Flashcards
Computing (GCSE / AS LEVEL)
Cards in this deck (5)
- 1What 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.
- 2What does the CU (CONTROL UNIT) DO?The control unit deals with FETCHING data,DECODING & EXECUTING
- 3WHAT DOES ALU DO?an arithmetic logic unit (ALU) is a digital circuit that performs arithmetic and logical operations.
- 4what is RAM & ROMROM 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
- 5What is MARhe 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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- CPU architecture
- Created by
- abdi12306 · Feb 2014
- Updated
- May 21, 2016
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