Human Computer Interface (HCI)

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Describe in detail, three factors, other than layout appropriate to A good Human Computer Interface (HCI) is vital for an informa on system to work well. Other than layout
task, using different examples that should be taken into account appropriate to task, describe four factors which should be taken into account then designing a good HCI. Explain why
when designing a good HCI. (6) (June 2011) each factor is important. (4x2) (Jan 2012)
Consistency of signpos ng and pop up informa on e.g. Every Consistency of signpos ng and pop up informa on: e.g. Every `Next' should be in the same place using the same
`Next' should be in the same place using the same icon icon.
Clear naviga onal structure e.g. It speeds things up if there is a Clear naviga onal structure: e.g. It speeds things up if there is a similar route through the programs (if it is clear) as
similar route through the programs (if it is clear) as users do not users do not have to keep learning things
have to keep learning things) Exper se of the user/ ability of user / difference between novice and expert user. An expert user will need shortcuts
Exper se of the user/ ability of user / difference between novice so that the task can be completed as quickly as possible whereas a novice will need a number of steps to guide them.
and expert user An expert user will need shortcuts so that the Customisable to suit the needs of the user: e.g. makes it more efficient if the user can change items to suit their
task can be completed as quickly as possible whereas a novice work preference.
will need a number of steps to guide them.
Describe the factors that should be taken into account when
designing an appropriate layout of an HCI that would be used by
a young child learning how to read. (4) (June 2011)
Have a minimum amount of text on screen
Use bright colours to a ract the child's a en on
Have an unclu ered appearance
Visual prompts e.g. pictures of a cat
As computer systems have become more complex the interface has become increasingly important.
Other than differen a on between user exper se, describe four factors that should be taken into
account when designing a good human computer interface and for each factor describe why it is As computer systems have become more complex the interface has become increasingly
important. (8) (Jan 2011) important. Other than differen a on between user exper se, describe four factors that should
be taken into account when designing a good human computer interface and for each factor
describe why it is important. [8] (Jan 2011)
Consistency of signpos ng and pop up informa on e.g. Every `Next' should be in the same place
using the same icon Consistency of signpos ng and pop up informa on: e.g. Every `Next' should be in the same
Clear naviga onal structure e.g. It speeds things up if there is a similar route through the programs place using the same icon.
(if it is clear) as users do not have to keep learning things / Helps users learn their way around the Clear naviga onal structure: e.g. It speeds things up if there is a similar route through the
system. programs (if it is clear) as users do not have to keep learning things
Customisable to suit the needs of the user e.g. Makes it more efficient if the user can change items Exper se of the user/ ability of user / difference between novice and expert user. An expert
to suit their work preference. user will need shortcuts so that the task can be completed as quickly as possible whereas a
House Style/Ethos (Not Consistent Layout) novice will need a number of steps to guide them.
e.g. So that it conveys who the organisa on is and all the company docs look/feel the same. Customisable to suit the needs of the user: e.g. makes it more efficient if the user can change
items to suit their work preference.

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