Flashcards
PC Basics
Flashcards do conjunto (17)
- 1What is an input device?An input device is a piece of computer hardware used for control.
- 2What is an output device?An output device is a something that might may be printed for real-life purpose.
- 3What is the purpose of a power supply?Provides power towards the computer
- 4What is the purpose of the computer case?It holds everything in the computer together.
- 5What is the purpose of the motherboard?It sends messages to all of the components inside the computer.
- 6What is the purpose of the Processor?Its where all the processes are carried out.
- 7What is the purpose of the Processor?It contains the current task being carried out.
- 8What is the purpose of the Hard Drive?The hard drive is where the data is stored. Where you store images or documents and also to retrieve digital information using more than 2 discs
- 9What 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. - 10What 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. - 11What 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. - 12By law, what do employers have to provide for their employees? (in regards to working with computers)It is now the law that any business makes sure the following are in place
for it’s 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
Task - 13What is the purpose of Binary?The purpose of it is for the computer to store data.
- 14How many bits are in a Binary numberIt has 8 bits
- 15Know how to convert from Binary to DenaryA set number and then add numbers up to create that particular number so the opposite of that for denary
- 16What devices do you need to connect to the internet?You need a PC, Network interface cards, modem and router.
- 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 Archie Jeanes em 26-09-2018.
- Criado por
- Archie Jeanes
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