CPU components Flashcards
What is the purpose of the control Unit?
To control the rest of the CPU and provide it with instructions it gets from RAM.
list the different registers.
IR- Instruction Register
MDR- Memory Data Register
MAR- Memory Address Register
A- The accumulator
What is a CPU’s speed measured in?
Hertz (Hz)
What do hertz measure? (in detail)
They measure the amount of instructions a CPU can do per second.
What is the purpose of the ALU?
To perform calculations.
Why is more CPU cores better?
Because, the more cores, the more instructions can be done at a time.
What is the cache?
The cache is a fast memory area for frequently used instructions.
What part of the CPU controls the rate at which the fetch, decode, execute cycle happens?
The clock.
What register holds the current memory location?
The Memory Address Register.
