Question # 1

An entity related to itself in an ERD model refers to

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recursive relationship

one-to-many relationship

many to many relationship

on to one relationship

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

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Person

Object

Concept

Action

Which of the following is basic data distribution strategy?

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Centralized

Partitioned

Replication

All

A factor to consider when choosing a file organization is:

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Fast retrieval

Security

Efficient storage

All

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

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one

many

three

zero

Which of the following is used to describe the characteristics of an object?

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Attribute

Relationship

Cardinality

Modality

Which component of physical database design refers to the consistency of data?

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Indexes

Integrity constaint

File organization

Data distribution strategy

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mendatory

optional

may be many

none of theses

Which is used to display yes/no values:

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Check box

Option buttons

Both a & b

None of these

Object used to retrieve data from database is called:

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Forms

Repons

Queries

Tables

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

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diamond symbol

rectangular box

oval symbol

line

_______________ refers to a method of database distribution in which one database contains data that are included in another database.

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Splitting

Partitioning

Replication

Dividing

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

Organizing the database in computer disk storage is done in:

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Logical design

Physical design

Analysis

Implimentation

Relationship are

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uni-directional

bi-directional

tri-directional

none of these

Local variables are also called:

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Automatic variables

Global variables

Grid Variables

None of these

An index may be created on:

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Primary key

Secondary key

Foreign key

All

A file is stored in:

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RAM

ROM

Cache

Hard disk

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

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