System softwares

Question 1

What are the three types of user interface

Answer 1

Graphical user interface (GUI)
Mobile user interface (Mobile UI)
Command line interface

Question 2

What is graphical user interface

Answer 2

A desktop where everything is displayed, all apps are represented by icons, interact using a mouse and keyboard, PCs

Question 3

What is user interface

Answer 3

A program that allows the user to interact with the computer

Question 4

What is mobile user interface

Answer 4

They respond to touch, smart phones and tablets

Question 5

What is command line interface

Answer 5

Text-based, controlled by the user typing in commands

Question 6

When is multitasking possible

Answer 6

If the operating system can support multitasking
- The computer has enough memory to hold more than one program in primary memory at a time