Hardware Basics

What is the purpose of a CPU in a computer?

• To play music

• To make coffee for the user

• To execute instructions, perform calculations, and manage data flow within the computer system.

• To control the computer's lighting

Identify the following hardware component: It stores data and instructions temporarily for the CPU to access quickly.

• Central Processing Unit (CPU)

• Graphics Processing Unit (GPU)

• Random Access Memory (RAM)

• Hard Disk Drive (HDD)

Differentiate between input and output devices with examples of each.

• Input devices are used to input data into a computer, while output devices display or provide the results of processed data. Examples of input devices include keyboards and mice, while examples of output devices include monitors and printers.

• Output devices are used to input data into a computer.

• Examples of input devices include monitors and printers.

• Input devices are used to output data into a computer.

Explain the function of RAM in a computer.

• RAM in a computer is responsible for printing documents

• RAM in a computer is used to cook food

• RAM in a computer functions as a music player

• RAM in a computer stores data and machine code currently being used by the CPU, allowing for quick access and retrieval of information.

Identify the common ports and connectors used for external devices.

• RJ45

• DVI

• USB, HDMI, Thunderbolt, Ethernet, DisplayPort

• VGA

What is the role of a motherboard in a computer system?

• The motherboard is responsible for displaying graphics on the screen.

• The motherboard acts as the central hub for all hardware components in a computer system.

• The motherboard is only used for storing data.

• The motherboard controls the temperature of the computer system.

List three examples of input devices and explain their functions.

• Scanner

• Microphone

• Keyboard, Mouse, Touchscreen

• Trackpad

Describe the function of a graphics card in a computer.

• The function of a graphics card in a computer is to regulate the CPU temperature.

• The function of a graphics card in a computer is to store files and documents.

• The function of a graphics card in a computer is to provide internet connectivity.

• The function of a graphics card in a computer is to render images, videos, and animations by converting data into a signal for display.

Identify the hardware component responsible for displaying visual output on a monitor.

• Graphics Processing Unit (GPU)

• Motherboard

• Random Access Memory (RAM)

• Central Processing Unit (CPU)

Explain the purpose of a power supply unit (PSU) in a computer system.

• To regulate the internet speed of the computer

• To provide additional storage capacity for the computer

• To enhance the graphics performance of the computer

• To convert AC from a wall outlet into DC for computer components.