WorksheetsDigital Literacy Quiz (Advanced)
Total questions: 19
Worksheet time: 20mins
Which type of projector uses a lamp and mirrors to project an image onto a screen?
Overhead Projector (OHP)
Digital LED Projector
3D Projector
Pico Projector
What is the primary difference between LCD and LED screens?
LED screens use liquid crystals, while LCD screens use LEDs for backlighting.
LED screens have higher energy efficiency and better brightness than LCD.
LCD screens are thinner than LED screens.
LED screens are cheaper than LCD screens.
Which type of printer is most commonly used for high-quality color printing?
Dot Matrix Printer
Inkjet Printer
Laser Printer
Thermal Printer
What does a graphic plotter primarily do?
Print digital photographs.
Draw large-scale and precise graphics like architectural plans.
Project images onto a wall or screen.
Convert text into audio.
What does 'plasma' in plasma screens refer to?
A type of liquid crystal.
Ionized gas used for producing light.
Solid-state backlight technology.
Plasma coating on the screen.
Overhead projectors use (a) to enlarge and display text or images on a screen.
Plasma screens are better suited for (a) environments due to their high contrast ratio.
A (a) printer uses powder toner to print documents and is known for its speed.
A (a) machine is used to send documents electronically over telephone lines.
(a) are used to enhance audio output from digital devices such as projectors and computers.
LCD screens provide better contrast than plasma screens.
True
False
A digital graphic plotter is capable of creating 3D models.
True
False
Inkjet printers are more economical than laser printers for large-volume printing.
False
True
Fax machines can only transmit black-and-white documents.
True
False
LED screens consume less power compared to plasma screens.
True
False
Explain the working principle of an overhead projector.
How do LED and LCD screens differ in terms of technology and applications?
Describe a use case where a graphic plotter is essential.
Why are plasma screens not commonly used in modern displays?
