12th Class Computer Science MCQS
The program structure that executes program statements in order is
sequence
selection
iteration
repetition
The goal of normalization is to:
Get stable data structure
Remove constraints
Increase number of relation
Increase redundancy
Different attributes in two different tables having same name are called:
Synonym
Mutually exclusive
Homonym
Acronym
A constraint between two attributes is called:
Functional dependency
Functional relation
Functional relation constaint
Attribute dependency
Database integrity refers to the
both a and b
correctness of data
none of these
consistency of data
The value of expression in switch statement must be type of
float
int
both a and b
char
The conditional part of if statement consists of expression
arithmetic
both b and c
relational
logical expression
The scope of a variable refers to its:
Data type
Accessibility
Name
Length
The 1NF describes the tabular format in which:
All
All attributes are dependent on primary key
All the key attributes are defined
No repeating groups in the table
In 3NT which form of dependency is removed ?
functional
associative
non-functional
transitive
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