Flashcards
PC Basics
Flashcards do conjunto (17)
- 1What is an input device?An input devices is an electronic device that allows users to communicate and feed instructions.[mouse]
- 2What is an output device?An output device is something that can send data from one computer to another device.
- 3What is a storage device?A storage device is a piece of equipment on which information can be stored.
- 4What is the purpose of a power supply?The power supply pumps electricity around the computer.
- 5What is the purpose of the computer case?The computer case holds everything together like the skeleton holds your body together.
- 6What is the purpose of the motherboard?The motherboard is your central nerve system,it sends messages to all of the components.
- 7What is the purpose of the processor?The processor is like your brain its where all the processes are carried out.
- 8What is the purpose of RAM ?RAM is where the computer stores the current task that has been carried out.
- 9What is the purpose of a hard drive?A hard drive is where all of your documents,pictures and other things can be stored.
- 10What is the purpose of ROM?ROM stores a program used to boot up the computer. This is called the bootstrap loader.
- 11What is a strain injury and what causes them?A gradual damage to muscles tendons and nerves from repetitive movement e.g using a mouse.
- 12What is the cause of a back injury?When you lean over and look at your device for so long because your back is used to staying there and when you get up it will hurt.
- 13what is the cause of eye strain and what is it?eye strain is when your eyes hurt after looking at a devise for so long.
- 14by law what do employers have to provide their employees in regards to working with computers?tiltable screens
foot supports
adjustable chairs
suitable lighting
work stations are not cramped
anti-glare eye filters - 15what is the purpose of binary?a binary code presents text computer processor instructions or any other data using two a system system they are only 2 symbols 0 or 1
- 16how many bits are in a binary number?there are only 8. 1,2,4,8,16,32,64,128
- 17What device do you need to connect to the internet?PC/Computer
Network interface card
Router
Modem
Informações
- Descrição
- FlashCards sobre PC Basics, criado por Abby Hide em 26-09-2018.
- Criado por
- Abby Hide
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