Health and Safety
Which health problem does a flickering light on the computer screen is likely to cause?
Eye strain
Computer Vision Syndrome
What are the 2 categories of software?
System Software
Application Software
What does the acronym RSI stand for?
Repetitive Strain Injury
State two types of RSI (repetitive strain injury).
Carpal tunnel syndrome
Tendonitis
What are the 4 functions of a computer system?
Input
Processing
Output
Storage
What does the acronym CVS stand for?
Computer Vision Syndrome
List 3 computer related disorders/illnesses.
Repetitive Strain Injury
Computer Vision Syndrome
Carpal Tunnel Syndrome
Tendonitis
Lower back pain
Give 3 examples of input devices.
Input devices include keyboard, microphone, scanner, joystick (all the devices that are used to enter data into the computer).
What does the acronym CTS stand for?
Carpal Tunnel Syndrome
List 4 conditions that may be caused by Computer Vision Syndrome.
1. Headache.
2. Sore neck.
3. Burning eyes.
4. Itching eyes.
5. Difficulty focusing on the compurter screen.
Is hadware the same as software?
If not give two examples of each.
NO
Examples of software are Gogle Chrome, Microsoft Word, Google Docs, Windows 10.
Examples of hardware are printer, monitor, keyboard, mouse, speaker, CPU, flash drive, memory card.
What does the acronym CPU stand for?
Central Processing Unit
All computer users should apply and adapt appropriate health and safety practices while using a computer system.
Is this statement True or False?
If true, state at least 2 of them.
True
Use a comfortable, firm, and adjustable chair while using the computer.
Take approximately 5-10 minututes break during long computer sessions.
Classify following devices as input, output, storage, processing and communication.
Headphone, scanner, WhatsApp, memory card, CPU
Input - Scanner
Output - Headphone
Storage - Memory Card
Processing - CPU
Communication - WhatsApp
What do the acronyms RAM and ROM stand for?
RAM - Random Acess Memory
ROM - Read Only Memory