Write An Essay About Your Computer

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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.

The software can be divided into two kinds; System software used to manage the operations of the machine i.e., the Operating Systems (OS) and Application software’s are used for the user applications i.e., a programme that is employed for data bases for railway enquiry or reservation system or airlines booking etc..

The Operating System (OS) The Operating System (OS) of a computer is a set of specialized programmes that manages all the operations of the computer; such as CPU, Memory, key board, Floppy Disks, VDU etc.

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.

Source – Translator – Object code Thus in a compiled language, to run the program, two phases are there i.e., the compilation phase and the execution phase.

But in an interpreted language, on the other hand, the source program is directly translated line by line into machine language instructions for execution of any program.

The Operating System is responsible for the communications between the computer and its peripheral.

From small personal computer (Micro Computer) to super computers, the OS operates in all the computer systems.

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