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ICT INFO1 Mock Revision Questions

Terms in this set (42)

List 3 health risks associated with the use of computers
RSI (Repetitive Strain Injury), Eye strain, Stress
Name five precautions a computer user might take to prevent health problems when working on computers
Take regular breaks (stretch & refocus eyes)
Adjust chair to suitable height and use the backrest
Use a wrist rest
Use a foot rest if appropriate
Tilt and swivel the screen to prevent reflection / glare
Define RSI
It is the inflammation of the joints and muscles due to small repetitive movements over a long period of time. It causes extreme pain in the back, neck, wrists & hands and can also cause headaches.
Give the name of the health & safety regulations which cover working with display screens.
The Health & Safety (Display Screen Equipment) Regulations 1992
Give two design features that the screen the employee uses should have to minimise health problems
It should tilt and swivel
Be at an appropriate height for the user
Display a stable image with no flickering
Have a brightness and contrast control
Be free from reflections
Be of an appropriate size for the software being run
You are designing an IT system for use by other people, describe two things that you can do to ensure that the user interface is not frustrating to use.
Logical menu layout to reduce the number of mouse clicks
The software is bug free and does not cause computer to crash or freeze
Icons and screen controls are grouped together to reduce mouse movement
Music or animations can be switched off
Macros to automate repetitive tasks / Keyboard short-cuts are available for advanced users
Use of muted colours / large clear fonts / selectable font sizes
Help screens give step by step instructions
Define a client
The person who needs a solution to a problem
Define a user
The person that will update / use / administer the system
Define an 'audience' for an IT system
The people that will only view / look at the system
Define: Input
is the act of ENTERING data into a computer system
Define: Process
action(s) performed on the input data to convert it into information & make it meaningful and useful to the user
Define: Output
is information displayed / shown / presented to the user in a meaningful form
How do you investigate the needs of the client?
Interview, observation, analyse existing documents, questionnaires
How would you design software to accommodate a novice user?
Provide; on screen help, wizards (step by step guidance through a task), tutorials.
How would you design software to accommodate an advanced user?
Short-cut keys, ability to switch off unwanted help, automate repetitive tasks (macros).
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