ECAT Computer Science MCQS Set 11

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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 Chapter wise Quiz

ECAT Computer:

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.


A memory location with some data can be changed is celled:
Variable
Constant
Named constant
Address

A category of data or information that describes an entity is called
Data item
Attribute
Record
Tuple

The data type can handle decimal places is:
float
Long
char
string

The number of bytes used by float data type in C is:
4
2
121
16

Which of the following is the valid character constant
6
A
B
=

Which of the following operations has lowest precedence?
=
!
+
==

The logical not operator denoted by is
Unary operator
Ternary operator
a=a+b
b=b+a

the integer, long and short data types are known as:
Integer data types
Non-integral data types
float data types
Non-numeric data types

Which of the following is not a good primary key
Zip code
Social security number
Order number
STD ID number

Which is true about a variable?
The name cannot change, but the data value can
The name and data value can both change
The name can change, but the data value cannot
The name and the data value both cannot changed

a+=b is equivalent to:
a=a+b
b+=a
a=+b
b=b+a

DBA Stands for
Database administration
Database application
Database accumulator
Database administer

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