Write An Essay About Your Computer

Write An Essay About Your Computer-28
They are (i) Visual Display Unit (VDU) (ii) Printers (iii) Plotters (i) VDU: It is like a T. screen or a monitor where all data can be displayed.

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In Dot-matrix, characters are made up of patterns of dots.

Dot-Matrix image with overlapping dots gives rise to Laser Printer.

The translation jobs are done by translators which are actually the compilers.

The source code program is being translated by the compiler to object code for execution of next stage operation.

A language is used by programmers to write computer programs and routines and is called programming language.

In a binary-coded digital computer, Os and Is are used as low level language called machine language.(iii) Primary Storage Unit, (i) Control Unit (CU) The control Unit organizes all the operations.It selects, interprets and executes the programme instructions, (ii) Arithmetic and Logic Unit (ALU) It does all the arithmetic and logic operations i.e., adding, subtracting, multiplying, dividing and comparing, (iii) Primary Storage Unit It is the memory section of CPU that stores data and programmes that are waiting to be processed or currently being processed.But for better use, several hundreds of easier high level programming languages like FORTRAN (Formula Translation), ALGOL (ALG Orithmic Language) BASIC (Beginners All Purpose Symbolic Instruction Code). But there are also the fourth generation languages, like ORACLE, INGRESS etc.COBOL (Common Business Oriented Language) PASCAL and C etc. Among them, BASIC is the most fundamental and commonly used language whereas COBOL is mostly used in business application. Computer can understand two types of programming languages i.e. The high level programming languages used by users are called Source Code. Hence these languages are being translated into a machine language program called object code.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.Secondary Storage Devices All devices that are connected to the CPU for storing information’s but are not part of the CPU, are called Secondary Storage Devices. Optical disk, Winchester or Hard disk and Floppy disk.Very commonly used operating systems for microcomputers are PC-DOS (Personal Computer Disk Operating System), MS-DOS, Window and XENIX. UNIX another very powerful OS is much more versatile and also offered many more capabilities than any other OS.Program and programming language A Program is a sequenced set instruction to a computer to do a particular job and the art of writing a program is called programming.Aeon email newsletters are issued by the not-for-profit, registered charity Aeon Media Group Ltd (Australian Business Number 80 612 076 614).This Email Newsletter Privacy Statement pertains to the personally identifying information you voluntarily submit in the form of your email address to receive our email newsletters More generally, when visiting the Aeon site you should refer to our site Privacy Policy here.


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