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10 Cards in this Set

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  • Back

What are the factors which will affect the type of user interface chosen?

User ability,


Range of input and output devices available,


Processor capability,


Memory capacity.

What does WIMP stand for? And what do these components do?



Windows- represent an active area of the computer screen-displays activity, maybe processing in a program -more than one window can be open at once.


Icons- small pictures graphically represent an application or activity.


Menus- presents a range of options and commands- used to group related options together. Types of menus include:


-Pop-up-represent shortcuts.


-Pull-down- represent a range of options and sub-menus.


Pointers- will move around the screen based on the movements of a peripheral device e.g tacker pad or mouse. Used to select an item on screen.

What is a CLI? And what are its features?

Command


Line


Interface


-Allows the user to type commands which the computer will execute.


-These commands are fixed in structure- syntax and limited to one line.


-Users require intricate knowledge- must know the commands

What is the advantage of using CLI over a WIMP interface?

- Complex or repetitive tasks can be accomplished


- An experienced user can operate it more easily.

What is a FDI? And what are it's features?

Forms


Dialogue


Interface


Forms are formatted dialogue screens containing a number of blank fields and corresponding prompts and labels.


-Response field- where the end user can enter a response


-Prompt- may appear for the end user a the position where the data entry is requires.


-Error Message- informs the end user of an error in the data entry process.

What are the Advantages and Disadvantages of FDI?

+Suitable for use when entering data into a database or when completing a ask using a wizard application.


+Fields can be easily validated using validation checks.


+Supports the user through the data entry process when entering data into a data base.




-Limits the data entry options available to the end users.

What are the Advantages and Disadvantages of WIMP?

+Suitable for less experienced users

What are the Advantages and Disadvantages of CLI?

+Suitable for experienced user who need to maximize processing capabilities of the computer.


+doesn't demand huge processing power and requires little computer memory



sound input

simple microphones