4200754
Description
Flashcards by smith.jai18, updated more than 1 year ago
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Created by smith.jai18
over 8 years ago
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| Question | Answer |
| What does BIOS stand for? | Basic Input Output System |
| How large is a Byte? | 8 bits |
| Why 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 |
| What 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 |
| What does CPU stand for? | Central Processing Unit |
| What do we use CPU for? | We use it to process data |
| What will more CPU's do? | It means that more instructions per second as the demand is split between the two of them |
| What is the 4 box model? | Input, Process, Storage and Output |
| What is a communication device? | A communication device is a piece of equipment or hardware designed to move information from one place to another. |
| What is the acronym for remembering the sizes of storage? | Big Naughty Boys Kicked My Granny Twice |
| What 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. |
| What does ROM stand for? | Read Only Memory |
| What does ROM do? | It holds the pre written instructions for booting up the computer |
| What is Cache? | It is memory that sits between the CPU and the main memory and acts like a buffer. |
| What is clock speed? | Clock speed is the rate of which instructions can be carried out. |
| What does cores refer to? | It refers to the amount of processors contained within a system. |
| What is a name of computer device designed for somebody with special needs? | Tracker ball |
| How 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. |
| Give two types of Secondary storage | Optical media and flash memory |
| In which secondary storage category does these storage devices go? Solid State Drive and Blu Ray | SSD goes in Flash memory and Blu Ray goes in Optical media |
| How is data stored in Magnetic Storage? | It is stored by different patterns being placed on the magnetised material. |
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