COMPUTER SCIENCE

A typical computer system irrespective of its size, class or type consists of hardware and software, integrated and synchronized together to perform computational work or data processing. Computer anatomy is concerned with the way the various functional units operate and how they connected together to form the computer system. A computer system consists of the following functional units : 1)  Input unit 2) Memory/Storage unit 3) CPU(central processing unit) 4) Output unit

A system is defined as a set of interacting elements, responding to inputs so as to produce outputs. The computer system also consists of the following elements or components. Software Hardware Firmware Humanware   Software All the intangible components of the computer system are known as software In other words, we can say that all computer programs and applications run behind the monitor screen, are known as software. Computer software is a term that describes computer programs. Example   Microsoft-windows (all operating system software) and notepad, MS office suite, window media player(application software). Software is further divided into two parts these are following 1) system software 2) application software Hardware All tangible component of a computer system is known as hardware. In other words, computer hardware is the collection of physical parts of the computer system. Example  CPU(Microprocessor), monitor, keyboard,...

DATA AND INFORMATION There is a little difference between data and information. Data are the facts or details from which information is derived. Data  Data comes from a singular Latin word "datum" which originally meant "something given." its early usage dates back to the 1600's. Over time data has become the plural of datum. information It is a processed form of data. In other words, when data is processed, organized, structured and useful. For e.g. 32 is data and age 32 is information. Which means information is understandable form.