Flashcards
PC basics
Flashcards do conjunto (17)
- 1What is an input device?a device that gives an input to a computer system.
- 2What is an output device?An output device is any device used to send data from a computer to another device or user.
- 3what is a storage device?a storage device stores your information and documents.
- 4What is the purpose of a power supply?Just like your heart pumps blood around your body, the power supply pumps electricity around the computer.
- 5What is the purpose of the computer caseThe case of the computer holds everything together similar to the way your skeleton keeps your body together.
- 6what is the purpose of a motherboard?The motherboard is like your central nervous system. It sends messages to all of the components inside the computer like your nerves send signals to different parts of your body.
- 7What is the purpose of the Processor?The processor is like your brain, it’s where all the processes are carried out (like thoughts in your head.)
- 8What is the purpose of the RAM?Random Access Memory (RAM) is where the computer stores the current task that is being carried out. This is like your short term memory when you are thinking about what you are about to say of have just eaten.
- 9What is the purpose of the Hard Drive?The hard drive is where all of your documents, pictures, programmes etc. are stored on the computer, similar to all of the long term memories in your brain.
- 10What is a repetitive strain injury (RSI) and what causes them?Usually damage to the fingers and wrists caused by
repeated movements over a long period of time. - 11What is the cause of back injuries when using a computer?Usually due to poor posture or sitting in an awkward
position when using a computer. - 12What is eye strain and what is the cause?Usually caused by staring at a computer screen for a
long time. Particularly in poor light, in glare or with a flickering screen. - 13By law, what do employers have to provide for their employees?tiltable screens
anti-glare screen filters
adjustable chairs
foot supports
suitable lighting
workstations are not cramped
when working on a computer staff take frequent breaks
appropriate eye and eyesight tests by an optician - 14What is the purpose of Binary?it is how the computer stores information
- 15how many bits are in binary numbertwo
- 16what device do you need to connect to the internetcomputer
network interface card
router
modem - 17what is the purpose of ROM?stores a program used to boot up the computer. This is called the bootstrap loader
Informações
- Descrição
- FlashCards sobre PC basics , criado por Roms Smart em 04-10-2018.
- Criado por
- Roms Smart · out 2018
- Atualizado
- 30 out 2018
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- 1
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