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Q:

Ctrl, Shift and Alt are called .......... keys.

A) modifier B) function
C) alphanumeric D) adjustment

Answer:   A) modifier



Explanation:

Modifier keys include Alt, Ctrl, Shift and the Windows key.

Subject: Computer
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Related Questions
Q:

Transformation of input into output is performed by

A) CPU B) The input-output unit
C) Memory unit D) Peripherals
 
Answer & Explanation Answer: A) CPU

Explanation:

We know that, in computers transformation of input into output is performed by the ALU unit i.e, the Arithematic and Logical unit that performs all the logical and arithmatical operations in the CPU - Central Processing Unit.

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Q:

A spreadsheet contains

A) Rows B) Columns
C) Both A & B D) Tables
 
Answer & Explanation Answer: C) Both A & B

Explanation:

A_spreadsheet_contains1553603758.png image

 

A spreadsheet contains both rows and columns.

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2 229
Q:

Where does a computer add and compare data?

A) CPU chip B) Hard disk drive
C) Memeory chip D) Disc drive
 
Answer & Explanation Answer: A) CPU chip

Explanation:

Central Processing Unit is the main part of the computer.

 

where_does_a_computer_add_and_compare_data1553491569.jpg image

 

CPU chip or main processor is that part in the computer which performs or executes all the instructions or programs.

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Q:

A group of eight bits is called

A) buzz B) nibble
C) byte D) word
 
Answer & Explanation Answer: C) byte

Explanation:

A group of eight bits is called as a byte and that of 4 bits is called as a nibble.

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2 266
Q:

Which of the following is not a video file extension?

A) .flv B) .mov
C) .mp3 D) None of the above
 
Answer & Explanation Answer: C) .mp3

Explanation:

.mp3 is audio file extension.

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Q:

The primary tool used in structured design is a

A) module B) structure chart
C) program flowchart D) data-flow diagram
 
Answer & Explanation Answer: B) structure chart

Explanation:

The primary tool used in structured design is a structure chart.

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2 251
Q:

Which of the following is system software?

A) MS Paint B) MS Excel
C) MS Word D) MS Windows
 
Answer & Explanation Answer: D) MS Windows

Explanation:

We know that, the collection of programs which performs specific tasks in a computer is called as software. Software in a computer is of two types. They are :

 

1. Aplication Software

2. System Software

 

System software is a computer program that performs the basic functionaility of a computer i.e, running a systems hardware and applications like loading programs, saving data, displaying, etc...

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Q:

The physical components of a computer are referred to as

A) Processor B) Software
C) Hardware D) Input devices
 
Answer & Explanation Answer: C) Hardware

Explanation:

The physical components of a computer are referred to as Hardware of the computer. 

 

The hardware components of the computer includes :

  • Processor.
  • Main memory.
  • Secondary memory.
  • Input devices.
  • Output devices.
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