10 Questions
What does the Hard Drive Activity LED provide visual indication of?
Data being read from or written to the hard drive
What is the function of a momentary-contact switch that is normally open in a computer system?
Supporting the reset function
What is the purpose of a PS/2 port on a computer?
Connecting a keyboard or mouse
What is the main function of a parallel port found on older PCs?
Connecting external devices such as printers or a scanner
What are drive bays most commonly used for?
Storing disk drives and front-end USB ports
Explain the purpose and function of the reset switch in a computer system.
The reset switch is a momentary-contact switch that is normally open. When the switch is closed, the board resets and runs POST.
Describe the main function of the Power Switch in a computer system.
The power switch is a momentary-contact switch that is normally open and is used to signal the power supply to switch on or off. The switch should maintain contact for at least 50 ms to initiate the power supply.
What is the significance of the PS/2 port on a computer and what type of cable does it accept?
The PS/2 port is used to connect a keyboard or mouse to the computer. It accepts a PS/2 cable with a mini-DIN connector.
Explain the function of the Drive Bays in a computer system and list at least two alternative uses for them.
Drive bays are primarily used to store disk drives. They can also be used for front-end USB ports, I/O bays, card readers, fans, tool storage, and other purposes.
What is the purpose of the Parallel Port found on older PCs and what type of connector does it use?
The parallel port is used to connect external devices such as printers or scanners. It uses a 25-pin connector (DB-25).
Test your knowledge of computer front and rear panel connections with this quiz. Learn about the indicators, switches, and connectors found on the front and rear sides of a computer.
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