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WorksheetsTech Basics for Grade 8 Students
Total questions: 10
Worksheet time: 5mins
What is the main function of the CPU in a computer?
To provide internet connectivity to the computer.
The main function of the CPU is to execute instructions and process data.
To store data permanently in the hard drive.
To manage the computer's power supply.
Name one type of storage device used in computers.
USB Flash Drive
Hard Disk Drive (HDD)
Optical Disc Drive (ODD)
Solid State Drive (SSD)
What does RAM stand for, and what is its purpose?
Random Access Module
Read Access Memory
Rapid Access Memory
Random Access Memory
List two electrical safety precautions when working with devices.
Leave devices plugged in while working.
1) Disconnect power before servicing. 2) Use insulated tools.
Use wet hands when handling devices.
Wear metal jewelry while servicing.
What is the purpose of a power supply unit in a computer?
To cool down the computer's components.
To store data permanently in the computer.
To manage the computer's software applications.
The purpose of a power supply unit in a computer is to convert and supply electrical power to the computer's components.
What is the difference between a motherboard and a hard drive?
The motherboard is a type of software; the hard drive is a hardware component.
The motherboard is used for data storage; the hard drive connects components.
The motherboard powers the computer; the hard drive manages the operating system.
The motherboard connects and manages computer components; the hard drive stores data.
Why is it important to ground yourself before working on electrical equipment?
Grounding helps in reducing noise in electrical circuits.
It is important to ground yourself to improve equipment performance.
Grounding is necessary for better signal transmission.
It is important to ground yourself to prevent electric shock when working on electrical equipment.
What is the role of a resistor in an electrical circuit?
A resistor acts as a power source in an electrical circuit.
A resistor stores electrical energy for later use.
A resistor limits current and controls voltage in an electrical circuit.
A resistor increases current flow in a circuit.
Name a common material used for electrical insulation.
Wood
Glass
Plastic
Rubber
What should you do if you see smoke coming from an electrical device?
Open the device to investigate the smoke.
Ignore it and continue using the device.
Unplug the device and call emergency services if necessary.
Pour water on the device to cool it down.
