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 data base, a table is also called:

Question # 2

Which are basic data distribution strategies?

Question # 3

Another term for a conditional operator is:

Question # 4

Which form of dependency is removed n 3NF?

Question # 5

In 2NF, which form of dependency is removed ?

Question # 6

The type of expression x > y is

Question # 7

The scope of a variable refers to its:

Question # 8

C was developed in the year:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Which of the following anomalies result from a transitive dependency ?

Question # 13

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

Question # 14

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

Question # 15

In 3NT which form of dependency is removed ?

Question # 16

Any array script should be:

Question # 17

The columns of a table correspond to:

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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 2NF, which form of dependency is removed ?
A. associative
B. transitive
C. partial
D. functional
3 Two or more attributes with different name but same meaning create a problem:
A. Homonyms
B. Synonyms
C. Aliases
D. Alternate attributes
4 How many types of loop structure are available in C?
A. 4
B. 3
C. 2
D. 6
5 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All
6 Every relation should have :
A. Primary key
B. Candidate key
C. Secondary key
D. Mutually exclusiveness
7 ------------- 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
8 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
9 A constraint between two attributes is called:
A. Functional relation
B. Attribute dependency
C. Functional dependency
D. Functional relation constaint
10 In relational database, table is also called:
A. Table
B. Relation
C. File
D. Schema

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