Question # 1

An external variable is variable can be referenced in a declaration

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In main () only

In the first function that uses it

In any function that uses it

Outside of any function

The maximum value that an integer constant can have is

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-32767

32767

1.7014e38

-1.7014e38

Which of the following type of file requires largest processing time?

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Sequential file

Random file

Indexed sequential file

Direct access file

This key on the keyboard is used to delete a character to the right of the cursor:

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TAB

DEL

BACKSPACE

Either b or c

All of the following are true of the simplex mode except

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A sender can only send signals

It is the most commonly used communication mode

Receiver can only receiver signals

An input device that has a ball on its bottom that is rolled on a flat surface is called

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Trackball

Mouse

Touch pad

Digitizing/graphic table

In a table cursor is moved to next field by

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Single click

Double click

Esc key

Enter key

There are types of network topologies

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2

3

4

5

An external variable is defined in a declaration

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In main () only

In the first function that uses it

In any function that mean it

Outside of any function

DBMS must be able to accept

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Data definitions

Programs

Data records

Information

Which of the following can be passed to a function via arguments?

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Constants

Variables (with values)

Expressions

Preprocessor directives

More Classes

Other Links

NAT I Computer Science Computer MCQs With Answers

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