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

Which is a possible value of flag?

Question # 2

In relational data base, a table is also called:

Question # 3

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

Question # 4

A constraint between two attributes is called:

Question # 5

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

Question # 6

In 2NF, which form of dependency is removed ?

Question # 7

Which of the following anomalies result from a transitive dependency ?

Question # 8

Any array script should be:

Question # 9

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

Question # 10

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

Question # 11

Which of the following are anomalies that can be caused by redundancy in tables?

Question # 12

In 3NT which form of dependency is removed ?

Question # 13

The program structure that executes program statements in order is

Question # 14

------------------- is created when two different names are used for the same information

Question # 15

Database integrity refers to the

Question # 16

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

Question # 17

Which can be previewed on the screen before printing?

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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 form of dependency is removed in 2NF?
A. Functional
B. Transitive
C. Associative
D. Partial
2 The type of expression x > y is
A. arithmetic
B. logical
C. relational
D. conditional
3 Different attributes in two different tables having same name are called:
A. Synonym
B. Homonym
C. Acronym
D. Mutually exclusive
4 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
5 Which of the following anomalies result from a transitive dependency ?
A. Insertion
B. Modification
C. Deletion
D. All
6 The conditional part of if statement consists of expression
A. arithmetic
B. logical expression
C. relational
D. both b and c
7 Which object of database is used to retrieve data from database?
A. Queries
B. Forms
C. Reports
D. Tables
8 ------------ 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
9 Which form of dependency is removed n 3NF?
A. Functional
B. Non-functional
C. Associative
D. Transitive
10 Database integrity refers to the
A. correctness of data
B. consistency of data
C. both a and b
D. none of these

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