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| Pregunta | Respuesta |
| What is a CPU ? | The CPU (Central Processing Unit) is the part of a computer system that is commonly referred to as the "brains" of a computer. The CPU is responsible for executing a sequence of stored instructions called a program. This program will take inputs from an input device, process the input in some way and output the results to an output device. |
| What does the CU (CONTROL UNIT) DO? | The control unit deals with FETCHING data,DECODING & EXECUTING |
| WHAT DOES ALU DO? | an arithmetic logic unit (ALU) is a digital circuit that performs arithmetic and logical operations. |
| what is RAM & ROM | ROM is memory that cannot be changed by a program or user.RAM is a fast temporary type of memory in which programs, applications and data are stored.E.G. OS |
| What is MAR | he MAR stores the physical memory address where the next piece of data will be written or the next instruction is located. |
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