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Questions and Answers
What hardware component allows a player to control the movements of a cursor on a computer screen?
Which hardware device is used to measure voltage, current, and resistance?
What does NIC stand for in the context of computer hardware?
Which of the following components controls the allocation and use of programs and data that a computer uses?
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In computer terminology, what does LAN refer to?
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What is the correct precaution to take when connecting a cable connector?
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Why should you not hold the cable itself when handling a cable connector?
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What is the purpose of grounding or discharging yourself before touching any part of the computer?
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Why should you ensure that liquid substances are kept away from your working area or near computers?
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What is the correct way to handle components to protect them from Electrostatic Discharge (ESD)?
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Study Notes
Computer Hardware Components
- Hard-disk drive: a storage device that stores billions of characters of data on a non-removable disk
- Joy Stick: a hand-held control stick that allows a player to control the movements of a cursor on a computer screen or a symbol in a video game
- LAN Card: Local Area Network interface card
- Multi-tester: an instrument used to measure voltage, current, and resistance
- NIC (Network Interface Card): a PC expansion board that plugs into a personal computer or server and works with the network operating system to control the flow of information over the network
- Printer: a piece of hardware that produces a paper copy (also known as ‘hardcopy’) of the information generated by the computer
Networking and Operating System
- Network: a communications system connecting two or more computers
- Peers: any computer sharing the same protocol layer with another computer
- Operating System (OS): software that controls the allocation and use of programs and data that a computer uses
Safety Precautions
- Always ground or discharge yourself before touching any part of the computer
- Do not work alone, have someone nearby in case of accident or emergency
- Be careful with tools that may cause short circuits
- Always hold cable connectors by the handle, not the cable itself
- Wear rubber shoes when standing on the ground or concrete floor
- Ensure pins are properly aligned when connecting a cable connector
- Always power off and unplug the computer before working on it
- Keep liquids away from the working area or near computers
- Take contingency measures during workplace accidents, fire, and other emergencies
- Use personal protective equipment correctly
- Identify and minimize hazards in the workplace
- Protect computer components from damage caused by Electrostatic Discharge (ESD)
- Hold components by edges and avoid touching ICs
- Read and follow instructions on the manual carefully
- Avoid using excessive force if things do not quite slip into place
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Description
Test your knowledge on computer hardware components such as hard-disk drives, joy sticks, LAN cards, and multi-testers. Learn about the tangible parts of a computer system.
