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Welcome to the The Computer MCQs Page

Dive deep into the fascinating world of The Computer with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of The Computer, a crucial aspect of Human Computer Interaction. In this section, you will encounter a diverse range of MCQs that cover various aspects of The Computer, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Human Computer Interaction.

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Check out the MCQs below to embark on an enriching journey through The Computer. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Human Computer Interaction.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of The Computer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

The Computer MCQs | Page 10 of 26

Explore more Topics under Human Computer Interaction

Q91.
What are some examples of environments that rely on large shared screens?

a.

Meeting rooms

b.

Lecture theatres

c.

Shops

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:Large shared screens are commonly found in meeting rooms, lecture theatres, shops, and garages.
Q92.
What technology is used in gas plasma displays?

a.

LCD

b.

CRT

c.

HDTV

d.

Gas plasma

Discuss
Answer: (d).Gas plasma Explanation:Gas plasma technology is used in gas plasma displays.
Q93.
What is the aspect ratio of HDTV (high definition television) wide screen format?

a.

4:3

b.

16:9

c.

1:1

d.

2:1

Discuss
Answer: (b).16:9 Explanation:The aspect ratio of HDTV wide screen format is 16:9.
Q94.
What is a video wall?

a.

A large flat bitmap display

b.

Several smaller screens placed together

c.

A projector with red, green, and blue lenses

d.

An LCD projector

Discuss
Answer: (b).Several smaller screens placed together Explanation:A video wall is created by placing several smaller screens, either LCD or CRT, together.
Q95.
What technique is often used in large concerts to display artists or video images?

a.

Gas plasma technology

b.

Video wall

c.

LCD projectors

d.

Splitting a single image across multiple screens

Discuss
Answer: (d).Splitting a single image across multiple screens Explanation:In large concerts, a single image can be split up by software or hardware to be displayed on multiple screens.
Q96.
What type of projectors are commonly used in smaller lecture theatres and small meetings?

a.

Gas plasma projectors

b.

CRT projectors

c.

LCD projectors

d.

HDTV projectors

Discuss
Answer: (c).LCD projectors Explanation:LCD projectors are commonly used in smaller lecture theatres and small meetings.
Q97.
How do LCD projectors create a full color image?

a.

They use red, green, and blue lenses.

b.

They scan light across the screen.

c.

They display separate images on each screen.

d.

They split a single image across multiple screens.

Discuss
Answer: (b).They scan light across the screen. Explanation:LCD projectors scan light across the screen to build a full color image.
Q98.
What is the purpose of the lens in a projector?

a.

To create a full color image

b.

To split a single image across multiple screens

c.

To focus the light onto the screen

d.

To display separate images on each screen

Discuss
Answer: (c).To focus the light onto the screen Explanation:The lens in a projector is used to focus the light onto the screen.
Q99.
What is one disadvantage of projected displays?

a.

Limited image size

b.

Poor image quality

c.

High cost

d.

Limited availability

Discuss
Answer: (a).Limited image size Explanation:One disadvantage of projected displays is that the size of the image is limited by the depth of the projection room behind, resulting in a smaller image.
Q100.
What is back projection?

a.

Projecting an image from the back of the screen

b.

Using a projector with reversed image settings

c.

Projecting an image onto a semi-frosted glass screen

d.

Projecting an image without distortion

Discuss
Answer: (a).Projecting an image from the back of the screen Explanation:Back projection involves projecting an image from the back of the screen, typically using a projector producing a right/left reversed image.
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