Lec 1_ Introduction To IT.pdf

Introduction To Information Technology Dr. Abdelaziz Mohamed  Information Technology Information technology (or IT) is a term that encompasses all forms of technology used to create, store, exchange, and use information in its various forms (business data, voic...

Introduction To Information Technology Dr. Abdelaziz Mohamed  Information Technology Information technology (or IT) is a term that encompasses all forms of technology used to create, store, exchange, and use information in its various forms (business data, voice conversations, still images, motion pictures, photos, multimedia presentations, and other forms, including those not yet conceived). (Rouse, Margaret.." 21- What is Information Technology A term used to refer to a wide variety of items and abilities used in the creation, storage, and dispersal of data and information. Its three main components are computers, communications networks, and know-how. What is Information Technology Defining Information Technology Information Technologies are systems of hardware and/or software that capture, process, exchange, store and/or present information using electrical, magnetic and/or electromagnetic energy.  Information Technology https://youtu.be/Z0A7OMkYQf8 What is Information Technology? Computers Hardware: The computer and its associated equipment. Program: A set of instructions that directs a computer to perform certain tasks and produce certain results. Software: The general term for a set of instructions that controls a computer or a communications network. The Functions of Information Technology  The Functions of Information Technology (Continued) Generation: The process of organizing information into a useful form, whether as numbers, text, sound, or visual image. Storage and Retrieval: Storage is the computer process of retaining information for future use. Retrieval is the process by which a computer locates and copies stored data or information for further processing or for transmission to another user. The Functions of Information Technology (Continued) Transmission: The computer process of distributing information over a communications network. – Electronic Mail, or E-Mail – Voice Messaging, or Voice Mail IT Example: Wireless Internet What is Information Technology? Computers What is Information Technology? Communications Networks Communication: The sending and receiving of data and information over a communications network. Communications Network: A set of locations, or nodes, consisting of hardware, programs, and information linked together as a system that transmits and receives data and information. Data Communication:The transmission of data and information through a communications medium IT Example: Cellular Telephony  What is Information Technology? Know-How The capability to do something well. Information technology know-how consists of: – Familiarity with the tools of IT; including the Internet – Possession of the skills needed to use these tools – An understanding of when to use IT to solve a problem or create an opportunity The Benefits of information Technology The Opportunities of Information Technology. Helping People. Solving Problems Problem: A perceived difference between an existing condition and a desired condition. Problem Solving: The process of recognizing a problem, identifying alternatives for solving it, and successfully implementing the chosen solution. information Technology Is All Around Us, Improving Our Lives Television- Education- Training- entertainment- shipping- Paperwork Money and Investments Agriculture Taxation and Accounting Health and Medicine Journalism Energy Sports  Classes of Information Users ◼ information consumers ◼ individuals who need or benefit from information services for both work or leisure ◼ information producers ◼ vendors, distributors of information services ◼ information workers ◼ professions that depend on the analysis, assessment, and use of specific forms of information  IT in Society (people) Personal Communication – Conversations (phone, cell) – Messaging (E-mail, SMS) – Video Coms Entertainment – Web surfing – Downloading video and audio files – Interactive gaming Day-to-Day living – Buying airline tecket – Ordering books – Electronic banking/ stock market  IT in Society (business) Internal Communication – Computer network – Corporate website – Video teleconferencing – Messaging (SMS, email) Electronic Commerce – Call Centres – Electronic transactions – Online sales Business operations – Factory operation systems – Databases  Examples on IT Careers Information Security Jobs – Address information security IT Analyst – Translate business requirement into technical specification Network Administration – Configure and operate computer network Management Consulting – Provide consulting for government and organizations Database Administration – Managing corporate database Computer Forensics Expert – Extracts computer evidence for detecting/preventing /prosecuting crimes IT Sales: – people on frontline to sell products Software development: – develop software solutions  Thank you Any Questions?