Flashcards
PC basics
Cards in this deck (20)
- 1What is an input device?An input device is an electronic device which allows users to communicate and feed instructions.
[mouse, keyboard, monitor] - 2What is an output device?An output device is something that can send data and information to another device.
[printer] - 3What is a storage device?A storage device is a piece of equipment where information can be stored.
[USB drive, CD, hard drive] - 4What is the purpose of ROM?Stores a program used to boot up the computer.this is called the bootstrap loader
STANDS FOR READ ONLY MEMORY - 5What is a power supply?The power supply provides electricity around the computer.
- 6What is the case of the computer?Then case of the computer holds everything together.
- 7What is a processor?A processor is where processes are carried out.
- 8What is a mother board?The motherboard is like your central nervous system. It sends messages to all of the components inside the computer.
- 9What is the purpose of RAM?RAM is where the computer stores the current task that has been carried out.
- 10What is a strain injury and what causes them?A gradual damage to muscles tendons and nerves from repetitive movement
e.g. using a mouse. - 11what is the cause of back injuries?causes back and neck pain muscles and strain injuries
caused by bad posture and sitting for long periods of time - 12what is eyestrain and what causes it?poor posture and glaring at a screen for a log time causes eyestrain.
- 13by law what do employers have to provide their employees in regards to working with computers.adjustable chairs
foot support
suitable lighting
work stations are not cramped - 14what is the purpose of binary?a binary code presents text computer processor instructions or any other data using a two symbol system.
there are only 2 symbols 0 and 1. - 15How many bits are in a binary number?there are only 8. 1,2,4,8,16,32,64,128
- 16know how to convert from binary to denary?01100100
01001110
10101001 - 17what device do you need to connect to the internet?network interface card
router
PC / computer
modem - 18what is an ISP?it is an internet service provider it provides internet access to companies.
- 19what is the internet?it is the network of networks.
- 20what is the purpose of
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- Flashcards on PC basics, created by Habiba Hussain on 26/09/2018.
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- Habiba Hussain
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