4545734-Computer-Hardware - Chapter 3 Computer Hardware...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 3 Computer Hardware James A. O'Brien, and George Marakas. Management Information Systems with MISource 2007, 8 th ed. Boston, MA: McGraw-Hill, Inc., 2007. ISBN: 13 9780073323091
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 3 Computer Hardware 2 Understand the history and evolution of computer hardware Identify the major types and uses of microcomputer, midrange, and mainframe computer systems Outline the major technologies and uses of computer peripherals for input, output, and storage Identify and give examples of the components and functions of a computer system Identify the computer systems and peripherals you would acquire or recommend for a business of your choice, and explain the reasons for your selection Learning Objectives
Background image of page 2
Chapter 3 Computer Hardware 3 Case 1 Mobile and Wireless Technology The challenge… Provide mobile computing capabilities Deliver applications for use on small LED screens Common applications… Police work Anti-terrorism Global employee communication and collaboration
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 3 Computer Hardware 4 Case Study Questions What are some of the benefits that organizations could realize by connecting all of their employees by mobile devices? Are the CIOs in the case saying that ROI is not important when deploying mobile computing devices? The case suggests that an increasingly popular mobile device is the Black Berry. What is it about the BlackBerry that makes it so popular?
Background image of page 4
Chapter 3 Computer Hardware 5 Pre-Computer Calculations Counting on fingers and toes Stone or bead abacus Calculate comes from calculus, the Latin word for stone 1642: first mechanical adding machine Invented by Blaise Pascal Wheels moved counters Modified in 1674 by Von Leibnitz Age of industrialization Mechanical loomed used punch cards
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 3 Computer Hardware 6 Early Computing 19th Century Charles Babbage proposed the Analytical Engine, which could calculate, store values in memory, perform logical comparisons Never built because of lack of electronics 1880s Hollerith’s punched cards used to record census data using On/Off patterns The holes turned sensors On or Off when run through tabulating machine This company became the foundation for IBM
Background image of page 6
Chapter 3 Computer Hardware 7 Electronic Computers 1946 - First Generation Computer ENIAC Programmable 5000 calculations per second Used vacuum tubes Drawbacks were size and processing ability 1950s ENIAC replaced by UNIVAC 1, then the IBM 704 Calculations jumped to 100,000 per second
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 3 Computer Hardware 8 Waves of Computing Late 1950s - Second Generation Transistors replaced vacuum tubes 200,000 to 250,000 calculations per second Mid-1960s - Third Generation Integrated circuitry and miniaturization 1971 - Fourth Generation Further miniaturization Multiprogramming and virtual storage 1980s - Fifth Generation Millions of calculations per second
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 58

4545734-Computer-Hardware - Chapter 3 Computer Hardware...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online