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100 Computer Questions and Answers for Practice

2 years ago 11.1K Views
Q :  

What is the function of a MODEM? 

(A) Converts analog signals to digital and vice - versa

(B) Serves as a hardware anti - virus

(C) Encryption & Decryption

(D) Converts data to voice and vice - versa

Correct Answer : A

Q :  

What is the full form of OMR?

(A) On Money Reader

(B) Optical Mark Reader

(C) On Mark Reader

(D) None of these

Correct Answer : B

Q :  

Which of the following is 3rd layer of OSI Model? 

(A) Network layer

(B) Session layer

(C) Physical layer

(D) Application layer

Correct Answer : A

Q :  

Which command allows you to reduce fragments of file and optimize the performance of disk? 

(A) Chkdsk

(B) Diskcomp

(C) Scandisk

(D) Defrag

Correct Answer : D

Q :  

In which of these memory access schemes, separate Read / Write heads are required? 

(A) Sequential Access

(B) Direct Access

(C) Random Access

(D) None of these

Correct Answer : D

Q :  

_____are the fastest and the most expensive computers. 

(A) Super computers

(B) Laptop

(C) Micro computers

(D) Mini computers

Correct Answer : A

Q :  

CDMA stands for _____________.

(A) Central Development Mobile Association

(B) Code Division Mobile Access

(C) Code Division Multiple Access

(D) Centre of Development Multiple Access

Correct Answer : C

Q :  

In which is the clock speed of the computer calculated?

(A) Bit

(B) Megabyte

(C) Gigabyte

(D) None of these

Correct Answer : A

Q :  

Using what were the first computers programmed?

(A) Machine language

(B) Source card

(C) Object card

(D) Assemble language

Correct Answer : A

Q :  

When was the development of BASIC computer language?

(A) 1955

(B) 1968

(C) 1964

(D) 1975

Correct Answer : C

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