Flashcards

1.1 Component 1

Olivia Szydlo Computing A level Inglês 18 flashcards

Flashcards do conjunto (18)

1computeran electronic device that takes an input, processes the data and makes an output
2computer programa set of instructions that allow a process to be carried out
3memorystores a program and data
4CPUcentral processing unit
fetches, decodes and executes data
5fixed programa program with a set purpose.
6programsa collection of instructions that perform a specific task
7ALUarithmetic logic unit
performs calculations and logical decisions
8CUcontrol unit
sends signals to tell the other components how to respond to the instructions that have been sent to the processor
9cachetemporary storage of instructions and data that have been read and written from the main memory
10PCprogram counter
holds the address of the next instruction in the main memory
11MARmemory address register
holds the address of where the data is to be fetched or stored
12MDRmemory data register
holds the data fetched from, or to be written in memory
13ACCaccumulator
holds the results of calcualtions
14stored program computera device with changeable programs
15clockspeednumber of instructions you could get in a given time.
16corerecieves instructions and acts upon them
17embedded systema computer system with a dedicated function within a larger mechanical or electrical system
18microcontrollersCPUa with integrated memory