Category: Computer Studies/ICT (Junior Classes)

APPLICATION SOFTWARE

An application program (app or application for short) is a computer program designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user. Examples of application include a word processor, a spreadsheet, an accounting application, a web browser, a media player, a console game or photo editor.

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Translator

TRANSLATOR

A computer language translator is a program that translates a set of code written in one programming language into a functional equivalent of the code in another programming language.

Translator – usually included within programming software – translators convert high-level code into machine code.

Assemblers

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COMPUTER HARDWARE

Computer hardware is the physical parts or components of a computer, such as the monitor, mouse, keyboard, computer data storage, hard disk drive (HDD), graphic cards, sound cards, memory, mother board, and so on. Examples of computer hardware are

Input devices – mouse, scanner, light pen, joystick, etc.
Output devices – printer, monitor, plotter, speaker
Storage devices – primary memory and secondary – RAM, ROM, hard disk, CD/DVD ROM, flash drive, memory card, magnetic disk, etc.
Processing devices – Arithmetic and Logic Unit (ALU) and Control Unit (CU)
Other devices – computer case, cooling fan, heat sink, cables and connectors, etc

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THE COMPUTER SYSTEM

THE COMPUTER SYSTEM

A computer system is one that is able to take a set of inputs, process them and create a set of outputs. This is done by a combination of hardware and software.

The computer system has one or more inputs to provide data. This data is then processed in some way. The outcome of the processing is sent to output or it may be stored until some event happens to cause it to be output.

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GENERATION OF COMPUTERS

Generation of Computers

A generation is often referred to as the state of improvement in the development of a product. The generation of a computer is the advancement of computer technology from time to time.

In every generation, the circuitry has become smaller and more advanced than the previous generation. Each generation of computer is characterized by major technological development.

There are five generations of computer which are:

First-generation (1940 – 1956)
Second generation (1956 – 1963)
Third generation (1964 – 1971)
Fourth generation (1971 – 1983)
Fifth-generation (1983 – present and

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