Information technology and communication pdf
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Information and communications technology
The expression was first used in in a report by Dennis Stevenson to the UK government and promoted by the new National Curriculum documents for the UK in There are large economic incentives huge cost savings due to elimination of the telephone network to merge the audio-visual, building management and telephone network with the computer network system using a single unified system of cabling, signal distribution and management.
This in turn has spurred the growth of organizations with the term ICT in their names to indicate their specialization in the process of merging the different network systems. They have brought about changes in other areas, particularly in knowledge management and human resources development.
Increasing capacity of ICT has further been empowered by the growth of a global network of computer networks known as the Internet.
It has impacted the way business is conducted, facilitated learning and knowledge sharing, generated global information flows, empowered citizens and communities in ways that have redefined governance, and have created significant wealth and economic growth resulting in a global information society. Stands for "Information and Communication Technologies.
It is similar to Information Technology IT , but focuses primarily on communication technologies. This includes the Internet, wireless networks, cell phones, and other communication mediums. In the past few decades, information and communication technologies have provided society with a vast array of new communication capabilities.
For example, people can communicate in real-time with others in different countries using technologies such as instant messaging, voice over IP VoIP , and video-conferencing. Modern information and communication technologies have created a "global village," in which people can communicate with others across the world as if they were living next door. For this reason, ICT is often studied in the context of how modern communication technologies affect society. Many countries around the world have established organizations for the promotion of ICTs, because it is feared that unless less technologically advanced areas have a chance to catch up, the increasing technological advances in developed nations will only serve to exacerbate the already-existing economic gap between technological "have" and "have not" areas.
The definition of ICT needs a serious consideration of the general confusion in the understanding of the word 'Technology' - for without a clear understanding of 'Technology' much of the rest of this site cannot hang together. G B Harrison Ex Trent Polytechnic gives us this definition: Technology is the process of using scientific, material and human resources in order to meet human need or purpose.
The definition of ICT therefore became: the use of information in order to meet human need or purpose including reference to the use of contemporary devices such as the Internet. However, in an ever-changing world of Video-phones, mobile computing, blogs, Skype and OSS perhaps we should no longer just include the Internet, but leave the definition at 'contemporary devices? For example, personal computers, digital television, email, robots.
Importantly, it is also concerned with the way these different uses can work with each other. In business, ICT is often categorised into two broad types of product: - 1 The traditional computer-based technologies things you can typically do on a personal computer or using computers at home or at work ; and 2 The more recent, and fast-growing range of digital communication technologies which allow people and organisations to communicate and share information digitally Let's take a brief look at these two categories to demonstrate the kinds of products and ideas that are covered by ICT: Traditional Computer Based Technologies These types of ICT include: Application Use Standard Office Applications - Main Examples Word processing E.
Microsoft Word: Write letters, reports etc Spreadsheets E. Microsoft Excel; Analyse financial information; calculations; create forecasting models etc Database E. Microsoft PowerPoint; make presentations, either directly using a software computer screen or data projector.
Publish in digital format via email or over the Internet Desktop E. Adobe Indesign, Quark Express, Microsoft Publisher; produce publishing newsletters, magazines and other complex documents. Graphics E. Accounting E. Specialised CAD programs exist for many types of design: architectural, engineering, electronics, roadways Customer Software that allows businesses to better understand their customers by Relations collecting and analysing data on them such as their product Management preferences, buying habits etc.
Often linked to software applications CRM that run call centres and loyalty cards for example. This is often achieved via networks of sending and receiving equipment, wires and satellite links. The technologies involved in communication tend to be complex. You certainly don't need to understand them for your ICT course. However, there are aspects of digital communications that you needs to be aware of. These relate primarily to the types of network and the ways of connecting to the Internet.
Let's look at these two briefly further revision notes provide much more detail to support your study. Internal networks Usually referred to as a local area network LAN , this involves linking a number of hardware items input and output devices plus computer processing together within an office or building. The aim of a LAN is to be able to share hardware facilities such as printers or scanners, software applications and data.
This type of network is invaluable in the office environment where colleagues need to have access to common data or programmes. External networks Often you need to communicate with someone outside your internal network, in this case you will need to be part of a Wide Area Network WAN. The Internet is the ultimate WAN - it is a vast network of networks.
