Question # 1

Which of the following data types is most appropriate for storing a name?

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float

int

char

long

Relational operators are used to

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Establish a relationship among variables

Compare two values

Construct compound condition

Performs arithmetic operators

A category of data or information that describes an entity is called

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Attribute

Data item

Record

Tuple

Which of the following statement is correct?

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float num1;num2;

int day,night;

int continue=5.0;

string black='white';

The exponential notation consists of:

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Mantissa

Exponent

Range

A and B

A candidate key is

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Primary key

The primary key selected to be the key of relation

A group attribute that can be the primary key

All of them

Variables are created in

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Ram

Rom

Hard disk

Cache

Which of the following is NOT a valid identifier?

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return

myInt

myInteger

total3

The data type can handle decimal places is:

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Long

float

char

string

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

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2

4

12

16

Which of the following is not a good primary key

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Social security number

Order number

Zip code

STD ID number

An integer variable can store the value:

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-1.1

"123"

32898

5.5

Variable and constant names can not contain a(n):

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Number

Underscore

Upper case letter

Lower case letter

Which of the following is a valid character constant?

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a

"Hello"

'6'

=

Which is true about a variable?

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The name and data value can both change

The name can change, but the data value cannot

The name cannot change, but the data value can

The name and the data value both cannot changed

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