Unit i

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Unit i

  1. 1. Computer Concepts – Illustrated 8 th  edition Unit I: The Computer Industry and Careers
  2. 2. Objectives <ul><li>Take a look at early computers </li></ul><ul><li>Introduce IT industries </li></ul><ul><li>Market IT products </li></ul><ul><li>Introduce IT careers </li></ul>Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition
  3. 3. Objectives (continued) <ul><li>Explore IT Jobs </li></ul><ul><li>Explore IT education and certification </li></ul><ul><li>Find an IT job </li></ul><ul><li>Use the Internet in your job search </li></ul>Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition
  4. 4. Taking a Look at Early Computers <ul><li>Manual calculators </li></ul><ul><ul><li>Abacus </li></ul></ul><ul><ul><li>Napier’s Bones : invented in early 1600s </li></ul></ul><ul><ul><li>Slide rule : remained in use through 1960s </li></ul></ul><ul><li>Machines that performed calculations automatically </li></ul><ul><ul><li>First mechanical calculator </li></ul></ul><ul><ul><li>Thomas de Colmar’s Arithmometer </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  5. 5. Taking a Look at Early Computers (continued) <ul><li>Calculating devices that operated without human power </li></ul><ul><ul><li>Analytical Engine </li></ul></ul><ul><ul><li>Hollerith Tabulating Machine </li></ul></ul><ul><li>Early computers </li></ul><ul><ul><li>Atanasoff-Berry Computer (ABC) </li></ul></ul><ul><ul><li>COLOSSUS </li></ul></ul><ul><ul><li>UNIVAC </li></ul></ul><ul><ul><li>Called first-generation computers </li></ul></ul><ul><ul><li>Used vacuum tubes </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  6. 6. Computer Concepts – Illustrated 8th Edition Figure I-1: A slide rule Figure I-2: Punched cards Figure I-3: Vacuum tubes
  7. 7. Taking a Look at Early Computers (continued) <ul><li>Second-generation computers </li></ul><ul><ul><li>Used transistors </li></ul></ul><ul><li>Third-generation computers </li></ul><ul><ul><li>Integrated circuit technology </li></ul></ul><ul><ul><li>Minicomputers </li></ul></ul><ul><li>Fourth-generation computers </li></ul><ul><ul><li>Microprocessors </li></ul></ul><ul><ul><li>Development of personal computers </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  8. 8. Computer Concepts – Illustrated 8th Edition Figure I-4: Transistors
  9. 9. Computer Concepts – Illustrated 8th Edition Figure I-5: The IBM PC Figure I-6: The Apple Macintosh popularized graphical user interfaces
  10. 10. Introducing IT Industries <ul><li>Computer industry includes: </li></ul><ul><ul><li>Companies that manufacture different types of computers </li></ul></ul><ul><ul><li>Software publishers </li></ul></ul><ul><ul><li>Peripheral device manufacturers </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  11. 11. Introducing IT Industries (continued) <ul><li>Information technology (IT) industry includes: </li></ul><ul><ul><li>Equipment manufacturers </li></ul></ul><ul><ul><li>Chipmakers </li></ul></ul><ul><ul><li>Software publishers </li></ul></ul><ul><ul><li>Service companies </li></ul></ul><ul><ul><li>Computer retailers </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  12. 12. Marketing IT Products <ul><li>Computer’s life cycle </li></ul><ul><ul><li>Product development </li></ul></ul><ul><ul><li>Product announcement </li></ul></ul><ul><ul><li>Introduction </li></ul></ul><ul><ul><li>Maintenance </li></ul></ul><ul><ul><li>Retirement </li></ul></ul><ul><li>Software </li></ul><ul><ul><li>Alpha test </li></ul></ul><ul><ul><li>Beta test </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  13. 13. Computer Concepts – Illustrated 8th Edition Figure I-12: Marketing channels
  14. 14. Introducing IT Careers <ul><li>Computer professional </li></ul><ul><ul><li>Designs, configures, analyzes, develops, tests, or ensures the security of computer hardware or software </li></ul></ul><ul><li>Information Technology (IT) department </li></ul><ul><ul><li>Responsible for a company’s computers, data, software, and support services </li></ul></ul><ul><li>IT industry has many contract and temporary workers </li></ul><ul><li>Many workers telecommute </li></ul>Computer Concepts – Illustrated 8th Edition
  15. 15. Computer Concepts – Illustrated 8th Edition Figure I-13: Structure of a typical IT department
  16. 16. Exploring IT Jobs <ul><li>Examples of jobs in IT departments </li></ul><ul><ul><li>Systems analyst </li></ul></ul><ul><ul><li>Computer programmer </li></ul></ul><ul><ul><li>Security specialist </li></ul></ul><ul><ul><li>Database administrator </li></ul></ul><ul><ul><li>Network specialist/administrator </li></ul></ul><ul><ul><li>Computer operator </li></ul></ul><ul><ul><li>Technical support specialist </li></ul></ul><ul><ul><li>Web site designer </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  17. 17. Exploring IT Jobs (continued) <ul><li>Examples of computer professionals who work outside of IT departments </li></ul><ul><ul><li>Technical writer </li></ul></ul><ul><ul><li>Computer salesperson </li></ul></ul><ul><ul><li>Quality assurance (QA) specialist </li></ul></ul><ul><ul><li>Computer engineer </li></ul></ul><ul><ul><li>Manufacturing technician </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  18. 18. Computer Concepts – Illustrated 8th Edition TABLE I-2: ITAA job categories and sample jobs
