State three features of fifth generation computers.
Features of fifth generation computers
Headache, back and neck pain may result from the use of computers.
State how each of them can be minimised.
State the hardware technological differences between the second generation and the third generation computers
State the hardware technological differences between the second generation and the third generation computers. (2 marks)
State two ways of ensuring proper ventilation in a computer room. (2 marks)
State two advantages of using portable computers.
Advantages of portable computers
State two circumstances under which warm booting of a computer may be necessary.
Reasons for warm booting a computer
Differentiate between analogue data and digital data as used in computers. (2 marks)
State three functions of Un-uninterruptible Power Supply (UPS). (3 marks)
Functions of the UPS
Explain two health issues that could arise from the use of an unsuitable computer desk.
State two reasons for the increased use of laptop computers in government offices. (2 marks)
Reasons for the preference for laptops.
State four characteristics which make computers better than human beings.
State two reasons why it is necessary to use standard furniture in a computer laboratory.
A computer teacher put a rule that diskettes should not be used in the computer laboratory
(a) Give a reason for the rule
Name four toggle keys on a standard computer keyboard
Threats to the safety of computer systems take many forms such as: White- collar crime, natural, disasters, vandalism and carelessness.