ICS Computer Unit 4 Past Papers Notes 2nd Year 2021

ICS Computer notes unit 4 from past papers of ICS annual exam Punjab Board. 2nd-year computer science chapter-wise solved notes of MCQs and short questions.

A Plus computer solved past papers according to smart syllabus 2021. These notes have been collected from the following boards.

ICS Computer Unit 4 Past Papers Boards:

  • Sahiwal Board
  • Multan Board
  • Lahore Board
  • Bahawalpur Board
  • D.G Khan Board
  • Faisalabad Board
  • Sargodha Board
  • Lahore Board
  • Rawalpindi Board
  • Gujranwala Board

12th class Computer MCQs :

Here are some sample Multiple choice questions from these notes. All questions are according to alp smart syllabus 2021.

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
A constraint between two attributes is called:
(A) functional relation
(B) attribute dependency
(C) functional dependency
(D) relation constraint
In 3 NF (Third Normal Form), a non-key attribute must not depend on a:
(A) Non-key attributes
(B) key attributes
(C) Composite key
(D) Sort key

Chapter 4 Important Short Questions:

These are the some sample short questions from these notes. Which are collected from previous Board papers of all Punjab.

  • Database anomalies and also mention their names with definitions.
  • When is Relation in 3rd Normal Form?

Download Complete Notes Unit 4:

Now you can download complete notes of 12th class chapter 4.

For all subject’s notes and pdf, books visit the Home page of this blog. If you want to prepare online computer MCQs then visit this site.

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