Question

what is a computer?
what is a CPU?
what is a hard drive disk?

Answer 1

Computer is a electrical device used for completing task , making project, calculating ,for storing files documents etc.

the abbreviation for CPU is central Processing Unit Aur Main processor in the computer which carries out different computer task performing arithmetic logic controlling and input and output

A hard drive disk is a electromechanical data storage device that uses magnetic storage device that stores and retrieve digital information using one or more rigid rapidly rotating disks coated with magnetic material

Answer 2

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.

A central processing unit, also called a central processor or main processor, is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output operations specified by the instruction

A hard disk drive, hard disk, hard drive, or fixed disk, is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks coated with magnetic material.

I hope this help you