Please enable JavaScript.
Coggle requires JavaScript to display documents.
computer architecture - Coggle Diagram
computer architecture
components of a computeer
cpu
ALU arithmetic logic unit
where arithmetic and logic operations happen
control unit CU
controls + coordinates the actiities in the cpu
decodes instruction
executes the instructions
registers - a very fast memory within the cpu itself
MAR (memory address register)
current instruction + data that it uses so that these can be fetched from memory
MDR (memory data register)
actual instruction +data fetched from the memory
accumulater
holdsthe address for the next instuction to be executed
program counter
holds the address for the next instruction to be executed
cache is a fast memory store (faster then ram and slower then registers
main memory (ram)
random access memory faster then secondary storage but slower than registers and cache
secondary storage
input device
output device
fetch execute cycle
von nueman structure
decided to store the instructions of a program as well as the data in a program
both the instructions and the data are stored in THE SAME MEMORY