CPU

Question 1

Cpu

Answer 1

Central processing unit

Question 2

3 main part of the cpu

Answer 2

The control unit
The arithmetic logic unit
Cache

Question 3

Control unit ?

Answer 3

The control unit is overall control of the CPU
It’s main job is to manage to fetching decoding and executing of program instructions by following the fetch execute cycle
Controls the flow of data inside a CPU ( to registers ALU cache ) and outside the CPU(to main memory and input output devices )

Question 4

The arithmetic logic units?

Answer 4

This basically does all the calculation
Complete simple addition and subtraction compares the size of numbers and counting multiplication and division using repeated addition and subtraction
Performs Logic operations such as AND OR and NOT and binary shiftS
Contains the accumulator register

Question 5

Cache

Answer 5

Cache is a very fast memory in the CPU it slower than the register but faster than RAM
It stores regularly used data so that CPU can access at quickly the next time it’s needed when the CPU request data checks the cache first to see if the data is in there if not it fetch from ram
Cash have a very expensive compared to ram and secondary storage

Question 6

Cache lvl

Answer 6

L1 the quickest but lowest capacity
L2 slower but stores more
L3 slowest yet biggest capacity