Computing Essential
- 1. McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 1 INFORMATION TECHNOLOGY, THE INTERNET, AND YOU
- 2. CE06_PP01-2 Competencies (Page 1 of 2) Explain the five parts of an information system. Distinguish between system and application software. Discuss the three kinds of system software programs. Distinguish between basic and specialized application software. Identify the four types of computers and microcomputers. Page 2
- 3. CE06_PP01-3 Competencies (Page 2 of 2) Describe the different types of hardware. Define data and describe files. Explain connectivity, the wireless revolution, and the Internet. Page 2
- 4. CE06_PP01-4 Five Parts of an Information System 1. People 2. Procedures 3. Software 4. Hardware 5. Data Page 4
- 5. CE06_PP01-5 People Most important part of any system Contact is … Direct Indirect Computer uses Business & Entertainment Education & Medicine Page 6
- 6. CE06_PP01-6 Software Programs Two major kinds of software System Software Application Software Page 9
- 7. CE06_PP01-7 System Software A collection of programs Enables the application software to interact with the hardware Background software that helps the computer manage its own resources Return Page 9
- 8. CE06_PP01-8 “End-user” software Two major categories General purpose Special purpose Application Software Return Page 9
- 9. CE06_PP01-9 Hardware Equipment that processes the data Controlled by software Physical devices Keyboard Mouse Monitor Other devices Page 11
- 10. CE06_PP01-10 Types of Computers Supercomputers Mainframe computers Minicomputers Microcomputers Page 11
- 11. CE06_PP01-11 High capacity Used by very large organizations Tracking space Tracking weather Return Supercomputers Page 11
- 12. CE06_PP01-12 Mainframe Computers Occupies specially wired, air-conditioned rooms Capable of great processing speeds and data storage Not as powerful as supercomputers Return Page 11
- 13. CE06_PP01-13 Minicomputers Known as midrange computers Used by medium-size companies Used by departments of large companies Return Page 11
- 14. CE06_PP01-14 Microcomputers Least powerful Widely used Four types of Microcomputers Return Page 11
- 15. CE06_PP01-15 Four Types of Microcomputers Desktop Notebook or laptop Tablet PC Handheld Desktop Notebook Tablet PC Handheld Page 11
- 16. CE06_PP01-16 Desktop Computers Are small enough to fit on top of or alongside a desk yet are too big to carry around Return Page 11
- 17. CE06_PP01-17 Notebook or Laptop Computers Notebook, also known as laptop computers, are portable, lightweight, and fit into most briefcases Return Page 11
- 18. CE06_PP01-18 Tablet PC Is a type of notebook computer that accepts your handwriting. This input is digitized and converted to standard text that can be further processed by programs such as a word processor. Return Page 11
- 19. CE06_PP01-19 Handheld Are the smallest and are also known as palm computers. These systems typically combine pen input, writing recognition, personal organizational tools, and communications capabilities. Return Page 11
- 20. CE06_PP01-20 Microcomputer Hardware System unit Input/output devices Secondary storage Communications Page 11
- 21. CE06_PP01-21 Data Raw, unprocessed facts Processing creates information Stored electronically in files Document files Worksheet files Database files Presentation files Presentation Database Worksheet Document Page 15
- 22. CE06_PP01-22 Document Files Created by word processors to save documents such as memos, term papers, and letters Return Page 15
- 23. CE06_PP01-23 Worksheet Files Created by electronic spreadsheets to analyze things like budgets and to predict sales Return Page 15
- 24. CE06_PP01-24 Database Files Typically created by database management programs to contain highly structured and organized data Return Page 15
- 25. CE06_PP01-25 Presentation Files Created by presentation graphics programs to save presentation materials. For example, a file might contain audience handouts, speaker notes, and electronic slides. Return Page 15
- 26. CE06_PP01-26 Connectivity, the Wireless Revolution, and the Internet Connectivity Sharing of information Wireless communication is becoming popular Computer networks Connected communication system of computers Largest network is the Internet Page 16
- 27. CE06_PP01-27 Knowledge Foundation Being Computer Competent means using and understanding Information Technology (IT) Page 17
- 28. CE06_PP01-28 Some Important IT Developments The Internet & the Web Powerful software & hardware Privacy & security Organizations Changing Times Page 17
- 29. CE06_PP01-29 Discussion Questions (Page 1 of 2) Explain the five parts of an information system. What part do people play in this system? What is system software? What kinds of programs are included in system software? Define and compare basic and specialized application software. Describe some different types of basic applications. Describe some types of specialized applications. Page 24
- 30. CE06_PP01-30 Describe the different types of computers. What is the most common type? What are the types of microcomputers? What is connectivity? How are the wireless revolution and connectivity related? What is a computer network? What is the Internet? What is the Web? Page 24 Discussion Questions (Page 2 of 2)