Moreover, as information technology protocols, applications, utilities and services are constantly changing, nothing in these guidelines restricts the authority of the relevant offices from initiating new rules or guidelines as circumstances dictate or as technology evolves.
Whether or not an amount of personal use would be considered reasonable would depend on the particular circumstances and the applicable laws and policies. Users of University ICT are required to abide by all applicable laws and policies in addition to these guidelines.
Reasonable personal use does not include in any circumstances the visiting of pornographic websites, the storage or distribution of pornographic material, or the accessing, storage or distribution of unlawful or otherwise inappropriate within the meaning of the guidelines information. Digital Divide: The technological gap between countries that have fully exploited ICT and those that have not.
E-Commerce Electronic Commerce: Business activities involving consumers, manufacturers, suppliers, service providers and intermediaries using computer networks such as the Internet.
Global Information Infrastructure GII : The components making up a wide area network arising from multiple heterogeneous networks, which facilitate multidimensional communication among different nations, business and organisations. Information and Communication Technologies ICT : Is a generic term used to express the convergence of information technology, broadcasting and communications. One prominent example is the Internet.
Information Society IS : A country or region where information technology has been fully exploited and is part of everyday life as an enabler of information sharing, communication and diffusion. Information Technology IT : Embraces the use of computers, telecommunications and office systems technologies for the collection, processing, storing, packaging and dissemination of information.
Knowledge Based Economy KBE : A country or region where ICT is extensively used to enhance knowledge so that higher human capital brings further improvement to the economy. Most LANs are confined to a single building or group of buildings.
Teledensity: The number of telephones per people in a region. This allows the pupils to gain an understanding of the principles and values associated with computers, networks and peripherals without having real computers in their schools.
If teachers were trained accordingly, this type of education will reach even the remotest households. A simile is children making mock-up cars and trucks. Computers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites. The largest WAN in existence is the Internet. Others prefer the term online learning. Web-based learning is a subset of e-learning and refers to learning using an Internet mainly using a browser such as Chrome or Firefox or Internet Explorer.
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Information Technology and Mobile Communication
Information technology and communication and best practices in it lifecycle management. In this work, we focus on the role of Information and Communication Technologies - ICT- to create additional sources of competitive advantage that can help companies to prepare themselves for sustainable growth in the long term. First, we discuss the dynamics of ICTs and the ability to generate innovations with a direct impact on business. Then we present the need for greater balance between goals of short and long term on IT projects. In the third part, we discuss how these new technologies have helped to increase the productivity of information professionals as well as to enhance decision-making process and the satisfaction of the end customer.
This book provides basic theoretical and practical information on some aspects of Information Communication Technology (ICT), Data Processing and Its.
ICT includes all digital technology that assists individuals, businesses and organizations in using information. It covers all electronic products that deal with information in a digital form. Therefore, ICT is concerned with digital data storage, retrieval and transmission. In addition, Prof. This theme includes a deep analysis of the impact of the information and communication technologies on different aspects of development and growth.
It welcomes novel theoretical and practical interdisciplinary contributions reflecting approaches wherein individuals and ecosystems become points of convergence of data, technologies and applications for the improvement of perception, understanding and dissemination of knowledge, and for the well-being of digital life, without obstacles, every place and at any time. It aims to bring together the researchers from academia and industry as well as practitioners to share ideas, problems and solutions relating to the multifaceted aspects of ITCC, and to disseminate the most innovative research and development of all aspects of ITCC, including their models, services, and novel applications associated with their utilisation. In accordance with this journal's characteristics and coverage, each paper will be of interest to many clients inside and outside the IT department, but it will be of immediate and compelling value to the following roles:.
Information technology IT is the use of computers to store, retrieve, transmit, and manipulate data  or information. IT is typically used within the context of business operations as opposed to personal or entertainment technologies. An information technology system IT system is generally an information system , a communications system , or, more specifically speaking, a computer system — including all hardware , software , and peripheral equipment — operated by a limited group of IT users. Leavitt and Thomas L. Whisler commented that "the new technology does not yet have a single established name. We shall call it information technology IT. The term is commonly used as a synonym for computers and computer networks, but it also encompasses other information distribution technologies such as television and telephones.