Flashcards
Topic 9: Human Computer Interface
Cards in this deck (30)
- 1Define Human Computer InterfaceThe means by which there is interaction between human and computer
- 2What is the program designed to do?There should be standard feel to software which builds up user confidence. Use of colour friendliness will put user at ease but takes up a lot of RAM (use of graphical images)
- 3Develop Ability of the UserWho is going to use it? HCI's need to differentiated between technical and non-technical users
- 4Give an example for Command Line InterfaceMS DOS Expert using it to find info on network configuration or writing batch files to control users access to certain files or run start up programs
- 5Give 2 advantages for Command Line InterfaceFast to execute (run) and enter commands and more versatile as number of different switches can be used to moderate command.
Takes up less memory - 6Give 2 disadvantages for Command Line InterfaceNeed to know the command so only experts are able to use them
Users has to learn all commands which need to be typed & spelled correctly- irritating if inexperienced - 7Give an example of a GUIPrimary school child using maths program
- 8Give an Advantage of GUIEasy to use as you do not need to know commands/language good for inexperienced user e.g. children
- 9Give a disadvantages for GUIIncreased processing requirements compared to non graphical user interface
- 10Give an example for Menu Driven InterfaceBank ATM machine to take out money
- 11Give an advantage for menu driven interfaceSimple interface for all ages
- 12Give a disadvantage for menu driven interfaceOnly suitable when there are a few items as will become too crowded
- 13Give an example for Voice interfaceMobile phone voice controlled to dial phone number for a friend
- 14Give 2 advantages for Voice Interface - speech recognitionQuicker than typing in number. Hands free so quicker to dial.
- 15Give 2 disadvantages for Voice Interface- speech recognitionInterference from background noise Need time to train system - local/foreign accents may not be recognised, some words sounds the same i.e. two, too, to
- 16Give an example for the use of Graphical DevicesDrawing in CAD software
- 17Give an advantage for using Graphical DevicesWhole screen can be used as working area
- 18Give a disadvantage for Graphical DevicesNeed well developed skills to use it
- 19Give an example of a use for a Touch ScreenIn museums to allow children to gather informative and select more information from pictures of exhibits.
- 20Give 2 advantages of touch screensEasier to use as you do not have to type- speeds up use
Saves having to type- easier for disabled people - 21Give 2 disadvantages of touch screensScreen requires calibrating
Might not have all options needed - 22Give an example for biometricThumbprint recognition to take out library book at school
- 23Give an advantage of biometricIndividual/unique so difficult to copy
- 24Give 2 disadvantages for biometricTakes time to set up and expensive to implement
- 25Give an example for disabled devicesBraille Keyboard- specialised keyboard which moves pointer on screen, the blind can feel shape of character dots and type letters
- 26Give an advantage of disabled devicesBlind people are empowered and can access the technology
- 27Give 2 disadvantages of disabled devicesCost of specialist equipment and time taken for training
- 28Give an example of Game PlayingCall of Duty game
- 29Give an advantage for game playingResponsive to movement
- 30Give a disadvantage for game playingRequires other equipment e.g. headphones, mic to give truly real experience
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- AS IT Flashcards on Topic 9: Human Computer Interface, created by lauramyates3 on 26/04/2014.
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