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11aclegg Inglês 4 flashcards

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1What is the CPU?The CPU stands for the Central Processing Unit. It is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output operations specified by the instructions.
2Virtual Memoryvirtual memory is a memory management technique that is implemented using both hardware and software.
3Cache MemoryThe basic purpose of cache memory is to store program instructions that are frequently re-referenced by software during operation. Fast access to these instructions increases the overall speed of the software program.
4What is RAM?RAM stands for Random Access Memory. RAM is a form of computer data storage. A random-access memory device allows data items to be accessed (read or written) in almost the same amount of time irrespective of the physical location of data inside the memory. In contrast, with other direct-access data storage media such as hard disks