Presentation is loading. Please wait.

Presentation is loading. Please wait.

Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall1 Chapter 1 What Is a Computer? PowerPoint Presentation To Accompany.

Similar presentations


Presentation on theme: "Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall1 Chapter 1 What Is a Computer? PowerPoint Presentation To Accompany."— Presentation transcript:

1 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall1 Chapter 1 What Is a Computer? PowerPoint Presentation To Accompany

2 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall2 Chapter 1 1.Explain the functions of a computer. 2.Describe the evolution of computer hardware, and explain the importance of Moore’s Law. 3.List the various types and characteristics of personal computers. 4.List the various types and characteristics of multiuser computers. 5.Give examples of other computing devices. 6.List several ways ergonomics can improve the comfort and safety of a computer user. 7.Explain the terms “ubiquitous computing” and “convergence.” 8.Identify the certifications and careers related to computers.

3 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall3 Objective 1: Overview 1.Explain the Information Processing Cycle 2.Briefly review the Industrial Revolution and its contribution to computers Key Terms  Computer  Data  Information  Information Processing Cycle (IPC) What Does a Computer Do?

4 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall4 Input Data is collected from customers who submit a form on a website. Process The data is then manipulated, or processed, so it can be used to evaluate the customer’s needs. Storage The raw data is stored temporarily until it can be processed. The processed information is stored for later retrieval. Output The processed raw data – now information – is output as reports and charts that managers can use to help make decisions. Information Processing Cycle

5 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall5 Original computers were people. The Jacquard Loom was the first machine to use punched cards. This was revolutionary because it used the idea of a machine having the ability to follow an algorithm. Charles Babbage designed the Analytical Engine ; Ada Lovelace wrote a program for the Analytical Engine to calculate a series of numbers. Analytical Engine never actually built, as the technology did not exist to build the machine. Industrial Revolution EARLY CONTRIBUTIONS TO COMPUTERS Augusta Ada King, Countess of Lovelace

6 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall6 How did Boole, Bush, Tesla, and Leibniz contribute to the Industrial Revolution?

7 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall7 Objective 2: Overview 1.Discuss the four generations of computers and the technology that defined them 2.Discuss Moore’s Law and its prediction Key Terms  ENIAC  Integrated circuit (IC)  Microprocessor  Moore’s Law  Transistor  Vacuum tubes A Brief History of Computers

8 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall8 First Generation VACUUM TUBES 1941: Z1 - Conrad Zuse 1942: Atanasoff-Berry Computer 1944: Colossus 1944: Harvard Mark : ENIAC 1951: UNIVAC 2 women are shown operating the ENIAC’s main control panel. (Fig 1.4, Chapter 1, page 7)

9 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall9 First Generation VACUUM TUBES DateComputerOriginCreator Z1 - Z3GermanyKonrad Zuse 1942ABC (Atanasoff- Berry Computer) USAIowa State Professor John Atanasoff and graduate student Clifford Berry 1944ColossusUKTommy Flowers 1944Harvard Mark 1USADesigned by Howard Aiken, programmed by Grace Hopper 1946ENIACUSAPresper Eckert and John Mauchly at University of Pennsylvania 1951UNIVACUSAEckert and Mauchly

10 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall10 First Generation VACUUM TUBES Vacuum tubes resembled incandescent light bulbs They gave off a lot of heat and were unreliable Major characteristic of first-generation computers is the vacuum tube

11 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall11 Second Generation TRANSISTORS Replaced vacuum tubes in 1947 Made computers more powerful, smaller, reliable Revolutionized the electronics industry

12 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall12 Third Generation INTEGRATED CIRCUIT Faster, smaller, and more reliable than transistors Popularized in 1960 Invented by Jack Kilby and Robert Noyce separately at the same time

13 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall13 Fourth Generation MICROPROCESSOR The microprocessor is an integrated circuit (IC) that contains the Central Processing Unit (CPU) of the computer Emerged in the 1970s

14 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall14 Moore’s Law 1965: Gordon Moore predicted that the number of transistors on a chip would double every two years. The current trend is closer to doubling every 18 months. As a result, the increase in its capabilities directly affects processing speeds and storage capacity

15 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall15 What are some places vacuum tubes and transistors are still used today?

