Question # 1

---------------- are written before the main () function

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C statements

preprocessor directives

linking instructions

both a and b

On successfully closing a file the f close () returns

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Null

0

1

File pointer

The body of while loop with multiple statements ends with:

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Right bracket ]

Right brace }

Comma ,

Semi colon ;

The number of characters in fixed-length field is:

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Constant

Variable

10

100

The number of bytes used by int data type in C is:

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2

8

12

16

Who developed C?

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Von-Meumann

Al-Khuwarizmi

Charles Babbage

Dennis Ritchie

The programmer usually enters source code into a computer using:

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Compiler

Text editor

Debugger

Linker

Which of the following function is used to read a string from a file

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puts()

Pute()

fputs()

fgets()

When we make any modification in a relation it is called

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Insertion anomaly

Deletion anomaly

Modification anomaly

Both a and b

An attribute that uniquely identify each row in a relation is called

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Column

Foreign

Primary key

Duplicate key

Int type variable use -------------------- bytes in memory

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2

4

6

8

Which of the following operators has lowest precedence

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!

+

=

A factor consider when choosing a file organization is

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Fast data retrieval

Security

Efficient storage

All of them

Each set of related items in a table is called:

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Table

Record

Field

Query

The machine language instructions are written in ______

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Keyboard

Binary code

C

None of them

A data model is :

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A logical representation of the structure of the database

Shown as an entity-relationship diagram

Transformed into tables and relationships

All

SQL is used for:

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Data definition

Data manipulaton

Data control

All

The format specifier % d is used for

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Int

Unsigned short

Unsigned float

Unsigned long int

The data or information that describes an entity is called:

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Attribute

Data item

Record

Tuple

% f is used for

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Double

Float

Integer

Short

In relational data base, a table is also called:

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Tuple

Relation

File

Schema

The statement printf ("%10d",n) will display the value of n:

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Right justified in ten-character space

Left justified in ten-character space

Center-justified in ten-character space

None of these

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