Computer Hardware Fundamentals
A Grade 12 science worksheet covering essential concepts of computer hardware, including components, functions, and performance factors.
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Computer Hardware Fundamentals
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Read each question carefully and provide your best answer. For multiple-choice questions, circle the correct option. For fill-in-the-blank questions, write your answer in the space provided.
1. Which of the following is considered the 'brain' of the computer, responsible for executing instructions and performing calculations?
RAM
Hard Drive
CPU
GPU
2. What is the primary function of RAM (Random Access Memory) in a computer system?
Permanent data storage
Storing the operating system
Temporary storage for active programs and data
Processing graphical information
3. The is a circuit board that connects all of the computer's components, including the CPU, RAM, and storage devices.
4. A is a type of non-volatile storage device that uses integrated circuit assemblies as memory to store data persistently.
5. The speed of a CPU is often measured in , which represent cycles per second.
6. A GPU (Graphics Processing Unit) is primarily designed for general-purpose computing tasks, similar to a CPU.
True
False
7. Solid State Drives (SSDs) generally offer faster data access speeds compared to traditional Hard Disk Drives (HDDs).
True
False
8. Briefly explain the difference between volatile and non-volatile memory, providing an example of each.
9. Describe the role of a power supply unit (PSU) within a computer system.
Match each computer hardware component with its primary function.
10. Motherboard
a. Provides cooling for components
11. CPU
b. Connects all components
12. RAM
c. Executes instructions
13. Heat Sink/Fan
d. Temporary data storage
14. Identify three distinct computer hardware components shown in the image below and briefly describe their function.
