Question # 1

An operating system performs:

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File-system management

Hardware management

User interface

All of the above

Insert command is used to insert

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A new table

A new record

A view

Dependencies

Now a days computers are being used in education for

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Computer aided education

Tutorials and drill & practice

Testing understanding of students

All of the above

In new column description field is

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Optional

Must

Temporary

Permanent

A relational database system is a system in which

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The user views all the data as being stored in the form of tables

The operations are operate on tables only

The operations are produced as their output data in form of tables

All of the above

C language has been developed by

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Ken Thompson

Dennis Ritchine

Peter Norton

Martin Richards

A system in which data can be received and sent simultaneously is called

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Simplex

Half duplex

Full-duplex

Multi-duplex

MS-Word and MS-Excel are:

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Operating systems

Application software

High level languages

Low level languages

The step that performs the actions given in the instructions is called

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Fetch

Calculate

Decode

Execute

If scanf function (&) represented as

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Relational operator

Logical operator

Address operator

Precedence operator

The unit that executes program instructions is called

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RAM

ROM

Control camera

Central processing unit

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NAT I Computer Science Computer MCQs With Answers

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