Flashcards
Untitled
Cards in this deck (16)
- 1What is an input device?A device that gives input onto a computer system
- 2What is an output device?A device that receives input and displays information
- 3What is a storage device?A storage device is something that stores information
- 4What is the purpose of a power supply?It pumps electricity around the computer
- 5What is the purpose of the computer case?The case of the computer holds everything together
- 6What is the purpose of the motherboard?It sends messages to all of the components inside the computer
- 7What is the purpose of the Processor?it is where all the processes are carried out
- 8What is the purpose of the RAM?Random Access Memory (RAM) is where the computer stores the current task that is being carried out
- 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
- 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 - 14What is the purpose of Binary?It helps transfer data
- 15How many bits are in a Binary number?8 bits
- 16What devices do you need to connect to the internet?Device, network interface card, router and modem
Information
- Description
- Flashcards on Untitled, created by Alex Vanicat-Smith on 18/10/2018.
- Created by
- Alex Vanicat-Smith · Oct 2018
- Updated
- Oct 30, 2018
- Views
- 0
- Rating