Computer Studies covers general knowledge of computers, computing terms, and technologies. It focuses on building interest and confidence in using computers.
-
Question 171:
Which of these storage devices can act as a buffer between the CPU and the main memory ?
Options:
A) Hard disk
B) Floppy disk
C) Cache Memory
D) Flash drive
Show Answer
The correct answer is C .
-
Question 172:
___________ is the combination of already processed _____________
Options:
A) information /data
B) data /information
C) information /instructions
D) instructions /Data
Show Answer
The correct answer is A .
-
Question 173:
Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1
Options:
A) A + B + C
B) A.B.C
C) A.B + C
D) A + C
Show Answer
The correct answer is D .
-
Question 174:
Which is not a network for distribution of information?
Options:
A) cloud storage
B) Several computers to one printer
C) Microsoft Word
D) E-mail
Show Answer
The correct answer is C .
-
Question 175:
The Caps key on a keyboard is used to___________
Options:
A) move to previous page
B) Delete files
C) Switch between upper and lower case letters
D) Space texts
Show Answer
The correct answer is C .
-
Question 176:
How many types of booting are there?
Options:
A) 5
B) 3
C) 2
D) 4
Show Answer
The correct answer is C .
-
Question 177:
Computers are used majorly at offices for ____________
Options:
A) Recreational purposes
B) Research purposes
C) Storage purpose
D) Security purposes
Show Answer
The correct answer is C .
-
Question 178:
Which of these commands will reboot the computer ?
Options:
A) Ctrl + Alt + Del
B) Ctrl + Del
C) Ctrl + Alt + C
D) Ctrl + Alt
Show Answer
The correct answer is A .
-
Question 179:
The first step in a CPU instruction cycle is
Options:
A) Decode
B) Get
C) Fetch
D) Execute
Show Answer
The correct answer is C .
-
Question 180:
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 .