Category: COMPUTER STUDIES

ARTIFICIAL INTELLIGENCE

Definition of AI AI stands for Artificial Intelligence, which refers to the simulation of human intelligence in machines that are programmed to perform tasks that would typically require human cognitive abilities such as learning,...

FUNDAMENTALS OF ROBOTICS

Definition of Robotics Robotics refers to the interdisciplinary field of science and engineering that deals with the design, construction, operation, and application of robots. A robot is a machine that can be programmed to...

DATA REPRESENTATION

Data Representation refers to the methods used internally to represent information stored in a computer. Computers store lots of different types of information: numbers. text. graphics of many varieties (stills, video, animation). sound. Computers...

PRESENTATION PACKAGE

Presentation software or presentation package is an effective multimedia tool as it combines text, sound, images and video on one or more slides. Presentation packages are used to create presentations, quizzes, information points and...

WORD PROCESSING

Word processing is the use of computer to create,edit, and print documents. Of all computer applications, word processing is the most common. To perform word processing, you need a computer, a special program called...

CRUD AND ACID

CRUD In computer programming, CRUD is an acronym for create, read, update and delete which are the four basic functions of persistent storage. It is also sometimes used to describe user interface conventions that...

STRUCTURED QUERY LANGUAGE

Structured Query Language (SQL) is a special-purpose programming language designed for managing data in relational database management systems (RDBMS).Originally based upon relational algebra and tuple relational calculus, its scope includes data insert, query, update...

FORMS OF DATABASE ORGANIZATION

There are four structural types of database management systems: hierarchical, network, relational, and object-oriented. 1) Hierarchical Database: A hierarchical database model is a data model in which the data is organized into a tree-like...

DATABASE MANAGEMENT PACKAGES

A database management package or database management system (DBMS) is a software package used to set up, or structure, a database. It is also used to retrieve information from a database. The top part...

NETWORK CONNECTORS

In information science, connectors, normally called “input-output connectors” (or I/O for short), are interfaces for linking devices by using cables. They generally have a male end with pins protruding from it. This plug is...

NETWORK CABLES

INTRODUCTION Cable is the medium through which information usually moves from one network device to another. Networking cables are used to connect one network device to other network devices or to connect two or...

ELECTRONIC MAIL

INTRODUCTION Electronic mail also known, as e-mail is a means of a computer based communication in which an electronic letter is sent to one or more recipients. It involves basically an e-mail address that...

COMPUTER SECURITY AND ETHICS

INTRODUCTION TO COMPUTER SECURITY Computer security is the process of preventing and detecting unauthorized use of your computer. Prevention measures help to stop unauthorized users also known as intruder from accessing any part of...

CENTRAL PROCESSING UNIT

CPU is an acronym for a central processing unit, which is considered to be the brain of a computer. The part of a computer that interprets and carries out instructions provided by the software....

BOOTING AND REBOOTING

BOOTING In computing, booting is the initial set of operations that a computer system performs when electrical power to the CPU is switched on. The process begins when a computer is turned on for...

APPLICATION AREAS OF ICT

ICT is an acronym that stands for Information and Communications Technology. A good way to think about ICT is to consider all the uses of digital technology that already exist to help individuals, businesses...

INFORMATION SYSTEM

An information system is a collection of methods, practices, algorithms and methodologies that transforms data into information and knowledge desired by and useful for, individual and group users in organizations and other entities. This...

DATA NETWORK

A data network is an electronic communications process that allows for the orderly transmission and receptive of data, such as letters, spreadsheets, and other types of documents. What sets the data network apart from...

TELECOMMUNICATIONS

Telecommunications, also called telecommunication, is the exchange of information over significant distances by electronic means. A complete, single telecommunications circuit consists of two stations, each equipped with a transmitter and a receiver. The transmitter...

BROADCASTING

Broadcasting is the distribution of audio and video content to a dispersed audience via any audio or visual mass communications medium, but usually one using electromagnetic radiation (radio waves). The receiving parties may include...

ICT

A communication system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of interconnection and interoperation to form an integrated whole. The components...

STRING FUNCTIONS

The major string handling functions in BASIC programming language are: ASC function CHR$ function LEFT$ function RIGHT$ function MID$ function VAL function STR$ function LEN function DAT$ function POS function SEG$ function   1)...

BASIC PROGRAMMING 3

ARRAYS A table is a data structure that enables data to be stored in the main memory of the computer. The term table is also known as array. An array variable is a data...

HIGH LEVEL LANGUAGES

High-level language is any programming language that enables development of a program in much simpler programming context and is generally independent of the computer’s hardware architecture. High-level language has a higher level of abstraction...