Flashcards
PC Basics
Flashcards do conjunto (16)
- 1What does a storage device actually do?A storage device holds data files of anything you do on a computer.
- 2What does an input device actually do?An input device receives a signal and sends another signal to a computer.
- 3What is the purpose of a power supply?The power supply sends electricity around the computer.
- 4What is the purpose of the computer case?The case of the computer holds everything together.
- 5What is the purpose of the motherboard?The motherboard sends messages to all of the components inside the computer.
- 6What is the purpose of the Processor?The processor is where all the processes are carried out in the computer.
- 7What is the purpose of the RAM?Random Access Memory (RAM) is where the computer stores the current task that is being carried out. It is also volatile.
- 8What is the purpose of a hard drive?The hard drive is where all of your documents, pictures, programmes etc. are stored on the computer.
- 9What is the purpose of ROM?ROM stands for read-only memory. It's used to store the start-up instructions for a computer.
- 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? (in regards to working with computers)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?The purpose of Binary is the way data files are stored in a computer.
- 15How many bits are in a Binary number?There are 8 bits a binary number.
- 16What devices do you need to connect to the internet?PC/Computer, Network Interface Card, A Router and A Modem
Informações
- Descrição
- Year 7 Computing FlashCards sobre PC Basics, criado por Ryan Hutton em 26-09-2018.
- Criado por
- Ryan Hutton
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