Computer Front and Rear Panel Connections

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Questions and Answers

What does the Hard Drive Activity LED provide visual indication of?

RAM usage
Data being read from or written to the hard drive (correct)
Power supply status
Network activity

What is the function of a momentary-contact switch that is normally open in a computer system?

Enabling USB connectivity
Controlling fan speed
Regulating CPU temperature
Supporting the reset function (correct)

What is the purpose of a PS/2 port on a computer?

Connecting to a network
Connecting audio devices
Connecting external hard drives
Connecting a keyboard or mouse (correct)

What is the main function of a parallel port found on older PCs?

Connecting external devices such as printers or a scanner (C) Signup and view all the answers

What are drive bays most commonly used for?

Storing disk drives and front-end USB ports (B) Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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). Signup and view all the answers

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