Question # 1

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

The logical not operator denoted by is

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Ternary operator

Unary operator

a=a+b

b=b+a

The number of digits after a decimal point is called:

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Significance

Precision

Range

Scope

Which of the following statements is NOT legal?

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char ch='b';;

char ch='0'

char ch=65;

char ch="cc"

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

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2

8

12

16

Which is NOT a rule for naming variables?

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Use a descriptive name for the value

Start the name of variable with a letter

Use nothing but letters, digits, or the underscore character

All the above

Which is a valid statement for declaring a variable?

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int marks;

int a,b,c;

Double salary;

All

An integer variable can store the value:

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-1.1

"123"

32898

5.5

Which of the following is a valid character constant?

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a

"Hello"

'6'

=

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

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int

char

float

All

Which of the following is used to separate each variable while declaring more than one variable on the same line?

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Commas

Colons

Pipes

Semicolons

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

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Constant

Variable

Keyword

Address

Which is NOT a valid statement to initialize a variable?

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int n=100;

long,population=15000;

char n []="hello World";

cons int N=100;

Which of the following operations has lowest precedence?

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!

+

=

==

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

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