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Questions and Answers
What is the purpose of keeping personal computer components safe?
To prevent damage and ensure proper functioning.
What are the main components of a computer?
Power supply, motherboard, CPU, memory, disk drives, and adapter cards.
Which type of power supply is the most common on the market today?
Exchanging AC adapters between different laptops is safe.
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What is ESD and how can it affect computer equipment?
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What recommendations help prevent ESD damage?
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What does the term 'form factor' refer to in computer cases?
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Why is it important to follow electrical safety guidelines?
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What is the function of a power supply in a computer?
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Study Notes
Personal Computer Components
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Electrical Safety:
- Electrical devices have specific power requirements.
- Use the correct AC adapters for laptops to prevent damage.
- Printer power supplies contain high voltage so check the manual for safe handling.
- Follow electrical safety guidelines to prevent fires, injuries, and fatalities.
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ESD Safety:
- Electrostatic Discharge (ESD) occurs when a buildup of static electricity is discharged.
- ESD can damage computer equipment if not discharged properly.
- At least 3,000 volts are needed to feel ESD.
- To prevent ESD damage:
- Keep components in antistatic bags.
- Use grounded workbenches and mats.
- Use antistatic wrist straps when working inside computers.
PC Components
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Cases:
- Houses the internal components like the power supply, motherboard, CPU, memory, disk drives, and adapter cards.
- Form factor describes the physical design of a case.
- Common desktop computer form factors include:
- Horizontal Case:
- Full-Size Tower:
- Compact Tower:
- All-in-one:
- Some manufacturers may have their own naming conventions for form factors.
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Power Supplies:
- Convert AC power into lower voltage DC power needed for internal components.
- Common desktop computer power supply form factors include:
- AT: The original power supply for legacy computer systems.
- ATX: An updated version of the AT power supply.
- ATX12V: The most common power supply on the market.
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Description
Test your knowledge on personal computer components and safety practices. This quiz covers electrical safety, ESD safety, and the roles of various PC components. Improve your understanding of how to handle computer hardware securely.
