cpu and registers + von newman Flashcards
MAR
memory address register -
holds address of where the data is to be fetched or stored
MDR
memory data register - holds the data fetched from, or to be written to memory
PC
PC - program counter - holds the address of the next instruction to be executed in memory
Accumulator
Acc - holds the result of the calculations
CU
control unit - executes the instructions /controls signals and timings
ALU
algorithmetic logic unit - performs calculations and logical operations
clock speed
number of instructions per second ( 1 hz is 1 billion instructions)
cache size
fast temporary storage and data in cpu
cores
a complete copy of a cpu
embedded machine
computer system with a dedicated function within a larger mechanical system
instruction register
stores instruction to be decoded