1. *
07/16/96
CMPE 101 Introduction to Information Technologies Chapter 1: Computers and You
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

2. *
Objectives
07/16/96
Define the word computer and name the four basic operations that a computer performs
Describe the two main components of a computer system:
Hardware
Software
Provide examples of hardware devices that handle input, processing, output, and storage tasks.
Give an example of the information processing cycle in action.
Discuss the two major categories and the various types of computers.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

3. Objectives Explain the advantages and disadvantages of computer use.*
Objectives
07/16/96
Explain the advantages and disadvantages of computer use.
Recognize the ethical and societal impacts of computer usage.
Discuss how computers affect employment.
List ways to be a responsible computer user.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

4. Computers: Yesterday, Today, and Tomorrow
Integral to our daily lives
Millions use computers daily.
Applications
Word processors
Internet
Online banking
Online classes
GPS systems
ATM machines
Mobile phones
Weather prediction
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

5. Computers: Yesterday, Today, and Tomorrow
Computers (con’t.)
Used at:
Home
Work
School
Embedded into:
Cars
Phones
Cameras
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

6. Computers: Yesterday, Today, and Tomorrow
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

7. Computers: Yesterday, Today, and Tomorrow
Before computers
There were
No telephone answering machines
No handheld calculators
No fax machines
No personal computers
People
Wrote letters by hand or with a typewriter
Kept track of data and numbers in ledgers
Communicated in person or over the telephone
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

8. Computer Fundamentals*
Computer Fundamentals
07/16/96
Computer—device that performs the information-processing cycle
Computer system—group of associated components that work together
Hardware
Software
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

9. In-Class Activity Form groups of four students
Create a list of “things” that are related to computers
Hardware, Software, Devices that use computers, networking, Internet services, etc.
Make your list as long as possible
Share your list with others and Add the items that are absent in your list
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

10. Computer Fundamentals
Hardware
Physical parts of the computer
Includes such components as the system unit, monitor, keyboard, and printer
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

11. Computer Fundamentals
Software
Computer system’s hardware needs programs to function
A program is a set of instructions that tells the hardware how to perform an operation on the input data
Software is the collection of programs, and the associated documentation, that directs the operation of the computer to complete a desired end result.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

12. Computer Fundamentals*
Computer Fundamentals
07/16/96
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

13. Computer Fundamentals*
Computer Fundamentals
07/16/96
Communications
High-speed movement of data or information
Communication device
Hardware component that moves data in and out of a computer
Network
Connects two or more computers to share input/output devices and other resources through the use of a network interface card
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

14. In-Class Activity Classify the items in your list Input Units
Processing Units
Output Units
Storage Units
Software
Communication Device
Internet Applications
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

15. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall

16. Computer Components
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

17. Computer Components
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

18. Computer Components
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

19. Types of Computers Computers can be separated into two main types:*
Types of Computers
07/16/96
Computers can be separated into two main types:
Individual—designed for one user at a time
Organizational—designed to be used by many people at the same time
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

20. Individual: Desktop Computers
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

21. Individual: Portable Computers
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

22. Organization - Server
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

23. Organization - Network
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

24. Organization - Mainframe
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

25. Organization - Mainframe
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

26. Organization - Supercomputers*
Organization - Supercomputers
07/16/96
Using IBM iDataPlex servers, 300TB of RAM, and an InfiniBand interconnect, SuperMUC's 147,456 cores achieved a speed of 2.9 petaflops. Energy costs are cut by directly cooling chips and memory with water at unusually high temperatures of 104 degrees fahrenheit.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

27. Organization - Supercomputers*
Organization - Supercomputers
07/16/96
This Blue Gene/Q system uses 786,432 cores to hit 8.6 petaflops. When it hits full production in 2014 Mira will offer more than 5 billion computing hours per year to scientists
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

28. Organization - Supercomputers
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

29. Computers, Society, and You*
Computers, Society, and You
07/16/96
Advantages and Disadvantages of Computer Use
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

30. Computers, Society, and You
Copyright © Pearson Education, Inc. Publishing as Prentice Hall

31. Computers, Society, and You*
Computers, Society, and You
07/16/96
Software programs
Contain flaws
Errors cause programs to run slowly or miscalculate.
Bugs are almost impossible to eliminate completely.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

32. Computers, Society, and You*
Computers, Society, and You
07/16/96
Computer ethics
Moral dilemmas relating to computer usage
Digital piracy
Unauthorized reproduction and distribution of computer-based media
Unethical behavior
Sending viruses, stealing credit card information, computer stalking, and installing illegitimate copies of software on computers
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

33. Computers, Society, and You*
Computers, Society, and You
07/16/96
Computers provide those who are disabled and disadvantaged with added support and opportunities
E-learning
Learning without requiring students to be at a specific location at a specific time
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

34. Computers, Society, and You*
Computers, Society, and You
07/16/96
Automation
Replacement of people by machines and computers
Computer technology
Aided globalization
Caused structural unemployment — the obsolescence of certain jobs
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

35. Computers, Society, and You*
Computers, Society, and You
07/16/96
Be a responsible computer user:
Understand how your computer use affects others.
Obey laws and conform to requests regarding use of cell phones.
Be aware of e-waste and the proper disposal of outdated computer hardware.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

36. Computers, Society, and You*
Computers, Society, and You
07/16/96
Advances in computer technology
Upgrade software to obtain the latest software features.
Stay informed to help avoid computer viruses.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

37. *
Summary
07/16/96
Define the word computer and name the four basic operations that a computer performs.
Describe the two main components of a computer system: hardware and software.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

38. *
Summary
07/16/96
Provide examples of hardware devices that handle input, processing, output, and storage tasks.
Give an example of the information processing cycle in action.
Discuss the two major categories and the various types of computers.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *

39. Summary Explain the advantages and disadvantages of computer use.*
Summary
07/16/96
Explain the advantages and disadvantages of computer use.
Recognize the ethical and societal impacts of computer usage.
Discuss how computers affect employment.
List ways to be a responsible computer user.
Copyright © Pearson Education, Inc. Publishing as Prentice Hall *