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
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.