WAEC Data Processing 2021 Theory question 104

Theory question 104

Computer Ethics and Safety

Paper 2, Section A: Short-structured questions
A certain business centre provides computer and internet services to the public. The owner is concerned that there is no restraint on consumption of food and drinks by the customers and also about possible health hazards to the computer users. (a) Give two safety precautions that must be put in place to protect the workstations in the business centre from foods and drinks. (b) State two ways the computers can be maintained to ensure efficiency in serving the customers. (c)(i) Name three possible health risks to the customers while using the computers in the centre. (ii) How can the risks in 4(c)(i) be reduced?

Show the model answer
Model answer

(a) Any two: put up a notice banning food and drinks at the computers; provide a separate eating area away from the workstations; use keyboard and equipment covers; have staff enforce the rule.
(b) Any two: clean the computers and keep them dust-free; scan regularly with updated antivirus; update software; use UPS/stabilisers; service hardware regularly.
(c)(i) Any three: eye strain; back and neck pain; repetitive strain injury (wrist pain); headache; electric shock.
(ii) Use anti-glare screens and good lighting and take breaks (eye strain); use adjustable chairs and sit upright (back pain); use wrist rests and correct keyboard height (RSI); keep cables safe and equipment earthed (shock).

Explanation

Match each health risk with a way to reduce it.