user interface

Question 1

What is user interface

Answer 1

User interface is a method by which the user and computer exchange information and instructions. it is the combination of Hard and software that allows a user to communicate with the computer system

Question 2

Through a user interface users are able to input values that will >

Answer 2

Respond to messages presented by the computer, control the computer, request information from the computer

Question 3

Three main types of user interface

Answer 3

Menu driven , command line, Graphical

Question 4

Touch screens

Answer 4

a device that allows data to be input by the touching the screen using a finger or other object

Question 5

specialized keyboards

Answer 5

have no pre-set keys. Each key can be programmed with a wide range of different functions
often used as quick and easy way to input items
the braille keyboard allows people whose sight is impaired to use the computer

Question 6

Command line .

Answer 6

allows the user to interact with the computer by typing in commands

Question 7

A menu consists of

Answer 7

3 main parts
title , the selection , the prompt