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

The 1NF describes the tabular format in which:

Question # 2

Which are basic data distribution strategies?

Question # 3

The value of expression in switch statement must be type of

Question # 4

The type of expression x > y is

Question # 5

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

Question # 6

A rule that states each foreign key value must match a primary key value in the other relation is called:

Question # 7

In 3NT which form of dependency is removed ?

Question # 8

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

Question # 9

Different attributes in two different tables having same name are called:

Question # 10

Database integrity refers to the

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The operator that is used in decision making is

Question # 16

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

Question # 17

A constraint between two attributes is called:

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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 Which format specific is used for integer data type?
A. %d
B. %S
C. %C
D. %f
2 The case block ends with:
A. End Select
B. End case
C. Break
D. Case else
3 ------------- 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
4 C was developed in the year:
A. 1970
B. 1972
C. 1976
D. 1995
5 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
6 How many types of loop structure are available in C?
A. 4
B. 3
C. 2
D. 6
7 Which can be previewed on the screen before printing?
A. Report
B. Form
C. Sub-form
D. None
8 A relation is in 2NF if it is in 1NF and all its non-key attributes are:
A. Dependent on part of the primary key
B. Dependent on the entire primary key
C. Independent on the primary key
D. Independent of any other relation
9 Database integrity refers to the
A. correctness of data
B. consistency of data
C. both a and b
D. none of these
10 ------------ is a constraint on primary values that states that no attribute of a primary key should contain nulls
A. referential integrity
B. entity integrity
C. normalization
D. acronyms

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