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

In relational database, table is also called:

Question # 2

Database integrity refers to the

Question # 3

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

Question # 4

Which object of database is used to retrieve data from database?

Question # 5

The program structure that executes program statements in order is

Question # 6

The 1NF describes the tabular format in which:

Question # 7

Which of the following anomalies result from a transitive dependency ?

Question # 8

C was developed in the year:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

A constraint between two attributes is called:

Question # 13

Which form of dependency is removed in 2NF?

Question # 14

In relational data base, a table is also called:

Question # 15

The columns of a table correspond to:

Question # 16

The value of expression in switch statement must be type of

Question # 17

The operator that is used in decision making is

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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 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
2 The operator that is used in decision making is
A. increment operator
B. decrement operator
C. condition operator
D. none
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 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
5 A relation is in third normal form if it is in second normal form and:
A. Dependent on part of the key
B. Dependent on the whole key
C. Independent of the key
D. Has no transitive dependencies
6 The columns of a table correspond to:
A. Table
B. Record
C. Field
D. Cell
7 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All
8 The conditional part of if statement consists of expression
A. arithmetic
B. logical expression
C. relational
D. both b and c
9 The program structure that executes program statements in order is
A. selection
B. sequence
C. repetition
D. iteration
10 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

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