Flashcards
Computer Hardware
Flashcards do conjunto (21)
- 1What does BIOS stand for?Basic Input Output System
- 2How large is a Byte?8 bits
- 3Why do we use virtual memory?We use it to run more complex programs or store memory on the Hard disk when RAM is being fully used
- 4What will installing more RAM do?It will increase the performance of the computer as virtual memory will no longer have to be moved into the RAM making the computer quicker
- 5What does CPU stand for?Central Processing Unit
- 6What do we use CPU for?We use it to process data
- 7What will more CPU's do?It means that more instructions per second as the demand is split between the two of them
- 8What is the 4 box model?Input, Process, Storage and Output
- 9What is a communication device?A communication device is a piece of equipment or hardware designed to move information from one place to another.
- 10What is the acronym for remembering the sizes of storage?Big Naughty Boys Kicked My Granny Twice
- 11What is the difference between Static and Dynamic RAM?The difference is that Static RAM doesn't need to periodically refresh itself like dynamic RAM but is more expensive.
- 12What does ROM stand for?Read Only Memory
- 13What does ROM do?It holds the pre written instructions for booting up the computer
- 14What is Cache?It is memory that sits between the CPU and the main memory and acts like a buffer.
- 15What is clock speed?Clock speed is the rate of which instructions can be carried out.
- 16What does cores refer to?It refers to the amount of processors contained within a system.
- 17What is a name of computer device designed for somebody with special needs?Tracker ball
- 18How does a concept keyboard help somebody with special needs?It helps them because it is a simplified design of a keyboard and the images can help people with learning disabilities.
- 19Give two types of Secondary storageOptical media and flash memory
- 20In which secondary storage category does these storage devices go? Solid State Drive and Blu RaySSD goes in Flash memory and Blu Ray goes in Optical media
- 21How is data stored in Magnetic Storage?It is stored by different patterns being placed on the magnetised material.
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- Computer Hardware revision material
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- smith.jai18
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