type of display screens

Question 1

name 3 types of display screens

Answer 1

lcd
led
qled

Question 2

what is a lcd and give an example

Answer 2

liquid crystal display/ smartphone.laptop

separate backlight from the display

Question 3

what is led and give an example

Answer 3

light emitting diode. They make their own backlight

Question 4

what is a oled and give an example

Answer 4

oraganic light emitting diode. Oled produces its own light and are flexible

Question 5

what is a operating system

Answer 5

allos the hardware to communicate with the applications on a device

Question 6

what is gui

Answer 6

graphical user interface

Question 7

what is cli

Answer 7

command line interface

Question 8

what are the advantages and disadvantage of gui

Answer 8

easy to use/doesn’t need users to memories commands

very experienced programmers can find it slow/Needs lots of memory and processing power to handle graphics

Question 9

what are the advantages and disadvantage of cli

Answer 9

doesn’t need lots of processing power/experienced users can use it quickly

users need to spell and type correctly/ need to memories commands

Question 10

name all 4 user iteration method

Answer 10

touch and gesture/keyboard and mouse/voice

Question 11

what are the advantages and disadvantage of keyboard and mouse

Answer 11

people are familiar/shortcut keys used to navigate easier through HCI

overuse can lead to hand problems/hard to use on uneven surfaces

Question 12

what are the advantages and disadvantage of touch/gesture

Answer 12

fewer buttons are needed/ easy to use

some users with disability’s may not be able touch as easily/ may select incorrect action

Question 12

what are the advantages and disadvantage of voice

Answer 12

benefit disabled people/more natural form of communication

voice data could impact privacy/ misinterpretation of words