Computer Systems and Hardware
Class 9 • Learn • Explore • Practise. 10 learning modules, 30 module MCQs + 10-question checkpoint quiz.
Course Chapters & Learning Modules
Total 10 interactive modules with guided checkpoint challenges.
Module 1: Meet the Computer
A computer is an electronic machine that accepts data, processes it according to instructions, stores it, and produces output.
Module 2: Characteristics of a Computer
Speed, accuracy, storage, diligence, versatility, reliability, and human judgement limitations.
Module 3: The Computer System
Hardware (touchable physical parts) vs Software (programs and instructions) working as a synchronized team.
Module 4: The CPU - The Brain of the Computer
The CPU processes instructions, performs calculations, makes logical decisions, and controls computer activity.
Module 5: Primary Memory - RAM and ROM
Primary memory is directly used by the CPU. RAM supports current work, while ROM stores important starting instructions.
Module 6: Secondary Memory and Storage
Secondary memory keeps files for a long time, even after the computer is switched off.
Module 7: Input Devices
Input devices send data and commands into a computer.
Module 8: Output Devices
Output devices show or produce the result of computer processing.
Module 9: How Computer Parts Work Together
A computer completes a task through cooperation among input, CPU, memory, storage, software, and output.
Module 10: Using Hardware Wisely and Safely
Safe computer use protects people, equipment, files, and the environment.
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