A computer is a programmable machine sequentially and automatically perform a sequence of arithmetic or logic operations. The particular sequence of operations can be easily modified so that the computer to solve more than one type of problem.
Normally a team consists of some form of memory to store data, at least one element that performs arithmetic and logic, and an element of the sequence and control who can change the order of operations on the basis of information stored. The devices allow information to be entered by an external source, and allow operating results to be sent.
A processing unit of the computer is running a series of instructions that read, manipulate and store data. Conditional statements to change the sequence of instructions based on the current state of the machine or its environment.
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