Unit 3 - HCI

Which is an example of a touch HCI

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Which is an example of a GUI HCI

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Which is an example of a biometric HCI

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Which is an example of a command line HCI

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Two advantages of a GUI is:

• It is intuitive

• Easy to navigate

• Requires a high level of skill to use

• Can be frustrating for expert users

Two disadvantages of GUIs are:

• Requires a large amount of memory

• GUIs take up a large amount of disk space

• Background noise may inter with speech recognition

• Can get lost navigating it

Two advantages of menu driven interfaces are:

• No need to learn lots of commands

• Little processing power needed

• Speech input is much faster

• Keyboard takes up a lot of room

Two disadvantages of menu driven interfaces are:

• Irritating if there are too many screens to work through

• Navigating can be a long process

• Very confusing for someone that has not learnt the language

• Not suitable for a novice

Two advantages of a Command Line Interface are:

• Quicker to type commands

• Little memory and processing power needed

• Easy to use

• No keyboard or mouse is required

Two disadvantages of Command Line Interface are:

• Difficult to select small items

• Screen can be scratched

• Not suitable for a novice

• A large number of commands need to be learned