How does computer work

                 HOW DOES COMPUTER WORK

The physical components from which a computer is constructed is called “hardware”.Most computers have four types of hardware component:CPU,input ,output and memory .The CPU executes programs which tell  the computer what to do. Input and output divices allow the computer to communicate with the user and the outside world.There are several kinds of memory /storage –fast , expensive,short term memory to hold intermediate results,and slower ,cheaper, long-term memory /storage to hold programs and data between jobs.he command line is the shared ground between human and machine.When we type in an instructions,in code ,and there are different languages that the computer understands, we get a reply.