16 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall16 Objective 3: Overview 1.Discuss the different types of computers 2.Discuss the advantages and disadvantages of each type of computer 3.Discuss the platform options Key Terms  All-in-one computers  Desktop computers  Mac vs. PC  Notebook vs. Workstation  Netbook & Tablet PC Let’s Get Personal

17 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall17 Types of Computer Desktop All-in-one Notebook Tablet Netbook

18 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall18 What Platform Are You? PlatformProsCons PC Cost effective Preferred platform in business sector Security and virus issues Operating system stability Apple User-friendly Great multimedia Secure environment More expensive than PC Limited software options

19 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall19 What is computer literacy? How does it apply to the career you plan to pursue?

20 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall20 Objective 4: Overview 1.Discuss the different types of multiuser computers (servers, minicomputer, mainframe, supercomputers) 2.Define the characteristics of each type of multiuser computer 3.Differentiate among distributed, grid, and volunteer computing Key Terms  Client and server  Distributed computing  Grid computing  Mainframe and supercomputer Multiuser Computers: More Power to You  Minicomputer  Multiuser computer  Volunteer computing

21 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall21 What type of computer provides services, such as printing? SERVERS What type of computer has been replace by midrange servers? MINICOMPUTERS What type of computer can perform millions of transactions in a day? MAINFRAMES What type of computer is used to perform complex mathematical calculations? SUPERCOMPUTERS Types of Computer SERVERS | MAINFRAMES | SUPERCOMPUTERS |MINICOMPUTERS

22 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall22 What type of computing distributes the processing of a task across a group of computers? DISTRIBUTED COMPUTING What type of computing is done on a small scale, using few computers in one location? GRID COMPUTING What type of computing uses the processing power of many personal computers? VOLUNTEER COMPUTING Computing DISTRIBUTED| GRID| VOLUNTEER

23 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall23 How are supercomputers used today? What type of work are they used for?

24 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall24 Objective 5: Overview 1.Discuss the different types of mobile devices Key Terms  GPS  Handheld  Mobile device  Video game system  Wearable It’s Not Your Father’s Desktop Anymore

25 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall25 Other Computing Devices PDAs/smartphones GPS Wearables Video game systems A computer that is designed primarily to play games Xbox, Wii, PS3 Used in cars, boats, and cell phones Acronym for Global Positioning System Computers designed to be worn on the body Pocket-sized computers with many built-in features including , cameras, and Internet Match the Terms:

26 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall26 How are medical students using video games? Which schools are using such systems? Are these acceptable to teachers and students?

27 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall27 Objective 6: Overview 1.Define ergonomics and how it relates to the workspace 2.Discuss health issues related to a poorly designed workspace Key Term  Ergonomics Comfort and Safety

28 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall28 Ergonomics The relationship between users and their workspace Sit up straight Hips at 90° Knees bent at least 90° Use a footrest Elbows on armrest bent at 90°

29 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall29 What are the common features of ergonomically designed furniture? What is the cost vs. benefit?

30 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall30 Objective 7: Overview 1.Define “ubiquitous computing” 2.Define and discuss embedded computers 3.Discuss the convergence of technology and how it has impacted our lives Key Terms  Convergence  Embedded computer  Green computing  UBICOMP Computers Are Everywhere: Ubiquitous Computing

31 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall31 Ubiquitous Computing Technology fades into the background and appears unseen UBICOMP – when computers become so commonplace we don’t recognize the technology as being a computer. GREEN COMPUTING – the efficient and eco-friendly use of computers and other electronics. EMBEDDED COMPUTERS – the “brains” behind many everyday mechanisms. UBICOMP Billboards vs. digital signage Credit card sales vs. cash Upload vs. print photos Online banking vs. drive-thru teller CONVERGENCE – the integration of technology on multifunction devices. CONVERGENCE Smartphones Television EMBEDDED COMPUTERS Wireless devices Washing machines Climate control systems Traffic signals GREEN COMPUTING Smart homes Smart appliances

32 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall32 Science fiction or fact? Which Star Trek technologies exist today?

33 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall33 Objective 8: Overview 1.Discuss how computers have become integral in almost every modern career 2.Discuss the certifications available and the Microsoft Certified Desktop Support Technician (MCDST) 3.Discuss the advantages that volunteering provides What Can I Do With Knowledge About Computers?

34 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall34 Computer Knowledge WHAT CAN I DO? Certifications (MCDST) Volunteer Modern-Day Careers

35 Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall35 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America. Copyright © 2012 Pearson Education, Inc. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall


Download ppt "Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall1 Chapter 1 What Is a Computer? PowerPoint Presentation To Accompany."

Similar presentations


Ads by Google