Flashcards
Sem título
Flashcards do conjunto (18)
- 1what is an input device?an input device could be a mouse because it inputs into to computer because if u click with the mouse that inputs into the computer.
- 2what is an output device?an output device could be a printer because after you've clicked "print" on the computer is outputs what you've printed.
- 3what is a storage device?a storage device could be a memory stick because you insert it into your computer and it monitors that and then it hold more storage.
- 4give an example of an input, output and process deviceinput device- keyboard, mouse. output device- scanner, monitor, printer. process, processes what you type.
- 5what is the purpose of a power supply?a power supple sends electricity around the computer like your heart pumps blood around your body.
- 6what is the purpose of the computer case?the computer case holds everything gin the computer together just like your skeleton hold our body together
- 7what is the purpose of a motherboard?a mother board sends messages to all of the components in the computer just like our central nervous system.
- 8what is the purpose of the processor?the processor is where all the processes are carried out like the brain and the thoughts in your head.
- 9what is the purpose of the RAM?the RAM stores all the current information that is being used similar to the short term memory when thinking a bout something we did or said recently.
- 10what is the purpose of the ROM?it stores a programme used to boot up your computer this is called the bootstrap loader.
- 11what is the purpose of the hard drive?its where things like your documents, pictures, programs etc are stored i stores the important things. like our long term memories in our brain.
- 12what is the repetitive strain injury and what causes them?damage to the fingers and wrists. caused by repetitive movements over a long period of time..
- 13what is the cause of back injuries when using a computer?due to pore posture or sitting in an awkward position when using a computer.
- 14what is eye strain and what is the cause?caused by staring at a computer for too long particularly in poor light or with a flickering light.
- 15by law what do employers for there employees?anti-glare screen filters, stable chairs, foot support, suitable lighting, work stations not cramped.
- 16what is the purpose of binary?A binary code represents text, computer processor instructions, or other data using any two-symbol system, but often the binary number system's 0 and 1.
- 17how many bits are in a binary number?there are 8 bits in a binary number.
- 18what 4 devices are needed to connect to the internet?a PC, router, Modem and internet service provider are needed to connect to the internet.
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- FlashCards sobre Sem título, criado por Ruby Craig em 09-01-2018.
- Criado por
- Ruby Craig · jan 2018
- Atualizado
- 9 jan 2018
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