ECAT Computer Science MCQS Set 8

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ECAT Computer MCQS FG STUDY
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First of all welcome to ECAT Computer Science MCQS Page.

ECAT EXAM

ECAT Exam ECAT (Engineering College Admission Test) is necessary to get admission in any government institute of Pakistan. ECAT is based on Intermediate syllabus.

ECAT Computer Science MCQS Chapter wise Quiz

ECAT Computer Science:

Computer MCQS is about Basics of Information Technology, Information of Networks, Data Communication, Application and Uses of Computer, Computer Architecture, Security, Copyright and the Law, Windows Operating System, Word Processing, Spreadsheet Software, Fundamentals of Internet, Data Basics, Basic Concept and Terminology of Database, Database Design Process, Data Integrity and Normalization, Introduction to Microsoft Access, Table and Query, Microsoft Access Forms and Reports, Getting Started with C++, Elements of C, Input and Output, Decision Construction, Looping Construction.


Which object of database is used to retrieve data from database?
Queries
Forms
Reports
Tables

Every relation should have :
Primary key
Candidate key
Secondary key
Mutually exclusiveness

The type of expression x > y is
relational
arithmetic
logical
conditional

Which are basic data distribution strategies?
All
Centralized
Partitioned
Replication

A constraint between two attributes is called:
Functional dependency
Functional relation
Attribute dependency
Functional relation constaint

The conditional part of if statement consists of expression
both b and c
arithmetic
logical expression
relational

_____ is the process of converting complex data structures into simple and stable data structures?
synonyms
homonyms
mutually exclusive data
redundant information

The scope of a variable refers to its:
Accessibility
Length
Name
Data type

The program structure that executes program statements in order is
sequence
selection
repetition
iteration

Different attributes in two different tables having same name are called:
Homonym
Synonym
Acronym
Mutually exclusive

Which form of dependency is removed n 3NF?
Transitive
Functional
Non-functional
Associative

A rule that states each foreign key value must match a primary key value in the other relation is called:
Referential integrity constraints
Key match rule
Entity key group rule
Foreign/ primary match rule

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