Question # 1

A row of a relation is called:

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Attribute

Entity

Tuple

a and c

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 of the following are valid variable names?

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Long

Integer

Notlongenough

Both B and C

Which is the correct sequence of steps for creating and executing C program?

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Editing→ saving→ compiling→ linking→ Executing

Compiling→Editing→ saving→ Executing→ linking

Editing→ Executing→ Compiling→ Linking

Linking→Executing→ saving→ Editing→ compiling

The keyword used to come out of the body of loop is

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Exit

Continue

Break

Ebd

Field properties are shown in :

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Design view

Datasheet view

A and B

None

A constraint that no primary key should contain nulls is known as:

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Normalization

Dependence

Entity integrity

SQL query

Which of the following are properties of relations?

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Each attribute has a unique name

No two rows in a relation are identical

There are no multivalued attributes in a relation

All of the above

Format specifier starts with the symbol

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#

%

*

all

The type of files from usage point of view include:

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Master file

Transaction file

Backup file

All

Which one displays the result of a query?

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File

Field

Access

Reports

The operators to compare operands and decide if the relation is true or false are:

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Arithmetic operators

Logical operators

Syntax operators

Relational operators

Which object is used to retrieve data from database and present in formatted way?

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Report

Form

Table

Query

When does the code block following while (x<100) execute?

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When x is less then one hundred

When x is greater then one hundred

When x is equal to one hundred

None

How many times is the test expression of a switch statement evaluated?

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0

1

2

Once for each case

A rule that states each foreign key value must match a primary key value in the other relation is called:

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Referential integrity constraints

Key match rule

Entity key group rule

Foreign/ primary match rule

Which of the following is NOT included in the definition of an entity?

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Person

Object

Concept

Action

Who developed C?

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Von-Meumann

Al-Khuwarizmi

Charles Babbage

Dennis Ritchie

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ICS Part 2 Computer Science Online Test MCQs With Answers

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