Computer Science · Class 3
Computer System
Learn Computer System with notes, examples, and practice questions.
3 sections15–25 min read6 MCQs · 2 examples
Chapter Overview
Computer System introduces essential computer concepts for Class 3 — hardware, software, and practical skills for exams and daily use.
Components
- Hardware + software together
- Firmware in devices
Boot Process
- BIOS/UEFI starts OS
- Drivers load peripherals
Solved Examples
Step-by-step solutions — read each step before checking the final answer.
Example 1
Name four hardware components.
- 1Identify given information
- 2Apply the concept
- 3State conclusion
Answer
See Computer System concepts above.
Example 2
What happens when you press power button?
- 1Identify given information
- 2Apply the concept
- 3State conclusion
Answer
See Computer System concepts above.
Key Points to Remember
- ✓ Hardware + software together
- ✓ Firmware in devices
- ✓ BIOS/UEFI starts OS
- ✓ Drivers load peripherals
Exam Tips
- • Revise Computer System definitions
- • Draw diagrams where applicable
- • Practice MCQs after examples
Practice MCQs — Computer System
Test your understanding with topic-wise multiple choice questions. Explanations appear after each answer.
Question 1 of 6Score: 0/0
Computer System mainly teaches: