Topic 9 - User Interfaces Flashcards

1
Q

What is a User Interface?

A

The user interface is a core part of the operating system

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2
Q

What does the user interface allow?

A

It allows the user to interact with the computer system and is the part of the software that has a huge impact on a user in terms of useability.

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3
Q

What is a command line interface allow (CLI) ?

A

This allows users to interact with the computer by typing in commands in response to prompts displaying on the screen

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4
Q

State 2 advantages of Command line interface (CLI) ?

A

Experience users find it quicker to complete tasks

Requires far less memory and processing power than GUIs to run.

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5
Q

What are disadvantages of Command line interface (CLI) ?

A

Requires knowledge of the specific commands for performing functions

Learning so many commands can be intimidating for inexperience users

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6
Q

What does Command line interface use?

A

Command line interface use a simple text-based screen to provide interaction

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7
Q

How does the user interact on the device ?

A

User interact with the device by controlling a pointer or touch screen to select icons and menus displayed on screen.

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8
Q

What are GUIs widely used for?

A

GUIs are widely used on devices form PCs to smartphones

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9
Q

What are the 3 advantages of Graphical user interface?

A

This is simple intuitive methods of interacting is easy for beginners to use

It doesn’t require users to learn any commands to perform tasks

There are usually options to adapt the interface acording to an individual user’s needs, for example by using screen magnifiers or changing the colours or font sizes

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10
Q

What are the 2 disadvantages of Graphical user interface?

A

It is often resource intensive, requiring a lot of processor power and memory

Experience users can find it fustrating to complete tasks they could perform in a CL with one command

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11
Q

How to users interact with Menu-based interfaces?

A

Users interact by using a simple menu taht presents options to choose from.
An example is an ATM screen

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12
Q

What are the 3 advantages of Menu-based interface?

A

The limited number of options makes it easy to use

It is often possible to figure out how to perform tasks without any instructions

They can include options to adapt the interface for individual user’s needs
for example - by providing speech outputs or a large font size

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13
Q

What is the disadvantage of Menu-based interface?

A

Performing tasks can be slow and fustrating where many levels of options must be traversed

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14
Q

What do Menu-based interfaces offer?

A

Menu-based interface offer simple options to provide interaction

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