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12th Class Computer Science Chapter 4 Test

Here you can prepare 12th Class Computer Science Chapter 4 Data Integrity and Normalization Test. Click the button for 100% free full practice test.

2nd Year Computer Science Chapter 4 Online MCQ Test for 12th Class Computer Science Chapter 4 (Data Integrity and Normalization)

This online test contains MCQs about following topics:

- Overview
- Data Integrity

ICS Part 2 Computer Sci Ch. 4 Test
ic

2nd Year Computer Science Chapter 4 Online MCQ Test for 12th Class Computer Science Chapter 4 (Data Integrity and Normalization)

Sr. # Questions Answers Choice
1 A constraint between two attributes is called:
  • A. Functional relation
  • B. Attribute dependency
  • C. Functional dependency
  • D. Functional relation constaint
2 The value of expression in switch statement must be type of
  • A. int
  • B. char
  • C. float
  • D. both a and b
3 The scope of a variable refers to its:
  • A. Length
  • B. Name
  • C. Accessibility
  • D. Data type
4 Which object of database is used to retrieve data from database?
  • A. Queries
  • B. Forms
  • C. Reports
  • D. Tables
5 Storing the same information in two different ways or forms is called
  • A. database integrity
  • B. redundant information
  • C. homonyms
  • D. mutually exclusive data
6 The number of bytes used by 'int' data type in C are:
  • A. 2
  • B. 8
  • C. 12
  • D. 16
7 A relation is in 2NF if it is in 1NF and all its non-key attributes are:
  • A. Dependent on part of the primary key
  • B. Dependent on the entire primary key
  • C. Independent on the primary key
  • D. Independent of any other relation
8 In relational database, table is also called:
  • A. Table
  • B. Relation
  • C. File
  • D. Schema
9 ------------------- is created when two different names are used for the same information
  • A. synonyms
  • B. homonyms
  • C. mutually exclusive data
  • D. redundant information
10 The goal of normalization is to:
  • A. Get stable data structure
  • B. Increase number of relation
  • C. Increase redundancy
  • D. Remove constraints

Top Scorers of Computer Science Ics Part 2 Chapter 4 Online Test

H

Hamza Abid

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17/17
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Shafiq Ur Rehman

Lahore25 - Jul - 2022

16/17
02 Mins 22 Sec
A

Abdul Rehman

Lahore31 - May - 2022

16/17
03 Mins 29 Sec
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Hamza Abid

Abbottabad24 - Jun - 2022

16/17
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A

Abdul Rehman

Lahore31 - May - 2022

15/17
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H

Hamza Abid

Abbottabad23 - Jun - 2022

14/17
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Abdul Rehman

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Tabi Jan

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Mian Faisal

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13/17
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Ikhlaq Hussain

Gujrat21 - Jun - 2022

13/17
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SHAHBAN

Lahore24 - Jun - 2022

12/17
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Tabi Jan

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12/17
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Muhammad Tanzeel Rafiq

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12/17
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Hamza Abid

Abbottabad22 - Jun - 2022

12/17
10 Mins 50 Sec
A

Aas Irshad

Lahore03 - Jun - 2022

11/17
01 Mins 48 Sec

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