A computer system is a collection of hardware and software components designed to provide an effective tool for computation. Computer system are used in every walk of life to assist us in the various tasks we perform. The wide availability of the internet has enhance the use of computer for information sharing and communication. Computer system allows us to store, process, display and communicate information. In any modern computer system even a simple one, in general needs several different programs in order to accomplish its various functions.

Tuesday, October 15, 2013

Characteristics of computer: Accuracy

Accuracy of a computer is consistently high and the degree of accuracy of a particular computer depends on the instructions and the type of processor.

But for a particular computer, each and every calculation is performed. For example, the computer can accurately give the result of division of any two numbers up to 10 decimal places.

The accuracy of the result obtained from computer mainly depends on the method of programming and the way the results are interpreted.

Computer is capable of doing only what is instructed to do, faulty instructions for processing the data automatically lead to faulty results.

Computer is based on the principal of Garbage in Garbage out (GIGO) if wrong data inputted than a wrong output would be produced.

High accuracy implies small error, but accuracy is contrasted with precision e.g. three places of decimals properly computed are less but more accurate that four places of decimals containing an error.

Because of the binary nature of computer operations they are highly reproducible in a properly coded program.

This translates into superhuman accuracy in operations such as calculation and comparisons. Searching is one operation that takes full advantage of the speed and accuracy of computer operations. Characteristics of computer: Accuracy
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