  19. 19. Exploring IT Education and Certification <ul><li>Computer-related degrees </li></ul><ul><ul><li>Offered by colleges and universities </li></ul></ul><ul><ul><li>Computer engineering </li></ul></ul><ul><ul><li>Computer science </li></ul></ul><ul><ul><li>Information systems (IS) </li></ul></ul><ul><ul><li>Information technology (IT) </li></ul></ul><ul><ul><li>Software engineering </li></ul></ul><ul><li>Computer-related associate’s degrees </li></ul><ul><ul><li>Offered by colleges, community colleges, and technical schools </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  20. 20. Exploring IT Education and Certification (continued) <ul><li>Advanced degrees </li></ul><ul><ul><li>Master’s degrees </li></ul></ul><ul><ul><li>Doctoral degrees </li></ul></ul><ul><li>Certification </li></ul><ul><ul><li>Certificate of completion </li></ul></ul><ul><ul><li>Certification exam </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  21. 21. Exploring IT Education and Certification (continued) <ul><li>Categories of certification exams </li></ul><ul><ul><li>General computer knowledge </li></ul></ul><ul><ul><li>Software applications </li></ul></ul><ul><ul><li>Database administration </li></ul></ul><ul><ul><li>Networking </li></ul></ul><ul><ul><li>Computer hardware </li></ul></ul><ul><ul><li>Computer security </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  22. 22. Finding an IT Job Computer Concepts – Illustrated 8th Edition Figure I-22: Job hunting steps
  23. 23. Finding an IT Job (continued) <ul><li>Create résumés for: </li></ul><ul><ul><li>Print </li></ul></ul><ul><ul><li>Email </li></ul></ul><ul><ul><li>HTML and XML </li></ul></ul><ul><li>Web portfolio </li></ul><ul><ul><li>A hypertext version of a résumé </li></ul></ul><ul><ul><li>Can contain: </li></ul></ul><ul><ul><ul><li>Links to Web sites of past employers </li></ul></ul></ul><ul><ul><ul><li>Schools attended </li></ul></ul></ul><ul><ul><ul><li>Samples of work </li></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  24. 24. Computer Concepts – Illustrated 8th Edition Figure I-24: Ways to post a résumé
  25. 25. Using the Internet in Your Job Search <ul><li>Can use the Internet to: </li></ul><ul><ul><li>Research potential jobs and employers </li></ul></ul><ul><ul><li>Post résumé </li></ul></ul><ul><ul><li>Locate job leads </li></ul></ul><ul><ul><li>Write to potential employers </li></ul></ul><ul><li>Online job bank : database of thousands of job openings posted by employers </li></ul><ul><li>Job search agent : </li></ul><ul><ul><li>Program that automatically searches databases; notifies you when it finds relevant jobs </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  26. 26. Computer Concepts – Illustrated 8th Edition Figure I-25: Online job bank
  27. 27. Talking Points: What Are Professional Ethics? <ul><li>Defining ethics </li></ul><ul><ul><li>Ethics : study of moral standards and how they affect our conduct in daily life </li></ul></ul><ul><ul><li>Professional ethics : our on-the-job choices and actions that reflect our values </li></ul></ul><ul><li>Ethics and computers </li></ul><ul><ul><li>Computer professionals: </li></ul></ul><ul><ul><ul><li>Sometimes get pressured to engage in unethical activities </li></ul></ul></ul><ul><ul><ul><li>Should be familiar with copyright law and the Digital Millennium Copyright Act </li></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  28. 28. Talking Points: What Are Professional Ethics? (continued) <ul><li>Acting on ethical issues </li></ul><ul><ul><li>Whistleblowing </li></ul></ul><ul><ul><ul><li>To reducing the risk of career repercussions: </li></ul></ul></ul><ul><ul><ul><ul><li>Examine your motives </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Try the normal chain of command </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Collect evidence to back up your accusations </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Record events as they unfold </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Act ethically </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Be ready to accept repercussions </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Establish a support network </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Consult a lawyer </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Consider your strategy </li></ul></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  29. 29. Talking Points: What Are Professional Ethics? (continued) <ul><li>Privacy and confidentiality issues </li></ul><ul><ul><li>Be familiar with laws and company policy applicable to privacy </li></ul></ul><ul><ul><li>Be aware of confidentiality issues </li></ul></ul><ul><li>Staying ethical </li></ul><ul><ul><li>Code of ethics </li></ul></ul><ul><ul><ul><li>Published by many professional organizations </li></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  30. 30. Summary <ul><li>This chapter introduced: </li></ul><ul><ul><li>Key milestones in computer history </li></ul></ul><ul><ul><li>The computer industry, its companies, and its products </li></ul></ul><ul><ul><li>Technology careers </li></ul></ul><ul><ul><li>Education required for technology jobs </li></ul></ul><ul><ul><li>Job-searching techniques for technology jobs </li></ul></ul><ul><ul><li>Ethical issues in today’s information age </li></ul></ul>Computer Concepts – Illustrated 8th Edition

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