G8_ICT_1.3_Cambridge IGCSE_Graham Brown&David Wats

To enable computer systems to function and to allow users to communicate with computer systems, special software

• OS

• RAM

• ROM

• SSD

Operating systems offer various types of user interface.

Which one is not inclue?

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

• central prossing unit

Requires a user to type in instructions to choose

options from menus, open software, etc

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

The user has to learn a number of commands just to carry out basic operations.

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

The user is in direct communication with the

computer.

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

Sample of

• command line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

Allows the user to interact with a computer using pictures or symbols (icons)

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

Example of

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

Users are programmer, analyst or technician;

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.

Users are :

end-user who does not have to (or does not need to) have any great knowledge of

• command-line interface (CLI)

• graphical user interface (GUI)

• dialogue-based user interface

• gesture-based user interface.