:
The type of database in which the data are connected in different files by using common data elements or a key field is ?
Options:
A) Relational database
B) Network database
C) Hierarchical database
D) Object-oriented database
Show Answer
The correct answer is A .
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Question 46:
The java interpreter translates a java program from ____________ to machine language.
Options:
A) nibble
B) bit
C) byte code
D) high level language
Show Answer
The correct answer is C .
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Question 47:
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 48:
A type of application software that combines the abilities of several general purpose applications in one program is ?
Options:
A) Graphics Packages
B) Integrated Packages
C) Multipurpose application
D) Database management packages
Show Answer
The correct answer is B .
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Question 49:
What type of booting does the computer go through when starting up from a powered down ?
Options:
A) Cold booting
B) Soft booting
C) Warm booting
D) Rebooting
Show Answer
The correct answer is A .
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Question 50:
Sensitive data can be protected from prying eyes using _________
Options:
A) File permissions
B) File locks
C) passwords
D) encryption
Show Answer
The correct answer is A .