Question # 1

The keyboard shortcut used to undo the last action is

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CTRL + Y

CTRL + Z

CTRL + V

CTRL +X

Mobile-SIM is an example of ---------card.

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Smart

Credit

Bank

Debit

The logical not operator denoted by ! is a

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Ternary operator

Uniary Operator

Binary Operator

Bitwise operator

Database development process involves mapping of conceptual data model into:

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Object oriented data model

Network data model

Implementation model

Hierarchical data model

Function prototypes for built-in function are specified in

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Source files

Header files

Object files

Image files

Conditional operators are

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Unary operator

Binary operator

Ternary operator

None

Which of the following function keys is used to choose the save as command?

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F2

F4

F10

F12

Which of the following data type offers the highest precision?

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Float

Long int

Long double

Unsigned long int

This is not a computer virus

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Norton

Chernobyl

Redlof

All are computer virus

In ERD model the relationship between two entities is represented by a

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Diamond symbol

Rectangular box

Oval symbol

Line

Candidate key is also called

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Non key

Combined key

Alternative key

Foreign key

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NAT I Computer Science Computer MCQs With Answers

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