1. Key Concepts Sen Zhang

2. What is a computer? Hardware Software Data representation Internet HTML Essential Computer Concepts2

3. When you mention the word "technology," most people think about computers. – That is why we have this course! Virtually every facet of our lives has some computerized component. – Cell phones, Ipods, etc. The appliances in our homes have microprocessors built into them, as do our televisions. Even our cars have computers. But the computer that everyone thinks of first is typically the personal computer, or PC. Essential Computer Concepts3

4. What is a computer? A computer is a kind of device that is equipped with software to process information, to mimic human being intelligence, to make people live longer and better. Essential Computer Concepts4

5. hardware components point of view ComputerHuman being CPU ( central processing unit) The most important component!!Brain Internal (Primary) memory, chipsmemory External (secondary) memory (storage) Harddisk, floppy disk, flash drive, CD DVD External memory ( paper) Input devices ( keyboard, mouse, digital camera, microphone, scanner) Eyes, ears Output devices (monitor, speaker, printers …)mouth Communication component, modem, network card, ADSL, etc.Communication function Mother board (a common ground all other hardware components will be plugged in) Skelton (to which everything is plugged in) Essential Computer Concepts5 Let us compare a computer to a human being.

6. Motherboard Hardware CPUSecondarystorageMainmemoryOutputdevices Data bus Conceptually, a computer consists of the following hardware components. Instructions need to be issued to manipulate these hardware components. The instructions are written in special binary languages. InputdevicesCommunicationdevices

7. software A computer with no software is a people no intelligence. Need software to run hardware! Essential Computer Concepts7

8. CPUHuman being brain Machine language Binary code Natural language, English binaryDecimal system Essential Computer Concepts8

9. BinaryDecimal base210 Symbol set0,1{0, 1, … 9} ?24 Essential Computer Concepts9

10. software Operating system software – The software directly controls the hardware of a computer, common to all upper level application software. Application software – The software on the top of the operating system software. – Each application software is designed with a specific application in mind. Essential Computer Concepts10

11. Examples of application software ApplicationSoftware (Tool)Files (materials) Hammernails Word processingMicrosoft Worddocuments SpreadsheetExcelspreadsheet Database application Bank, Student information system, super market, doctor’s office ACCESSDatabase, Data PresentationPowerPoint WebsiteFrontPage Image processingPhotoshop EmailOutlook, Surfing the InternetWeb Browser, Internet Explore, Firefox, Netscape … Essential Computer Concepts11

12. Check The Readability Of Your Word 2007 Document Word includes a function that allows you to obtain information readability statistics about your document. When the readability statistics feature is enabled, Word will analyze your document using the Flesch- Kincaid model and identify the grade level (0-12) and the reading ease (0-100%) of your document. To turn on the readability function: Open Word. Click the Microsoft Office Button and click Word Options. Click Proofing. Place a check beside the Show readability statistics option. Click OK. Now you can click the Spelling and Grammar button on the Standard toolbar, the results will include information about the reading level of your document. Essential Computer Concepts12

13. html Hyper text markup language Markups are also called tags – A tag is enclosed in a pair of <> – Essential Computer Concepts13

14. Your webspace url at oneonta To you it is w: To the internet, it is mapped to – Students.oneonta.edu/youraccount/ – So, everything you save in your w drive, you can retrieve it from the Internet using the url. Essential Computer Concepts14

15. Your p drive

16. Raw data files

17. Something cool- Shortcut keys Control+mouse scroll can zoom in and zoom out your word document Essential Computer Concepts17

18. How to make an invisible folder on your desktop Create a new folder Rename it as something you like Change the icon to the transparent one The folder is invisible – This is cheating! Essential Computer Concepts18

19. if you want real hidden folder just Follow the bellow: 1)Right-Click 2)New 3)Folder 4) Name it whatever you like 5)Right-Click on the Folder 6)Open General in the tab bar 7)Look Down And Click on Hidden Essential Computer Concepts19

20. You can still see it File Explore-> tools-> Folder Options-> view -> show hidden files Essential Computer Concepts20

21. File view options Show extension names

22. GUI Graphical User Interface – Windows, buttons, menus, – Activated by mouse or shortcut keys As opposed to the black DOS window, which you usually do not use!!!

23. HTTP Hypertext Transfer Protocol regret

24. HTML HyperText Markup Language