Define is a Computer

        A computer is a general-purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem. Conventionally, a computer consists of at least one processing element, typically a central processing unit (CPU), and some form of memory. The processing element carries out arithmetic and logic operations, and a sequencing and control unit can change the order of operations in response to stored information.
          Peripheral devices allow information to be retrieved from an external source, and the result of operations saved and retrieved. Mechanical analog computers started appearing in the first century and were later used in the medieval era for astronomical calculations. In World War II, mechanical analog computers were used for specialized military applications such as calculating torpedo aiming. During this time the first electronic digital computers were developed.
          Originally they were the size of a large room, consuming as much power as several hundred modern personal computers (PCs).[1] Modern computers based on integrated circuits are millions to billions of times more capable than the early machines, and occupy a fraction of the space.[2] Computers are small enough to fit into mobile devices, and mobile computers can be powered by small batteries. Personal computers in their various forms are icons of the Information Age and are generally considered as "computers". However, the embedded computers found in many devices from MP3 players to fighter aircraft and from electronic toys to industrial robots are the most numerous.

How do you define computers ? My Opinion.

             I think the definition of a computer is an electronic device that is capable of performing several tasks that receives input, stores commands / process, and provides output in the form of information. the computer can also perform large calculations that humans can not be done quickly, including arithmetic and logic operations.

What does a program do ?

             program is a series of instructions written to perform a specific function on the computer. usually this is done by way of a series of instructions to execute the program on the processor. some computer programs can be run on a computer at the same time. Traffic computer to run multiple programs at the same time is called multitasking. Computer programs can be categorized according to their functions: system software or application software.
What is a computer ? How do you define computers ? What does a program do ?

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