Introduction to information system

1. Introduction to information system Unit 1: an overview of the revolution of IT

2. Lecturer Info. • A. BenjapolWorasuwannarak (Ben) • Email: benjapol.wo@ssru.ac.th

3. Rule of the House • Mobile phone must be in silence or turn off (no conversation) • Good looking uniform • No talking during lecture • Great to participate along the class • Be happy and have fun • ## Please help me to follow those rules

4. Mark Allocation • Final Exam 30% • Mid Term Exam 20% • Participation 10% • In Class Activities 10% • Term Project 20% • Presentation 10%

5. Teaching Style for this Class • Active Learning style • Less lecture • More activities and self learning

6. Unit outline • Concept you should know • Define the term information technology • Computer history • Understand 2 types of user • System elements • Communication channel

8. Before we start • What is your first mobile phone? • What is your first computer operating system? • When is your first time on computer?

9. The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons.

10. Computer history • 3000 BC: Abacus • 1890: Electricity used for first time in data-processing project (punched card) • 1946: first programmable electronic computer (ENIAC) • 1971: first pocket calculator • 1977: Apple ii (first personal computer sold in assembled form) • 1981: IBM personal computer • 1994: Ibm and apple introduce PC • 2000: tele conference started

11. Graham Bell

12. Communication technology • 1562: first monthly newspaper (italy) • 1594: first magazine (Germany) • 1876: first phone • 1894: Edison makes a movie • 1912: motion picture become a big business • 1939: Commercial tv broadcasting • 1946: color tv • 1961: push button telephone

13. Communication technology • 1968: Portable video • 1985: Cellular phone • 1991: CD-rom • 2000: digital phone

15. Two types of users • 1. Professional: an information technology professional is a person who has had formal education in technical aspect. • End-user: a simple user

16. People as a complicating fact0r • Faulty assessment of information need • Human emotions affect performance • Human perceptions may be too slow Which kind of factor always happen to you?

17. System element • Raw data vs. information Data consists of the raw facts and figures that are processed into information

18. System element • Unit of measurement for capacity • Kilobyte (k or kb) : approximately 1000 bytes • Megabyte (m or mb) : about 1 million bytes • Gigabyte (g or gb) : around 1 billion bytes

19. System element • The basic operations of computing • Input operation • Processing operation • Output operation • Secondary storage operation

20. Hardware categories • Categorized into 5 group • Input • Processing and memory • Output • Secondary storage • Communication

21. Input phase Processing phase Output phase Storage phase

22. Communication channels WIRELESS WIRE • Finding the example of “wire” and “wireless” communication Giving you 10 min.

23. Connectivity (online information access) • Voice mail & email: voice mail is a telephone answering machine whereas, email is a soft-ware controlled system that links computer by wired. • Telecommuting: the standard of commuting, working at home or anywhere in the world • Teleshopping: shopping at home (home shopping) • Database: a collection of electronically stored data. The data is integrated or cross-referenced. • Online network: social media like FB or IG.

24. Discussion activity • Arranging group of 6 person and write down group name and member • Finding the 5 interesting application on smart phone and describe ## after that go fill this form https://goo.gl/hmY0fU

25. Bring for next class • Bring one of your past paper with more than 250 words work to the class (soft file)