Respuesta :
Answer:
Option: A is the correct answer.
A. Central processing unit
Step-by-step explanation:
CPU--
The full form of CPU is Central Processing Unit.
It is called a brain of the computer.
It is used to process the data i.e. it takes the signals from the user i.e. takes the input and then process this data i.e. it decodes the data into machine language and then after processing it gives the output to the user.
It is used to run certain applications and operating system.