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

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

Question # 2

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

Question # 3

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

Question # 4

The scope of a variable refers to its:

Question # 5

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

Question # 6

C was developed in the year:

Question # 7

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

Question # 8

The type of expression x > y is

Question # 9

Which are basic data distribution strategies?

Question # 10

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

Question # 11

The entity integrity rule states that:

Question # 12

The 1NF describes the tabular format in which:

Question # 13

We can make two way decisions with the help of

Question # 14

The conditional part of if statement consists of expression

Question # 15

The case block ends with:

Question # 16

Every relation should have :

Question # 17

Which form of dependency is removed n 3NF?

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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 of the following is a decision making statement
A. break
B. getch ( )
C. if
D. all
2 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
3 In relational database, table is also called:
A. Table
B. Relation
C. File
D. Schema
4 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All
5 Which can be previewed on the screen before printing?
A. Report
B. Form
C. Sub-form
D. None
6 The operator that is used in decision making is
A. increment operator
B. decrement operator
C. condition operator
D. none
7 Which of the following anomalies result from a transitive dependency ?
A. Insertion
B. Modification
C. Deletion
D. All
8 Another term for a conditional operator is:
A. Ternary
B. Binary
C. Byte
D. Iteration
9 ------------ 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
10 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

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