Question

define the units of CPU.

Answer 1

Central processing unit (CPU), principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit.

Answer 2

$<MARQUEE ><FONT COLOR="orange ">Here is your answer </MARQUEE>$ The CPU controls all input and output devices and consists of 3 units:
ALU: Arithmetic Logic Unit performs the tasks of arithmetic calculations and logical operations.
CU: Control Unit controls all operations of the computer.
MU: Memory Unit is used to receive, hold and deliver data as per the instructions from the control unit.
$<MARQUEE><FONT COLOR= " orange ">Hope this answer will help you </MARQUEE>$