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WorksheetsGRADE 9 ICT_CSS
Total questions: 50
Worksheet time: 25mins
What is the primary function of a CPU in a system unit?
Storage
Input
Processing
Output
Which component is responsible for storing data even when the computer is powered off?
RAM
CPU
Hard Drive
Power Supply
The ____________ is responsible for converting digital data into analog signals for output.
GPU
CPU
RAM
Sound card
What is the purpose of the BIOS (Basic Input/Output System) in a system unit?
To manage power supply
To boot up the operating system
To display graphics
To manage network connections
Which of the following is not a type of expansion slot commonly found on a motherboard?
PCI Express
USB
AGP
PCIe
Which component is responsible for temporarily storing data that the CPU is currently processing?
Hard Drive
RAM
GPU
Power Supply
What is the purpose of the power supply unit (PSU) in a system unit?
To regulate the temperature of the CPU
To provide electrical power to the computer
To manage network connections
To display graphics
Which component is responsible for producing sound in a computer?
CPU
GPU
Sound card
Motherboard
What does the term 'CPU socket' refer to in a system unit?
The location where the power cord connects to the computer
The part of the motherboard where the CPU is installed
The slot where RAM modules are inserted
The cooling fan on top of the CPU
Which of the following is responsible for connecting external devices, such as a keyboard or mouse, to the computer?
RAM
CPU
I/O ports
Power Supply
What is the recommended posture when sitting at a computer for an extended period?
Slouching
Leaning forward
Sitting with your back straight and feet flat on the floor
Crossing your legs
Which of the following is NOT a potential hazard related to computer usage?
Eye strain
Repetitive Strain Injury (RSI)
Proper ergonomics
Electrical shock
Why is it important to take regular breaks when using a computer for an extended time?
To waste time
To improve productivity
To reduce the risk of developing health issues
To check social media
Which of the following is an example of a fire safety measure in a computer lab or office?
Keeping flammable materials near electrical outlets
Overloading electrical outlets
Having fire extinguishers and fire alarms in place
Ignoring fire exits
To reduce the risk of electrical shock when working with computers, what should you do?
Use damaged power cords and adapters
Plug multiple devices into a single power strip
Keep liquids away from electrical equipment
Place equipment on metal surfaces
Which of the following is NOT a commonly used computer peripheral device?
Monitor
Keyboard
Motherboard
Printer
What is the primary function of a computer mouse?
Display images on the screen
Input text and commands
Control the movement of a pointer on the screen
Print documents
Which peripheral device is used for the input of audio and voice into a computer?
Webcam
Microphone
Scanner
External hard drive
What is the purpose of a computer scanner?
Inputting text and commands
Capturing and digitizing images or documents
Displaying video content
Storing large amounts of data
Which peripheral device is commonly used for data storage and backup purposes?
Speaker
External hard drive
Graphics card
Optical drive
What is the main circuit board of a computer called?
CPU
GPU
RAM
Motherboard
Which component on the motherboard houses the BIOS (Basic Input/Output System)?
CPU
RAM
CMOS battery
ROM chip
What is the function of the Northbridge on a motherboard?
To handle data communication between the CPU and RAM
To provide power to the CPU
To control the system's audio
To manage network connections
Which port on the motherboard is commonly used for connecting the keyboard and mouse?
USB
PS/2
HDMI
VGA
The CMOS battery on the motherboard is responsible for:
Storing the BIOS firmware
Providing power to the CPU
Maintaining the system clock and BIOS settings
Managing network connections
Which component on the motherboard is responsible for controlling the flow of data between the CPU and other components?
Northbridge
Southbridge
CMOS battery
CPU socket
What is the purpose of the Southbridge on a motherboard?
To handle data communication between the CPU and RAM
To provide power to the CPU
To manage input and output devices
To control the system's audio
Which component on the motherboard is responsible for providing power to the CPU?
Northbridge
Southbridge
CMOS battery
Voltage regulator module (VRM)
Which type of memory is directly connected to the CPU and provides high-speed data access?
RAM
ROM
Cache memory
Hard drive
The PCIe slots on a motherboard are commonly used for connecting:
RAM modules
Graphics cards and other expansion cards
USB devices
Power cables
What is the function of the BIOS (Basic Input/Output System) in a motherboard?
To manage power supply
To boot up the operating system
To display graphics
To provide audio output
Which component on the motherboard is responsible for managing input and output devices?
Northbridge
Southbridge
CMOS battery
CPU socket
Which port on the motherboard is commonly used for connecting a monitor?
USB
Ethernet
HDMI
SATA
When assembling a computer system unit, which component is typically mounted onto the motherboard first?
Hard Drive
CPU (Central Processing Unit)
Power Supply
RAM (Random Access Memory)
Which of the following tools is essential for disassembling a computer system unit safely?
Screwdriver
Pliers
Hammer
Wrench
What does the BIOS stand for in the context of computer assembly?
Basic Input/Output System
Binary Input/Output Software
Basic Integrated Operating System
Built-In Output System
Which type of connector is commonly used to connect the power supply to the motherboard?
USB
HDMI
SATA
ATX
Which component of the computer system unit is responsible for providing power to all other components?
CPU
RAM
Power Supply Unit (PSU)
Graphics Card
To prevent electrostatic discharge (ESD) when handling computer components, you should:
Wear a grounding strap
Use a plastic bag
Work on a metal table
Keep components in direct sunlight
Which of the following is NOT a typical expansion slot found on a motherboard?
PCI Express (PCIe)
AGP (Accelerated Graphics Port)
USB
PCI (Peripheral Component Interconnect)
The CPU heatsink and fan assembly is essential for:
Increasing processing speed
Reducing power consumption
Cooling the CPU
Enhancing graphics performance
When disassembling a computer system unit, which step should be performed first?
Remove the power cable
Unplug peripheral devices
Remove the CPU
Disconnect the monitor
Which component of the computer system unit updates the BIOS settings?
RAM
Hard Drive
CMOS Battery
CPU
Which of the following is a function of the motherboard in a computer system unit?
Executes software programs
Stores data permanently
Manages and connects hardware components
Displays graphics on the monitor
The primary purpose of thermal paste in computer assembly is to:
Increase the speed of the CPU
Prevent overheating of components
Enhance audio performance
Improve Wi-Fi connectivity
Which type of memory is volatile and loses its data when the computer is powered off?
ROM (Read-Only Memory)
RAM (Random Access Memory)
Hard Drive
SSD (Solid State Drive)
What is the purpose of the CMOS battery on a computer's motherboard?
To provide backup power in case of outages
To cool down the CPU
To store the operating system
To increase RAM capacity
Which component of a computer system unit is responsible for processing and executing instructions?
Hard Drive
RAM
CPU
Motherboard
Which of the following is a common computer health and safety guideline?
Always eat at your computer to save time
Keep your computer in a dusty environment for better ventilation
Take regular breaks to prevent eye strain and RSI
Use your computer in a dimly lit room to reduce electricity usage
What is the purpose of an anti-static wrist strap when working on computer components?
It's a fashion accessory
To prevent electrical discharge that could damage components
To keep your hands warm during computer repairs
It's a tracking device for monitoring technicians' movements
