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 operator that is used in decision making is

Question # 2

Which can be previewed on the screen before printing?

Question # 3

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

Question # 4

In 2NF, which form of dependency is removed ?

Question # 5

The case block ends with:

Question # 6

Which of the following is a decision making statement

Question # 7

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

Question # 8

Which is a possible value of flag?

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

We can make two way decisions with the help of

Question # 13

The scope of a variable refers to its:

Question # 14

Database integrity refers to the

Question # 15

A constraint between two attributes is called:

Question # 16

Any array script should be:

Question # 17

How many table views are available in MS Access?

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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 number of bytes used by 'int' data type in C are:
A. 2
B. 8
C. 12
D. 16
2 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
3 Which of the following are anomalies that can be caused by redundancy in tables?
A. Insertion
B. Deletion
C. Modification
D. All
4 A constraint between two attributes is called:
A. Functional relation
B. Attribute dependency
C. Functional dependency
D. Functional relation constaint
5 The value of expression in switch statement must be type of
A. int
B. char
C. float
D. both a and b
6 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All
7 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
8 ------------------- is created when two different names are used for the same information
A. synonyms
B. homonyms
C. mutually exclusive data
D. redundant information
9 The scope of a variable refers to its:
A. Length
B. Name
C. Accessibility
D. Data type
10 Different attributes in two different tables having same name are called:
A. Synonym
B. Homonym
C. Acronym
D. Mutually exclusive

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