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19 Cards in this Set
- Front
- Back
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what does CPU stand for?
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Central Processing unit
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How many things can 1 computer do at a time
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Only one thing at a time, although it goes so fast you wouldnt notice
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Name the order of of the standered process that makes processing possible
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Fetch - Decode - Execute
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Where is most data stored.
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The Hard Drive
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what makes the peformance in a cache better
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The size of the cache changes the peformance of the cache
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What peforms the maths of the computer
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The arimthmetic.
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Briefly explain what happens during the ‘Decode’ part of the Fetch-Decode-Execute Cycle.
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The CPU decodes the instruction that it has just fetched in the first part of the cycle using the instruction set
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What are the three main parts to the CPU?
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1. The Control Unit
2. The Immediate Access Store 3. The Arithmetic and Logic Unit. |
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What would be an average speed for a clock in a home PC.
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3 Gigahertz (3 GHz)
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How many instructions per second would this allow the CPU to process?
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Three thousand million instructions per second.
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What is cloud storage
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memory held on a some servers and not on your pc
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what is an cache
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A memory unit that is faster than a hard drive but more expensive and smaller
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What is the average size for a hard disk drive in a modern desktop pc?
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600gb-1Tb
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How big is 1 terabyte (1tb)
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1000 Gigabytes (gb)
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What are the 2 types of cache memory?
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Type 1-Faster and smaller
Type 2- |
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What are the first 6 units of pc storage?
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Bit,
Nibble Byte Kilobyte Megabyte gigabyte Terabyte |
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How many gigabytes does windows use?
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around 1.5
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What is RAM
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ram or random access memory is short term PC memory, the more you have the more it allows for more processes to be undertaken at once.
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How much would a 1TB hard drive cost?
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Aroumd £50 but a 1tb SSD would cost £500
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