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

Question # 2

The type of expression x > y is

Question # 3

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

Question # 4

Which are basic data distribution strategies?

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

A constraint between two attributes is called:

Question # 9

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

Question # 10

Which form of dependency is removed in 2NF?

Question # 11

Which form of dependency is removed n 3NF?

Question # 12

Which is a possible value of flag?

Question # 13

Any array script should be:

Question # 14

The case block ends with:

Question # 15

Database integrity refers to the

Question # 16

The program structure that executes program statements in order is

Question # 17

Another term for a conditional operator 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 Which format specific is used for integer data type?
A. %d
B. %S
C. %C
D. %f
2 A constraint between two attributes is called:
A. Functional relation
B. Attribute dependency
C. Functional dependency
D. Functional relation constaint
3 The scope of a variable refers to its:
A. Length
B. Name
C. Accessibility
D. Data type
4 Every relation should have :
A. Primary key
B. Candidate key
C. Secondary key
D. Mutually exclusiveness
5 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
6 The case block ends with:
A. End Select
B. End case
C. Break
D. Case else
7 A functional dependency between two or more non-key attributes is called:
A. Partial functional dependency
B. Partial non-key dependency
C. Transitive dependency
D. None
8 Two or more attributes with different name but same meaning create a problem:
A. Homonyms
B. Synonyms
C. Aliases
D. Alternate attributes
9 The entity integrity rule states that:
A. No primary key attribute can be null
B. Each entity must have a primary key
C. Primary key must have only one attribute
D. None
10 In relational database, table is also called:
A. Table
B. Relation
C. File
D. Schema

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