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NAT I Computer Science Computer MCQs With Answers

Question # 1

Indexes on fields of the table are used

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To speed up the sorting process

To speed up the searching process

To speed down the sorting and searching process

Both a and b

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Question # 2

Object-oriented is a

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Broad category of relation database model

Latest research on the relational database model

Principles of the relational database model

None of the above

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Question # 3

To open help window you will:

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Select help from start menu

Press F1 key anywhere on the Desktop

A or B

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Question # 4

What mechanism is used to execute a set of operations repeatedly?

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Goto statement

Switch statement

Loops

Functions

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Question # 5

Which of the following keys does not hold uniqueness property?

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Candidate key

Foreign key

Primary key

Secondary key

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Question # 6

The data in table is entered in

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Design view

normal view

Datasheet view

Layout view

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Question # 7

Variables are created in

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RAM

ROM

Hard disk

Cache

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Question # 8

23 is an integer and would occupy two bytes whereas 23L is a integer and would occupy

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Two bytes

Three bytes

Four bytes

Six bytes

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Question # 9

As compared to a command line operating system a GUI operating system is:

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More efficient

Easier to use

More reliable

All of the above

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Question # 10

When you copy a block of text in a word document it is temporarily stored in the:

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Buffer

Clipboard

Cache

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Question # 11

When queries are made over multiple tables the related tables will be

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Broken down automatically

Broken down manually

Joined automatically

Joined manually

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