Introduction To Information Technology.ppt
- 2. Defining Information • What is Information? Information is any knowledge that comes to our attention. That could be voice, image, text and video • What is data? Data is information when dealing with the machine
- 3. What Counts as information
- 4. Methods for conveying information
- 5. 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.
- 6. IT Example: Cellular Telephony
- 7. IT Example: Wireless Internet
- 8. 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
- 9. 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
- 10. 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
- 11. Components of Information Technology • Data resources, • Human resources • Hardware resources, • Software resources • Telecommunication resources