Question # 1

the integer, long and short data types are known as:

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Integer data types

Non-integral data types

float data types

Non-numeric data types

C is strongly typed language, it means that:

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Every program must be compiled before execution

Every variable must be declared before it is being used

The variable declaration also defines the variable

Sufficient data types are available to manipulate each type of data

Another way to write the value 3452211903 is:

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3.452211903e09

3.45221193e-09

3.452211903×09

3452211903e09

Which of the following operators has lowest precedence

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!

+

=

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

Which is a valid statement for initializing of a variable?

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int n=100;

int x=50, y=75;

char grade='a'

All of these

Which of the following is NOT a valid identifier?

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return

myInt

myInteger

total3

Which is a numeric data type ?

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float

int

Both a and b

char

Relational operators are used to

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Establish a relationship among variables

Compare two values

Construct compound condition

Performs arithmetic operators

Which data type is used to store numeric value with no decimal point?

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int

char

float

All

A memory location with some data that cannot be changed is called:

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Constant

Variable

Keyword

Address

A primary key that consists of more than one attribute is called a

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Foreign key

Composite key

Multi-valued key

Global key

How many primary keys can a table have

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One

At least one but not more than two

Between 1-5

No limit

Variable are created in:

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RAM

ROM

Hard Disk

USB

Which of the following are valid variable names?

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Long

Integer

Notlongenough

Both B and C

DBA Stands for

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Database application

Database accumulator

Database administer

Database administration

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Computer Science Ics Part 2 Chapter 9 Online Test MCQs With Answers

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