- Using antiglare (radiation filter) screens that are specially tinted to reduce the radiation from the monitor or light that reaches the eye.
- Controlling light intensity by adjusting the brightness buttons on the screen
- Tilting the monitors so as not to face the user directly
- Wearing special spectacles when using computers in order to control the light intensity.
- Avoid using flickering monitors as they can cause extreme eye strain that can damage eyesight.
- Very bright wall paints reflect too much light into the user’s eyes.
- Taking frequent rests
Kavungya answered the question on June 5, 2019 at 09:31
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A school bought a computer system. The hardware items supplied include: a 800 MHz processor, 64 MB of RAM, a sound card, speakers, a monitor,...
(Solved)
A school bought a computer system. The hardware items supplied include: a 800 MHz processor, 64 MB of RAM, a sound card, speakers, a monitor, a keyboard, a 120 GB hard disk, a floppy disk drive, a CD – Read/ write drive, a mouse, a modem, an inkjet printer and a joystick.
The software supplied include: an operating system, a BASIC interpreter and the following packages: spreadsheets, graphics, word processor, art, database and games
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(b) Explain the meaning of the following
(i) 800 MHZ
(ii) 64 MB of RAM
(iii) 120 GB hard disk
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(i) Do calculations and draw graphs
(ii) Write an essay
(iii) Make a poster
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(ii) Which input device is only used for playing games?
Date posted:
June 5, 2019
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Answers (1)
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(Solved)
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Date posted:
June 5, 2019
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Answers (1)
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June 5, 2019
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June 5, 2019
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Date posted:
June 5, 2019
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(Solved)
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Date posted:
June 5, 2019
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Answers (1)
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Date posted:
June 5, 2019
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Answers (1)
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Date posted:
June 5, 2019
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(Solved)
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Date posted:
June 5, 2019
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Answers (1)
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Date posted:
June 5, 2019
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Date posted:
June 5, 2019
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Answers (1)
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(Solved)
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Date posted:
June 5, 2019
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June 5, 2019
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June 5, 2019
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June 5, 2019
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Date posted:
June 5, 2019
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(Solved)
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Date posted:
June 5, 2019
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Answers (1)
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State the stage of program development in which:
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(Solved)
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Date posted:
June 5, 2019
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Answers (1)
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Date posted:
June 5, 2019
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Answers (1)
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i) Draw a flowchart to compute the combined resistance (R) of two resistors R+1 and Ra=2 in parallel using the formula
ii) WRITE A PROGRAM USING...
(Solved)
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Date posted:
June 5, 2019
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Answers (1)