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COMPONENTS OF A COMPUTER: We use a computing system basically to feed in some data that is processed by the computer and some information is generated as a result.. For this we need input devices, to feed in some data into a central processing unit (CPU) and the results of the processing are displayed through output devices.. Let us first describe the parts of a personal computer very briefly for those of you who have not had a chance to work with a computer before. The input devices, the CPU, and the output devices that you see in figure form the hardware.
These are the physical parts that you can see and feel. The instructions given to the computer to perform a task are known as a programme. A set of programmes is known as the software of the computing system. Software is usually prepared in advance and stored on magnetic disc and compact disc.
These are then loaded into the computer when somebody is ready to use it. Computers can be large enough to fill up a whole room. These are known as the mainframe computers, forming powerful systems used by large businesses and government departments etc. You will mostly have to deal with smaller computers the micro computers or personal computers (PCs) that can fit on a table or desk and accomplish all the tasks that a mainframe does. Let us first talk about the hardware of computing systems.
note on high level language and low level language
Internal interruptions are produced by convinced events which come during the execution of a program. These types of interruptions are handled on their totality by the hardware and
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-(9/14)log2(9/14)-(5/9)log2(5/9) calculate with solution.
Systems Software: Systems software is generally supplied by the hardware manufacturers. It includes operating systems, assemblers, compilers, and interpreters (to convert prog
Operating Systems: The operating system is the software that mediates between the applications programs and a level of instructions nearer to the machine's operations. In othe
Program Planning (Preparation of a Flow Chart) A flow chart is a graphic method for indicating a proposed or actual solution to the problem. A flow chart shows the steps a comp
Computerised Systems : You would have realized by now that computing systems are most useful for manipulating information. Any organisation and management of information basically
The internet or the World Wide Web is the most familiar and popular example. These databases hold vast amounts of information, for example, on companies. By obtaining details in t
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