Get premium membership and access questions with answers, video lessons as well as revision papers.
Monitor display terminologies;
? Pixel ;stands for picture elements,are tiny dots which are used to form the images displayed on the screen ,in a colour monitor a pixel has the three primary colours namely red,green and blue.
? Colour depth;refers to number of colours which can be displayed by a pixel called colour depth.its measured in bits.
? Resolution;this is the number of pixel per inch on the screen usually given in dots per inch(dpi) or bits.the higher the resolution ,the more the number of pixels per square inch,hence clearer images.
? Refresh rate; since CRT’S cannot hold an image for a long time ,image in the video RAM is used to refresh the one on the screen as long as necessary if a screen has a low refresh rate,images tend to flicker hence causing eyestrain
? Display size ; is measured in inches as the diagonal length of the screen, measured from top right to bottom left.
Softwaretech answered the question on May 1, 2019 at 09:59
- What are factors to consider when purchasing a printer?(Solved)
What are factors to consider when purchasing a printer?
Date posted: May 1, 2019. Answers (1)
- State and explain the activities done during data processing phase(Solved)
State and explain the activities done during data processing phase
Date posted: May 1, 2019. Answers (1)
- Give the rules which must be followed when entering the computer room.(Solved)
Give the rules which must be followed when entering the computer room.
Date posted: April 24, 2019. Answers (1)
- Describe the protection measures against fire and accidents in a computer laboratory(Solved)
Describe the protection measures against fire and accidents in a computer laboratory.
Date posted: April 24, 2019. Answers (1)
- To prevent unauthorized access to the computer room, which control measures should be implemented?(Solved)
To prevent unauthorized access to the computer room, which control measures should be implemented?
Date posted: April 24, 2019. Answers (1)
- List the facilities that can ensure proper ventilation in a computer room(Solved)
List the facilities that can ensure proper ventilation in a computer room
Date posted: April 24, 2019. Answers (1)
- Explain the dust control process in a computer laboratory.(Solved)
Explain the dust control process in a computer laboratory.
Date posted: April 24, 2019. Answers (1)
- Explain the dump control process in a computer laboratory(Solved)
Explain the dump control process in a computer laboratory.
Date posted: April 24, 2019. Answers (1)
- Give the precautions necessary when handling of materials and equipment in a computer laboratory(Solved)
Give the precautions necessary when handling of materials and equipment in a computer laboratory
Date posted: April 24, 2019. Answers (1)
- Explain the considerations for standard furniture and posture in a computer laboratory(Solved)
Explain the considerations for standard furniture and posture in a computer laboratory.
Date posted: April 24, 2019. Answers (1)
- Outline the laboratory layout.(Solved)
Outline the laboratory layout.
Date posted: April 24, 2019. Answers (1)
- Explain how special care should be given to your vision.(Solved)
Explain how special care should be given to your vision.
Date posted: April 24, 2019. Answers (1)
- Write the following acronyms in full.
i) BIOS
ii) POST (Solved)
Write the following acronyms in full.
i) BIOS
ii) POST
Date posted: April 24, 2019. Answers (1)
- Give the proper shut down procedure required before switching off the computer.(Solved)
Give the proper shut down procedure required before switching off the computer.
Date posted: April 24, 2019. Answers (1)
- Explain the cursor positioning keys.(Solved)
Explain the cursor positioning keys.
Date posted: April 24, 2019. Answers (1)
- What is the work of a control key?(Solved)
What is the work of a control key?
Date posted: April 24, 2019. Answers (1)
- What is the work of escape Key in a computer keyboard?(Solved)
What is the work of escape Key in a computer keyboard?
Date posted: April 24, 2019. Answers (1)
- List the typing rules to observe when using a keyboard.(Solved)
List the typing rules to observe when using a keyboard.
Date posted: April 24, 2019. Answers (1)
- Give the rules to observe when using a mouse.(Solved)
Give the rules to observe when using a mouse.
Date posted: April 24, 2019. Answers (1)
- Explain the procedure of drag and drop.(Solved)
Explain the procedure of drag and drop.
Date posted: April 24, 2019. Answers (1)