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Computer Merit Badge

Computer Merit Badge. Merit Badge College 9 Feb 2008. Requirement 1 - Online safety. Requirement 1 – Discuss with your counselor the tips for online safety. Requirement 1 - Online safety. . Kidnapping/Violence Safety.

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Computer Merit Badge

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  1. Computer Merit Badge Merit Badge College 9 Feb 2008

  2. Requirement 1 - Online safety. Requirement 1 – Discuss with your counselor the tips for online safety.

  3. Requirement 1 - Online safety. • Kidnapping/Violence Safety Internet kidnap warningFinancial Times - Jan 1, 2007Parry Aftab, a children's advocate, told a congressional commission that 3000 children were kidnapped in the US last year because of online messages posted ...

  4. Requirement 1 - Online safety. • Financial Safety Online fraud costs $2.4 billion a year Identity Theft Victimizes Millions, Costs Billions About 3.3 million American consumers discovered within the last year that their personal information had been used to open fraudulent bank, credit card or utility accounts, or to commit other crimes, according to the Federal Trade Commission's first national survey on identity theft. The commission, in a report issued today, said these cases had collectively cost businesses $32.9 billion and consumers $3.8 billion. Identity Theft: Costs More, Tech Less The median actual dollar loss for identity theft victims was $31,356. Identity theft may be far more costly to victims than previously believed…

  5. Requirement 1 - Online safety. • Computer System Safety Computer virus cost skyrockets The virus billed as the world's fastest, most destructive computer bug spread mutations Friday, frustrating computer users and causing damage that could reach an estimated $10 billion worldwide. It masquerades as confirmation of a $326.92 "diamond special" ordered for Mother's Day. If the... Net search virus cost $90 million ABOUT 5,000 businesses have been affected by the MyDoom virus which caused Google to crash this week. According to mi2g, the British-based security firm, the worldwide damage of the virus is estimated to have cost between $85 million and $95 million.

  6. Requirement 1 - Online safety. • Set and follow family computer rules • Keep & use computer in family room • Protect your privacy – email address, phone#, address, school info, picture, passwords, financial info • Don’t open emails/files from strangers • Something bad/suspicious tell parents • Never meet someone from online

  7. Req. 2 – History & impact of computers Requirement 2 • How has the invention of the computer has affected society, science, and technology? • Give a brief history of computers.

  8. Req. 2 – History & impact of computers • 300 BC – Abacus • 1632 – Slide Rule • 1617 – Logarithms • 1642 Pascaline http://www.computersciencelab.com/ComputerHistory/History.htm

  9. Req. 2 – History & impact of computers • 1801 - Jacquard Loom

  10. Req. 2 – History & impact of computers • 1890 – Hollerith machine

  11. Req. 2 – History & impact of computers • 1944 - Mark I computer - Harvard/IBM. 1st programmable digital computer made in the U.S. 5 tons, 500 miles of wire, 8 feet tall & 51 feet long, ran non-stop for 15 years,

  12. Req. 2 – History & impact of computers

  13. Req. 2 – History & impact of computers • 1945 – Eniac -20 by 40 foot room, weighed 30 tons, and used more than 18,000 vacuum tubes

  14. Req. 2 – History & impact of computers • 1959 – IBM Stretch

  15. Req. 2 – History & impact of computers • 1970s – IBM Mainframes

  16. Req. 2 – History & impact of computers • 1970s – IBM Mainframes

  17. Req. 2 – History & impact of computers beads 300 BC sticks 1600s gears 1600s punched cards 1800s vacuum tube/relays 1940s transistors 1960s Integrated Circuits !!! Pentium II - 42,000,000

  18. Req. 2 – History & impact of computers

  19. The number of transistors per integrated circuit doubles about once every two years, while the price of the chip remains the same. In 1954, a transistor cost $5.52. By 2004, its price tag was a billionth of a dollar.

  20. Req. 4 – How it works

  21. # of 128s # of 64s # of 32s # of 16s # of 8s # of 4s # of 2s # of 1s 0 1 0 0 0 0 0 1 Decimal & Binary 4327 = 4 thousands + 3 hundreds + 2 tens + 7 ones One 64 + one 1 = 64 + 1 = 65

  22. Computer Speak “A” → 65 (ASCII) → 01000001 (Binary) →

  23. Req. 4 – How it works

  24. Req. 4 – How it works

  25. Req. 4 – How it works Data Storage

  26. Removable Data Storage 1972 - 8” 80kB 1978 – 5.25” 800kB 1987 – 3.25” 1440kB 2000’s 5,000,000,000 kb 3,500,000 floppies

  27. Req. 5 – Programs/Web • Requirement 5 – Do the following: • a. Explain what a program is and how it is developed. • b. Give three examples of programming languages, and describe their uses. • c. Name four software packages you or your family could use, and explain how you would use them. • d. Discuss ways you can help protect a computer from viruses and how to keep secure information that has been saved on a computer. • e. Describe how computers are linked to form the Internet and the World Wide Web.

  28. Req. 5 – Programs/Web A computer program is a set of instructions to the computer – also referred to as software.

  29. Req. 5 – Programs/Web

  30. Req. 5 – Programs/Web Data Storage

  31. Req. 5 – Programs/Web • Programming Languages • BASIC – educational/home • Visual BASIC – Windows user software • Fortran – engineering • COBOL – business • Visual Foxpro / SQL Server - database • C / C++ / C# - technical/math/anything • Visual C++ – Windows C++ user software

  32. Req. 5 – Programs/Web • Software Packages • Word – writing documents • Excel – spreadsheets • Power Point – presentations • Photoshop – graphics • AutoCAD – technicaldrawings • Cakewalk / Band in Box – music recording • MathCAD – math calculation

  33. Req. 5 – Programs/Web • Viruses - Software built to hurt your system • LoveLetter, Klez, Melissa, Magistr, Explorer.zip, Nimda, Benjamin, Code Red, Sircam • Don’t open suspicious emails • Don’t open any email attachments • Be careful with internet downloads • Use and regularly update virus protection software • Backup your files

  34. Req. 5 – Programs/Web • World Wide Web • url – web address • Browser – program to access web • Html – hypertext markup language • Hyperlink – a “jump” to another document

  35. Req. 6 – Use software • 6. Do THREE of the following: • database - create a troop roster • spreadsheet - develop a food budget for a campout. • word processor - write a letter, use mail merge • graphics - draw a campsite plan • presentation - at least 10 slides. • Internet search engine, ideas about court of honor • digital camera - take a picture, put on pc, email • computer chip-based devices – describe two

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