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A computer receives incoming data, processes them and produces an output.
Hence, in a typical computer, there is a An input device i. It is just like a type-writer keyboard. It selects, interprets and executes the programme instructions, ii Arithmetic and Logic Unit Computer system essay It does all the arithmetic and logic operations i. Generally two different types of memory are used in the computers; i.
It is non-volatile and is put in by the manufacturer. It is commonly used not storing of programme instructions that are not subject to change.
Output devices communicate the result to the users. It is like a T. The printers are devices that can be reproduced on papers, copies of programs, data or output from the computer's memory.
Different kinds of printers are, Dot Matrix. In Dot-matrix, characters are made up of patterns of dots. Dot-Matrix image with overlapping dots gives rise to Laser Printer.
In Page Printer, one page is printed at a time, iii Plotters: A plotter is a device used to draw graphs, diagrams or any other drawings on the paper. The examples are; Magnetic Tap, magnetic disk.
Optical disk, Winchester or Hard disk and Floppy disk. Floppy disk Floppy disks or diskettes are most widely used in microcomputers and are very popular. These are thin, plastic disks on which computer data and programmes can be stored.
The sizes may very from 3. The information can be stored on the floppy either on one side, i. Winchester disk or Hard disk These are IBM innovation and can store much more data that can be stored in floppy disk and have more reliability. Hard disks usually come as sealed units.
So they can not be removed or changed like floppy disk and cost is also times more than floppies. But they have greater protection and do not need periodic maintenance.
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Hardware and Software Computer ware can be divided into two types e. Hardware All electronic, mechanical, magnetic, electrical and other devices used with the computer constitute the hardware. Software Software refers to various Programs or routines used on the hardware to facilitate the user's efficient operation of the computer.
The software can be divided into two kinds; System software used to manage the operations of the machine i.- Computer System Report/ Recommendation Subject: The customer for this report, and recommendation for the purchase of a computer system, is a dedicated first-year computer science student at a technologically specialized institution.
Recommend a computer system for a given business purpose (Recommend a computer system for a given business purpose (word document) Specification I want to be able to run the Adobe CS5 professional suite of programs.
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A essay about winter upgrades futbin moral science essay. A computer system is a basic, complete and functional computer, including all the hardware and software required to make it functional for a user.
It should have the ability to receive user input, process data, and with the processed data, create information for storage and/or output. Introduction to Computer Essay because they were caught exploiting bugs installed in the computer’s operating system to gain access to free computer time.
After the ban, Gates chose to go to CCC’s offices to study the source code for different programs that operated on the system, including machine language, FORTRAN, and LISP programs.