Flashcards
pc basics
Cards in this deck (18)
- 1what is an input device?something that inputs a source
- 2what is a storage device?something that stores information or data
- 3what is the purpose of a power supply?it gives electricity around the computer
- 4what is the purpose of a computer case?it keeps all the parts toether
- 5what is the purpose of a motherboard?the motherboard messages around the computer
- 6what is the purpose of the processor?the processor is like the brain it controls the pc
- 7what is the purpose of the ram?the ram is the random access memory
- 8what is the purpose of the hard drive?the purpose of a hard drive is to store long term memory
- 9what is a repetitive strain injury and what causes it?it damages the fingers or wrists by repeated movement over a long period of time
- 10What is the cause of back injuries when using a computer?you get repetitive strain injury
- 11What is eye strain and what is the cause?it is caused from RSI when u stare at a computer screen for too long
- 12By law, what do employers have to provide for their employees? (in regards to working with computers)they have to have tilt able work screens, foot rest, breaks, hand rests and anti glow screens
- 13What is the purpose of ROM? -Stores a program used to boot up the computer. This is called the bootstrap loader
- 14What is the purpose of Binary?computers store and share data with 1s and 0s
- 15How many bits are in a Binary number?8 bits
- 16Know how to convert from Binary to Denaryyes
- 17Know how to convert from Denary to Binaryyes
- 18What 4 devices are needed to connect to the internet?service provider, modem, wireless router,computer
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- Flashcards on pc basics, created by Eimaan Shah on 19/12/2017.
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- Eimaan Shah
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