Question # 1

Customers,cars and parts are examples of:

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Entities

Attributes

Cardinals

Relashionships

An attribute is also known as:

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Table

Field

Row

Relation

Every relation must have:

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Primary key

Candidate key

Secondary key

All of these

Which of the following activities are involved in data analysis?

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Data flow diagram

Decision Tables

Decision Trees

All

-------------------- defines the nature of the relationship

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cardinality

entities

modality

none of these

The number of variables that can be used in printf ( ) function are

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one

many

three

zero

A data model is :

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A logical representation of the structure of the database

Shown as an entity-relationship diagram

Transformed into tables and relationships

All

In a loop semicolon is placed at the end of condition:

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While

For

Do-while

None of these

The output of the statement print ("%2f', 11.4519), is

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11.4519

11.45

11.51

11

Format specifier starts with the symbol

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#

%

*

all

Which of the following keys us not unique:

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Candidate key

Forein key

Primary key

Secondary key

In ERD model, the relationship between two entities is represented by a

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diamond symbol

rectangular box

oval symbol

line

Which is used to display yes/no values:

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Check box

Option buttons

Both a & b

None of these

A factor to consider when choosing a file organization is:

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Fast retrieval

Security

Efficient storage

All

Which of the following represents the entities?

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Teacher

Student

Aero plane

All

An index may be created on:

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Primary key

Secondary key

Foreign key

All

Which of the following escape sequence is used for beep

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/a

/b

/t

/n

An advantage of partitioning is:

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Efficiency

Extra space

Reliabilty

Accuracy

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ICS Part 2 Computer Science Chapter 3 Online Test MCQs With Answers

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