Term
| Fetch (Decode-Execute cycle) |
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Definition
| The CPU fetches data from the RAM and then stores it in temporary memory areas called registers. |
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Term
| (Fetch) -Decode- (Execute cycle) |
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Definition
The CPU makes sense of the instructions.
CPUs are designed to understand specific set of commands (different to every CPU), these are called the Instruction set. |
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Term
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Definition
| The purpose of the CPU is to process data. It is where all the searching, sorting, calculating and decision making takes place in the computer. |
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Term
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Definition
| This is when the data processing takes place. The instructions are executed. |
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Term
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Definition
1. It controls and monitors the hardware attached to the system to make sure that the commands given to it by the application software are used.
2. It controls the input and output of data so that the signals go to the right place at the right time.
3. It controls the flow of data within the CPU. |
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Term
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Definition
| Immediate Access Store better because Backing Storage, such as the hard disk, is much too slow to be able to run applications directly. |
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Term
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Definition
Arithmetic Logic Unit
Arithmetic part - it performs the calculations on the data.
Logic part - this deals with logic and comparisons. |
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Term
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Definition
the cycles per second e.g. 13.6 GHz
Only one instruction can be processed at a time. |
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Definition
| gets hotter and uses more power = costs more money to run |
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Definition
| when you can adjust the clock to make the CPU run faster than it was designed for and get the most extreme performance out of it. |
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Term
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Definition
| It means the chip contains two CPUs. And the job in hand will be shared between the two CPUs. |
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Term
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Definition
Volatile memory!
1. Cache - Very fast access
2. RAM - Fast access
3. Hard Drive Disc. - Slow access
Fast data access = CPU will not have to wait around with nothing to do while the data is accessed. |
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