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Introduction to IT


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I presented this to Farnborough Tech some years ago. Its written for business students who need to understand the issues around IT.

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Introduction to IT

  1. 1. End User Support A Real World Perspective Martin Parker [email_address]
  2. 2. Every Presentation Has a Dilbert
  3. 3. Agenda <ul><li>How is IT used within businesses? </li></ul><ul><ul><li>Typical architecture </li></ul></ul><ul><ul><li>What are the costs? </li></ul></ul><ul><li>Providing IT </li></ul><ul><ul><li>Outsourcing experiment </li></ul></ul><ul><li>Information security </li></ul><ul><ul><li>Preventing records from being stolen </li></ul></ul><ul><ul><li>Keeping data consistent </li></ul></ul><ul><ul><li>Upping application availability </li></ul></ul><ul><li>Careers in IT </li></ul><ul><li>Questions </li></ul>
  4. 4. The IT Crowd
  5. 5. What Does Business Use IT for? <ul><li>Can any business these days function without it? </li></ul><ul><li>Google or MySpace exist purely because of the technology. </li></ul><ul><li>Even a small factory making nuts and bolts will have an office with a PC in it. </li></ul>
  6. 6. Ethylene Plant Exxon Fife
  7. 7. Some Others
  8. 8. Typical Components
  9. 9. Moore’s Law
  10. 10. IT Spending 2006 <ul><li>Finance sector averages 75 IT staff per 1000 end users. </li></ul><ul><li>Average annual IT spend £3,891 per end-user. </li></ul><ul><li>The lower and upper quartiles for total IT spending as a proportion of revenue were 1.2% and 4.8% respectively. </li></ul><ul><li>Details from NCC summary report 2006 </li></ul>
  11. 11. Costs £300 Other hardware. Mainframes etc £3,900 Total £400 Ground Rent, Electricity etc £200 Hardware / Software Support (20%) £2250 Staff Costs (75*£30K) £600 Software £150 Desktop PC
  12. 12. Providing IT <ul><li>IT infrastructures can be highly complex. </li></ul><ul><li>Good management of data is critical. </li></ul><ul><li>Economies of scale? </li></ul><ul><li>Is it part of the core business? </li></ul>
  13. 13. Information Security <ul><li>Confidentiality - who’s got access? </li></ul><ul><li>Integrity - is the data getting corrupted? </li></ul><ul><li>Availability - is the information there when I need it? </li></ul><ul><li>This is a legal Issue </li></ul><ul><ul><li>Data Protection Act </li></ul></ul><ul><ul><li>Financial Services Authority </li></ul></ul>
  14. 14. Buncefield
  15. 15. Northgate                                               
  16. 16. Cost of Availability
  17. 17. Increasing Availability <ul><li>For 12 hours per year your server will be broken </li></ul>
  18. 18. Increasing Availability
  19. 19. Careers in IT <ul><li>Operations </li></ul><ul><li>Help Desk Support </li></ul><ul><li>Developer </li></ul><ul><li>Database Administrator </li></ul><ul><li>Systems Administrator </li></ul><ul><li>Networking </li></ul><ul><li>Management and Team Leading </li></ul><ul><li>Technical Pre/Post sales </li></ul><ul><li>Sales, Marketing etc </li></ul><ul><li>Financial Director </li></ul>
  20. 20. Summary <ul><li>Data is always growing </li></ul><ul><li>Computers are getting faster </li></ul><ul><li>Staff costs are significant </li></ul><ul><li>You get what you pay for </li></ul><ul><li>Protecting information security is essential </li></ul><ul><li>KISS </li></ul>
  21. 21. Any Questions….?