Computer

 Rainbow 🌈 Mental Exercise, daily activity 

1.What is the full form of "CPU? 

 A) common practical unit
 B) centralized processing unit
 C) central processing unit
 D) common practical unit

ANSWER= (C) Central Processing Unit
Explain: Full form of "CPU is  Central Processing Unit.

 

2. What is the full form of CD - ROM ?

 A) Compact Data - ROM 
 B) computerized Data- ROM
 C) Compact Disc Read only memory 
 D) Compact Data -ROM 

ANSWER= (C) Compact Disc Read Only Memory  
Explain:-Full form of CD - ROM is Compact Disc Read Only Memory

 

3.What is the full form of DOS?

 A) Disk Operating System 
 B) Data on Service 
 C) Data of System 
 D) Department of service 

ANSWER= (A) Disk Operating System 
Explain: Full form of DOS is Disk Operating System 

 

4.what is the full form of LCD ?

 A) Liquid Crystal Display 
 B) Liquid Clear Display 
 C) Live and Current Display 
 D) Language Development Code

ANSWER= (A) Liquid Crystal Display 
Explain:- Full form of LCD is Liquid Crystal Display 

 

5.What is the full form of LAN ?

 A) Linear Architectural Network 
 B) Local Access Network 
 C) Latency Adopting Network 
 D) Local Area Network 

ANSWER= (D) Local Area Network 
Explain:- Full form of LAN is Local Area Network 
 

6.Name device used to measure time

 A) stop watch 
 B) stop clock 
 C) wrist watch
 D) all of above

ANSWER= (C) all of above
Explain:-Stop watch , stop clock and wrist watch all are used to measure time.
 

 7.What is the full form of ALU ?

 A)  Arithmetic Logic Unit
 B) Arithmetical Local unit
 C) All Logic Unit
 D) None of above

ANSWER= (A) Arithmetic Logic Unit 
Explain:- Full form of ALU is Arithmetic Logic Unit .