Information Technology Topic
Computer Health, Safety, and Generations
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- Flashcards
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Study focus - 3 things
- Computer health and safety reduces injury, strain, electrical danger, and damage to equipment
- Good posture, breaks, lighting, and tidy cables help make computer use safer
- Generations of computers show how computers changed over time
Section 1Health and posture
Computer health focuses on protecting the user. Sit with your back supported, feet on the floor, screen at a comfortable height, and wrists relaxed. Watch out: long computer sessions without breaks can cause eye strain and body aches.
Section 2Safety around equipment
Computer safety also protects people and equipment from hazards. Keep liquids away from computers, do not overload sockets, keep cables tidy, and report damaged plugs or wires. In a school lab, these rules help prevent accidents during class.
Section 3Safe work habits
Take short breaks, adjust brightness, use proper lighting, and keep the work area organised. Here's the trick: health and safety is not one rule; it is a set of habits that reduce risk.
Section 4Generations of computers
Generations of computers describe major stages in computer development. Early computers were very large and used vacuum tubes; later generations used transistors, integrated circuits, microprocessors, and more advanced technology. The thing to remember is that computers became smaller, faster, cheaper, and more powerful over time.
Examples
A student has back pain after using a computer for hours. Name two safer habits.
Use a supported sitting position and take short breaks. Good posture and breaks reduce strain.
A computer lab in Kingston has loose cables across the walkway. Why is this unsafe?
Loose cables are a tripping hazard and can also damage equipment if someone pulls them accidentally.
Now let's water it
Session runs notes to flashcards to quiz back-to-back.