Worksheetsvisual display output devices
Total questions: 5
Worksheet time: 3mins
Which statement best describes an output device?
a) It allows data to be entered into the computer.
b) It shows or presents information from the computer to the user.
c) It stores data permanently.
d) It controls the speed of processing
What technology do LCD screens use to display images?
a) Electron beams
b) Liquid crystals affected by electric fields
c) Magnetic ink
d) Laser light projection
A multimedia projector is mainly used for:
a) Entering data into the computer
b) Displaying large images or videos to an audience
c) Converting text into digital data
d) Storing multimedia files
Which of the following is a disadvantage of using multimedia projectors?
a) Images can sometimes be fuzzy
b) Can display large visuals
c) Allows many people to see the same screen
d) Helps avoid using multiple computers
Which type of screen technology is most commonly used in smartphones and tablets?
a) CRT
b) LCD
c) LED billboard
d) Plasma display
