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Questions and Answers
What is the primary function of an expansion card in a computer?
What is the primary function of an expansion card in a computer?
Which type of expansion card is specifically mentioned as enabling a computer to play the latest PC games?
Which type of expansion card is specifically mentioned as enabling a computer to play the latest PC games?
Which component of a desktop computer allows for the addition of expansion cards?
Which component of a desktop computer allows for the addition of expansion cards?
What should a PC technician be able to do with the internal components of a desktop computer?
What should a PC technician be able to do with the internal components of a desktop computer?
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Which of the following is NOT mentioned as a type of expansion card?
Which of the following is NOT mentioned as a type of expansion card?
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What is the primary function of the power supply in a computer?
What is the primary function of the power supply in a computer?
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Why is the CPU fan and heat sink necessary for the CPU?
Why is the CPU fan and heat sink necessary for the CPU?
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Which component is considered the 'heart' of a computer?
Which component is considered the 'heart' of a computer?
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What type of storage device is identified by its size and appearance, commonly using a SATA cable for connection?
What type of storage device is identified by its size and appearance, commonly using a SATA cable for connection?
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What is the role of RAM in a computer?
What is the role of RAM in a computer?
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Which type of cable is typically used to connect hard disk drives to the motherboard?
Which type of cable is typically used to connect hard disk drives to the motherboard?
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What happens to the data stored in RAM when the power supply is turned off?
What happens to the data stored in RAM when the power supply is turned off?
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What is the typical connection for an optical disc drive to the motherboard?
What is the typical connection for an optical disc drive to the motherboard?
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Study Notes
Internal Components of a Desktop Computer
- The power supply is a large, square component that converts AC power from the wall into DC power that is usable by the computer.
- The CPU (Central Processing Unit) is a metallic square component directly below the CPU fan and heat sink. It is responsible for processing data and instructions.
- The CPU fan and heat sink are crucial for cooling the CPU. The fan pulls heat away from the CPU and dissipates it.
- The motherboard serves as the heart of the computer. It houses the wiring and circuitry that connects all the components to each other.
- Memory modules (RAM) are inserted into slots on the motherboard. They provide short-term storage for data that the CPU is currently working on.
- Hard disk drives (HDDs) are used for long-term storage of data and are connected to the motherboard via a SATA cable.
- Optical disc drives are larger than HDDs and are typically connected to the motherboard with an IDE cable, though some newer drives use a SATA cable.
- Expansion cards are inserted into expansion slots on the motherboard. They provide custom functionality, such as improved graphics, audio, or network capabilities.
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Description
This quiz covers the essential internal components of a desktop computer. You'll learn about the roles and functions of the power supply, CPU, motherboard, and other key parts. Perfect for students seeking to understand computer architecture!
