Epekto Ng

Topics: Computer, History of computing hardware, Computing Pages: 2 (507 words) Published: March 24, 2013
History of Computer
A computer is basically an electronic device which is used to input, output, process, and store data but there are some definitions which will include devices such as digital calculators and digital watches in the category of a computer. Software is also considered when looking at the history of computers, not only the physical hardware and the capabilities of the hardware available at the particular time. Operating systems with the features they carry and videogames with their utilization of the available technology are sometimes also used as markers in computer history. The earlier computers were much larger in comparison to the computers available today, sometimes filling entire rooms or sections of buildings. Some persons may be familiar with the term “mainframe” which is a large computer which can do many different tasks simultaneously. Modern mainframes and older mainframes were not much different in their function which is to provide a centralized point for all data to be processed and sometimes stored but older mainframes did not have the benefit of the newer technologies available today. As computers evolved and got smaller and smaller, the use of mainframes to handle workloads decreased as standalone computers became more popular. The difference with standalones versus those attached to the mainframe – which were called workstations, is the fact that standalones could run applications by themselves while workstations depended on the mainframe being online in order to function. Much older mainframes would run different programs based on a schedule and persons were assigned to feed or load the scheduled application at the appointed time. When the appointed program was scheduled to be run a person would have to load either punch cards or tape spools into the mainframe in order for it to run the specified application and the workstations would then load the application to the mainframe....
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