Question # 1

A data model is :

Choose an answer

A logical representation of the structure of the database

Shown as an entity-relationship diagram

Transformed into tables and relationships

All

Which of the following are ingredients of data modeling?

Choose an answer

Entities

Attributes

Relationship

All

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

Choose an answer

While

For

Do-while

None of these

Which of the following keys us not unique:

Choose an answer

Candidate key

Forein key

Primary key

Secondary key

An index may be created on:

Choose an answer

Primary key

Secondary key

Foreign key

All

Which of the following is used to associate entities with one another?

Choose an answer

Entity

Attribute

Identifier

Relationship

A factor to consider when choosing a file organization is:

Choose an answer

Fast retrieval

Security

Efficient storage

All

An entity related to itself in an ERD model refers to :

Choose an answer

Recursive relationship

One-to-many relationship

Many-to-many relationship

One-to-one relationship

An attribute is also known as:

Choose an answer

Table

Field

Row

Relation

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

Choose an answer

Indexes

Integrity constaint

File organization

Data distribution strategy

Which of the following is basic data distribution strategy?

Choose an answer

Centralized

Partitioned

Replication

All

Format specifier starts with the symbol

Choose an answer

#

%

*

all

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

Choose an answer

Attribute

Relationship

Cardinality

Modality

Getch stands for:

Choose an answer

Go character

Give character

Get character

All of these

Relationship are

Choose an answer

uni-directional

bi-directional

tri-directional

none of these

Optional is represented by

Choose an answer

0

1

2

none of these

Types of translators are:

Choose an answer

Compiler

Interpreter

Assembler

All of these

Conditional operator is also called:

Choose an answer

True operator

Ternary-operator

Truth operator

All of these

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer