Computer and IT MCQs:

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"Happiness is not something ready made. It comes from your own actions."

― Mark Twain

Science-Computer and IT-Multiple Choise Questions & Answers

প্রতিটি প্রশ্নের জন্য চারটি করে উত্তর থাকবে যার একটি সঠিক, বামদিকে A, B, C এবং D এর উপর ক্লিক করে সঠিক উত্তরটি দেখতে পারেন। যদি উত্তর সঠিক হয় তবে অপশনটির ডান দিকে টিক () আর উত্তর ভূল হলে ক্রস () চিনহ প্রদ্ররশিত হবে।

#: 1. Which of the following is the brain of any computer?

A.

Arithmetic Logic Unit

B.

Central Processing Unit

C.

Control Unit

D.

Memory

#: 2. A firewall is a/an/ ___________.

A.

software that may help to read web page.

B.

controling system of a computer nettwork.

C.

operating system of a computer network.

D.

network security system designed to block unauthorized access.

#: 3. Which of the following is not an application software?

A.

Microsoft Word

B.

Skype

C.

Windows XP

D.

Adobe Phtoshop

#: 4. 1 nanosecond is equal to ____________.

A.

0.01 second

B.

0.001 second

C.

0.000001 second

D.

0.000000001 secound

#: 5. Which program of a computer converts assembly language to machine language?

A.

Comparator

B.

Compiler

C.

Assembler

D.

Interpreter

#: 6. What does DNS stand for?

A.

Domin Name Supplier

B.

Domin Name System

C.

Digital Network System

D.

Digital network Sarver

#: 7. What is the binary value of '7'

A.

1010

B.

1000

C.

101

D.

111

#: 8. Which is the part of a computer that one can touch and feel?

A.

Hardware

B.

Software

C.

System

D.

Output

#: 9. Which kind of device a keyboard is?

A.

Input device

B.

Output device

C.

Word processing divce

D.

networking device

#: 10. Which of the following is commonly used on the hard disc drives (HDD)

A.

Compact storage

B.

Electronics stroage

C.

Magnetic storage

D.

Grid energy storage

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