Question # 1

Which of the following is NOT a valid identifier?

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return

myInt

myInteger

total3

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

Which of the following is not a good primary key

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Social security number

Order number

Zip code

STD ID number

The data type can handle decimal places is:

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Long

float

char

string

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 statements is NOT legal?

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char ch='b';;

char ch='0'

char ch=65;

char ch="cc"

Which is a valid statement for declaring a variable?

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int marks;

int a,b,c;

Double salary;

All

Which of the following data type offers the highest precisions

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Float

Long int

Long double

Unsigned long unit

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

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Column

Foreign

Primary key

Duplicate key

A process of assigning initial value to a variable at the time of declaration is called:

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Assigning

Initializing

Naming

setting

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

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

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

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

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2

8

12

16

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

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