Providing user interfcae

Question 1

examples

Answer 1

• allows copying/deleting/moving/sorting/searching of file or folders
• allows access to system settings such as hardware

Question 2

GUI

Answer 2

allows users to interact
with a computer system through graphical icons.

WIMP

Question 3

Menu-driven interface

Answer 3

presenting the user with a series of menus, and allowing the user to work
through them.

Question 4

Advantages to GUI

Answer 4

• Intuitive
• Easy to navigate
• No complicated commands

Question 5

Advantages to Menu-driven interface

Answer 5

• No need to learn a lot of commands
• Intuitive/easy to understand
• Easy to navigate

Question 6

Disadvantages to GUI

Answer 6

Requires a large amount of memory
* Is relatively processor intensive
* Computing experts may find a GUI slower
than a CLI

Question 7

Disadvantages to Menu-driven interface

Answer 7

Irritating if there are too many menu screens to
work through – users get annoyed or bored if it
takes too long
* Navigating can be a long process

Question 8

Advantages to Voice-driven interface

Answer 8

Speech input is much faster than keyboard
input
* No need to learn to type
* Less danger of RSI (repetitive strain injury)

Question 9

Advantages to Command line interface (CLI)

Answer 9

Quicker to type commands
* Quicker to input commands as shortcut keys
can be used
* Little memory and processing power needed
compared with other interfaces

Question 10

Advantages to Touch sensitive interface

Answer 10

Very intuitive
* Easier to use as the user simply touches what is
seen on the display
* No keyboard or mouse is required

Question 11

Voice-driven interface

Answer 11

voice recognition, can be used to issue
commands to a computer system and enter data into it.

Question 12

Command line interface (CLI)

Answer 12

an entirely text-based interface
that allows a user to communicate with a computer system by
typing in commands.

Question 13

Touch sensitive interface

Answer 13

Commands are issued or data is input
by touching the screen with your finger or a stylus pen.

Question 14

Disadvantages to Voice-driven interface

Answer 14

Background noise interferes with speech
recognition
* If user has a speech impediment, a sore
throat, a cold or a strong accent, they will not
be understood
* Users with a disability that prevents speech
would ne

Question 15

Disadvantages to Command line interface (CLI)

Answer 15

Very confusing for someone who has never
used a command line interface
* Commands have to be typed precisely. If
there is a spelling error the command will fail
* A large number of commands need to be
learned

Question 16

Disadvantages to Touch sensitive interface

Answer 16

Screen can be easily damaged/scratched
* Dirty screens are difficult to read
* Users must be within arm’s reach of the display