Flashcards
assessment flashcards part 2
Cards in this deck (9)
- 1what is a repetitive strain injury? what causes them?strain injury is damage to your fingers and wrists it happens after repetitive movement over a long period.
- 2what is the cause of back injury when using a computer?due to poor posture or awkward sitting position.
- 3what is eye strain and what is the cause?eye strain is when your eyes are damaged when looking at the screen for long period of time.
- 4what do the employers have to do for they employees?they have to have tiltable screens and anti-glare filters. suitable lighting, workstations are not cramped, take breaks, eyesight tests by optician.
- 5what is the purpose of the binary?is for the computer to process information in its own language.
- 6How many bits are in a Binary number?8
- 7Know how to convert from Binary to Denary.To convert binary into decimal is very simple and can be done as shown below: Say we want to convert the 8 bit value 10011101 into a denary value; we can use a
formula like that below:

As you can see, we have placed the numbers 1, 2, 4, 8, 16, 32, 64, 128 (powers of two) in reverse numerical order, and then written the binary value below. - 8kow hot to convert denary to binary.To convert binary into decimal is very simple and can be done as shown below: Say we want to convert the 8 bit value 10011101 into a denary value; we can use a
formula like that below:

As you can see, we have placed the numbers 1, 2, 4, 8, 16, 32, 64, 128 (powers of two) in reverse numerical order, and then written the binary value below. - 9what devices do you need to connect to the internet?PC/ computer,
network interface card,
rooter,
modem
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- Flashcards on assessment flashcards part 2, created by Juwayriyah Mir on 12/10/2018.
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- Juwayriyah Mir
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