استمتع يا طة it3

Which one of the following contributes to a good working environment for a computer operator?

Locating the PC close to a printer
Elbow and wrist support
High level of contrast between the screen brightness and other lighting.
Direct light shining on the monitor.

You can reduce the risk of eye-strain by one of the following actions:
Increase the contrast between screen and room lighting.
Using an anti-glare filter on your monitor.
Reducing your monitor's color depth setting.
Positioning the screen with a window behind it.

A PDA which has been backed-up but not password protected-has been stolen. Which one of the following consequences may result?

Loss of the right to use the software that came with the PDA
Time wasted on re-entering all the records in a replacement PDA
Misuse of confidential files and telephone numbers
Loss of contact details on the stolen PDA.

Which one of these actions demonstrates poor health and safety practice?
Installing too much software on a computer.
Leaving power cables unsecured.
Turning off the power without first shutting down the PC.
Running several applications at the same time.


Which one of the following statements about copyright us true?
You give up your copyright to text that you publish on the Internet.
You can re-use downloaded graphics in any way.
Scanned images are subject to copyright.
When you purchase software, the copyright transfers to you.

Which one of these actions demonstrates poor health and safely practice in the use of computer?

Touching internal parts of the PC.
Running several applications at the same time.
Only using single power socket for each PC.
Using out-of-date software.