Question # 1

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

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Attribute

Data item

Record

Tuple

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

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2

4

121

16

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

Which of the following are valid variable names?

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Long

Integer

Notlongenough

Both B and C

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

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2

8

12

16

Which of the following statements is NOT legal?

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char ch='b';;

char ch='0'

char ch=65;

char ch="cc"

Which is a numeric data type ?

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float

int

Both a and b

char

a+=b is equivalent to

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a+=b

a=+b

a=a+b

b=b+a

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

What happens when the result of a calculation exceeds the capacity of data type?

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System error

Logic error

Syntax error

Over flow

A memory location with some data can be changed is celled:

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Constant

Variable

Named constant

Address

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

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