12th Class Computer Science MCQS Chapter 3

Conditional operator is also called:

All of these

Truth operator

True operator

Ternary-operator

An disadvantage of partitioning is:

Extra space and update time

All

Inconsistent access speed

Complexity

Which of the following key does not hold uniqueness property ?

foreign key

candidate key

Secondary key

primary key

A technique for physically arranging the records of a file on secondary storage devices is called:

Physical pointer

File organization

Retrieval program

Update program

In a relational database a single piece of information is called:

Entity

Record

Table

Attribute

Types of translators are:

Assembler

Compiler

All of these

Interpreter

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

Non-critical fragments

Critical and non-critical fragments

Critical fragments

Only large fragments

The output of the statement print (“%2f’, 11.4519), is

11.45

11.4519

11.51

11

Which key does not have uniqueness property?

Primary key

Candidate

Foreign key

Secondary key

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

For

While

None of these

Do-while