Computer Architecture Flashcards
What is the purpose of the CPU
fetch, decode, and execute instructions
Define the term microprocessor
A type of integrated circuit on a single chip.
What does CPU stand for?
Central Processing Unit
What is a program counter?
Holds memory address of the next instructions to be executed.
What is Memory Address Register?
Holds memory address of where data or instructions are to be fetched from memory
What is Memory Data Register?
Stores data or instruction that has been fetched from the memory
What is Current Instruction Register?
Stores instruction the CPU is currently decoding or executing
What is a Accumulator?
Stores the results of any calculations that have taken place in the Arithmetic Loguc Unit
What is a Bus?
A set of parallel wires through which data/signals are transmitted from one component to another.
Name three types of buses in computer architecture.
Address bus, Data bus, and Control bus
