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Cards in this deck (15)
- 1What is HCI?The human to computer interface is the boundary where the computer and the user meet
- 2How is HCI referred as?It is commonly referred to as user interface and it determines the way that the user interacts with the computer and gives instructions about what is wanted.
- 3What is a command-line interface?The users have to type instructions using a special set of words and symbols.
- 4What is a menu-driven interface?A menu of options that is displayed and the user selects one of them.
- 5What is a graphical-user interface?Few small pictures that are used to represent options that the user can select.
- 6What is voice interface?A microphone is used, into which the user speaks a command to the computer.
- 7What is a special interface?Such as: braille keyboards, “Concept keyboards” with overlays places on the keyboards, touch-sensitive screens, puff-suck switched and foot switches allow input for people with no arm movement.
- 8Advantages of command-line interface- Instructions execute quickly
- Instructions are versatile - meaning the user can select a large number of options for each instruction.
- The operating system s smaller when loaded into memory. - 9Disadvantages of a command-line interface- You need to learn the special instructions used.
- If you mistype an instruction or spell it wrong, then it cannot be executed.
- Some commands and their options can be very complex, so high-level ICT skills are needed. - 10Advantages of a Menu-driven interface- Navigation to find the option required is simple.
- You do not need to learn what instructions are available as they are displayed in the menu.
- User input is validated as only the options shown can be used. - 11Disadvantages of a Menu-driven interface- Some options in a menu may not mean anything to the user.
- It can be difficult to find options if there are many menus and sub-menus. - 12Advantages of a GUI- Only a low level of ICT skills is needed for the easy-to-use, intuitive interface.
- There is no need to learn any instructions.
- Pictures are more meaningful than words, so small children or people with reading problems can use this sort of interface.
- You can alter the way in which a GUI displays data to suit your own circumstances. - 13Disadvantages of a GUIIt is large and complex. It can take up a lot of a computer’s resources and may run slowly.
- 14Advantages of Touch-screens- Only a low level of ICT skills is needed to use it.
- There is little possibility of damage or theft.
- They can be used in environments where gloves are necessary and so a keyboard cannot easily be used. - 15Disadvantages of a Touch-screen- May become dirty or scratched and difficult to read.
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- Flashcards on Untitled, created by Stu6101-10 on 15/10/2014.
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