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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ICS Part 2 Computer Science Chapter 4 Online Test

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Question # 1

A relation is in 2NF if it is in 1NF and all its non-key attributes are:

Question # 2

Which form of dependency is removed n 3NF?

Question # 3

We can make two way decisions with the help of

Question # 4

Which are basic data distribution strategies?

Question # 5

Another term for a conditional operator is:

Question # 6

A constraint between two attributes is called:

Question # 7

Any array script should be:

Question # 8

------------- is the process of converting complex data structures into simple and stable data structures

Question # 9

The program structure that executes program statements in order is

Question # 10

The attribute on the left side of the arrow in a functional dependency is called:

Question # 11

How many types of loop structure are available in C?

Question # 12

Storing the same information in two different ways or forms is called

Question # 13

Database integrity refers to the

Question # 14

A functional dependency between two or more non-key attributes is called:

Question # 15

Two or more attributes with different name but same meaning create a problem:

Question # 16

In 3NF, a non key attribute must not depend on a

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 The operator that is used in decision making is
A. increment operator
B. decrement operator
C. condition operator
D. none
2 Database integrity refers to the
A. correctness of data
B. consistency of data
C. both a and b
D. none of these
3 In 3NF, a non-key attribute must not depend on a :
A. Non-key attribute
B. Key attribute
C. Composite key
D. Sort key
4 Which form of dependency is removed n 3NF?
A. Functional
B. Non-functional
C. Associative
D. Transitive
5 Which of the following are anomalies that can be caused by redundancy in tables?
A. Insertion
B. Deletion
C. Modification
D. All
6 The goal of normalization is to:
A. Get stable data structure
B. Increase number of relation
C. Increase redundancy
D. Remove constraints
7 A rule that states each foreign key value must match a primary key value in the other relation is called:
A. Referential integrity constraints
B. Key match rule
C. Entity key group rule
D. Foreign/ primary match rule
8 How many table views are available in MS Access?
A. 1
B. 3
C. 2
D. 4
9 Different attributes in two different tables having same name are called:
A. Synonym
B. Homonym
C. Acronym
D. Mutually exclusive
10 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All

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