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 conditional part of if statement consists of expression

Question # 2

Which can be previewed on the screen before printing?

Question # 3

Which format specific is used for integer data type?

Question # 4

Database integrity refers to the

Question # 5

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

Question # 6

The goal of normalization is to:

Question # 7

Which form of dependency is removed n 3NF?

Question # 8

In relational database, table is also called:

Question # 9

In 2NF, which form of dependency is removed ?

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The case block ends with:

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 The scope of a variable refers to its:
A. Length
B. Name
C. Accessibility
D. Data type
2 In 2NF, which form of dependency is removed ?
A. associative
B. transitive
C. partial
D. functional
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 Any array script should be:
A. Int
B. Float
C. Double
D. Array
5 The operator that is used in decision making is
A. increment operator
B. decrement operator
C. condition operator
D. none
6 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All
7 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
8 Two or more attributes with different name but same meaning create a problem:
A. Homonyms
B. Synonyms
C. Aliases
D. Alternate attributes
9 Which form of dependency is removed n 3NF?
A. Functional
B. Non-functional
C. Associative
D. Transitive
10 The columns of a table correspond to:
A. Table
B. Record
C. Field
D. Cell

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