Question # 1

Getch stands for:

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Go character

Give character

Get character

All of these

A \t is used for:

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New line

Tab

Back space

None of these

Which of the following activities are involved in data analysis?

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Data flow diagram

Decision Tables

Decision Trees

All

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mendatory

optional

may be many

none of theses

Escape sequence starts with the character

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%

/

#

none

Which key does not have uniqueness property?

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Candidate

Foreign key

Primary key

Secondary key

Which of the following represents the entities?

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Teacher

Student

Aero plane

All

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

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

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Indexes

Integrity constaint

File organization

Data distribution strategy

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

In hybrid distribution, what types of fragments are stored at only one site?

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Critical fragments

Non-critical fragments

Critical and non-critical fragments

Only large fragments

Conditional operator is also called:

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True operator

Ternary-operator

Truth operator

All of these

Customers,cars and parts are examples of:

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Entities

Attributes

Cardinals

Relashionships

An advantage of partitioning is:

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Efficiency

Extra space

Reliabilty

Accuracy

Which of the following escape sequence is used for beep

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/a

/b

/t

/n

In an E-R diagram, a rectangle represents:

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Entity

Attributes

Relationship

None

All of the following are components of physical database design EXCEPT:

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Data volume and usage anylisis

Data distribution strategy

File organization

Normalize the relations

Which is used to display yes/no values:

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Check box

Option buttons

Both a & b

None of these

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

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