12th Class ICS Computer Science Chapter 4 Online MCQ Test for (Data Integrity and Normalization)

ICS Part 2 Computer Science Online
Chapter 4 Test

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MCQ's Test For Chapter 0 "ICS Part 2 Computer Science Chapter 4 Online Test"

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ICS Part 2 Computer Science Chapter 4 Online Test

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Question # 1

Database integrity refers to the

Question # 2

How many types of loop structure are available in C?

Question # 3

The number of bytes used by 'int' data type in C are:

Question # 4

Which form of dependency is removed n 3NF?

Question # 5

Every relation should have :

Question # 6

In 3NT which form of dependency is removed ?

Question # 7

------------ is a constraint on primary values that states that no attribute of a primary key should contain nulls

Question # 8

Which format specific is used for integer data type?

Question # 9

The 1NF describes the tabular format in which:

Question # 10

In 2NF, which form of dependency is removed ?

Question # 11

Another term for a conditional operator is:

Question # 12

Which is a possible value of flag?

Question # 13

The case block ends with:

Question # 14

Which of the following is a decision making statement

Question # 15

The program structure that executes program statements in order is

Question # 16

A relation is in third normal form if it is in second normal form and:

Question # 17

C was developed in the year:

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ICS Part 2 Computer Science Chapter 4 Online Test MCQ's

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ICS Part II Computer Science Chapter 0 Important MCQ's

Sr.# Question Answer
1 A functional dependency between two or more non-key attributes is called:
A. Partial functional dependency
B. Partial non-key dependency
C. Transitive dependency
D. None
2 ------------- is the process of converting complex data structures into simple and stable data structures
A. database integrity
B. homonyms
C. normalization
D. mutually exclusive data
3 Which of the following are anomalies that can be caused by redundancy in tables?
A. Insertion
B. Deletion
C. Modification
D. All
4 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
5 A constraint between two attributes is called:
A. Functional relation
B. Attribute dependency
C. Functional dependency
D. Functional relation constaint
6 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
7 Which form of dependency is removed in 2NF?
A. Functional
B. Transitive
C. Associative
D. Partial
8 In 3NF, a non key attribute must not depend on a
A. non key attribute
B. key attribute
C. composite key
D. sort key
9 The attribute on the left side of the arrow in a functional dependency is called:
A. Candidate key
B. Determinant
C. Foreign key
D. Primary key
10 ------------------- is created when two different names are used for the same information
A. synonyms
B. homonyms
C. mutually exclusive data
D. redundant information

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