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A school has been advised to employ a database administrator. State three responsibilities of this personnel in the school.
(b) Explain two ways in which computers can be used in the transport industry.
(c) Mary was advised to partition a hard disk for her computer. Explain two reasons that may have necessitated this. (d) Explain a reason for conducting each of the following studies in systems development: (i) Schedule feasibility; (ii) Technical feasibility.
RESPONSES
a) Possible responsibilities of a database admin in a school
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State two ways through which a computer user can minimise Repetitive Strain Injuries (RSI) associated with the use of a computer.
A computer technician has observed a lot of dust on computers in the computer laboratory.State three precautions that need to be put in place to avoid this.
Describe each of the following computer cables: Parallel cable and Serial cable;
Description of computer cables
a) Parallel cable
The management of an organisation intends to purchase a printer. State three factors that they should consider during the purchase
Factors to consider when purchasing a printer
State three characteristics of mainframe computers.
Characteristics of mainframe
State three features of fifth generation computers.
Features of fifth generation computers
Explain three ways in which an operating system provides data security in a computer system14/1/2021 Explain three ways in which an operating system provides data security in a computer system
Access control:
(b)State two instances where observation is not a viable method of gathering data during system analysis stage.
I. repeater
I. Identify the component labelled P.
Explain two health issues that could arise from the use of unsuitable computer desk.
(i)Name two devices that may be used for storing data for a long duration.
The C directory of a computer has folders named Form 1, Form 2,Form 3 and Form 4. Each class has students' folders named according to their admission number. The students created their own folder for subjects they are studying based on the table shown below:
(a) A form four student intends to create a folder named proj to store project documents.
State the path for the project folder.
(i) work is not lost in case the hard disk fails;
Headache, back and neck pain may result from the use of computers.
State how each of them can be minimised.
Headache
State the functions of each of the following keys on the computer keyboard:
(a) backspace;
State the hardware technological differences between the second generation and the third generation computers. (2 marks)
the honeywell 200 was an example of 2nd generation computer
State two ways of ensuring proper ventilation in a computer room. (2 marks)
 State the meaning of the term disk defragmentation as used in computers.
(a) generating receipts where carbon copies are required;
(b)an architectural drawing where precision is required; (c) producing document output for a visually impaired person.
(a)Carbon copies - impact printers e.g. dot matrix.
(b)Architectural design - plotter (c)Visual impairment - speakers/brailles 
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