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Computer Merit Badge Merit Badge College 9 Feb 2008.

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Presentation on theme: "Computer Merit Badge Merit Badge College 9 Feb 2008."— Presentation transcript:

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 warning Financial Times - Jan 1, 2007 Parry 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 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… Requirement 1 - Online safety.

5 Computer System Safety 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. 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 $ "diamond special" ordered for Mother's Day. If the...

6 Requirement 1 - Online safety. Set and follow family computer rules Keep & use computer in family room Protect your privacy – address, phone#, address, school info, picture, passwords, financial info Don’t open s/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

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

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

11 Req. 2 – History & impact of computers Mark I computer - Harvard/IBM. 1 st 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 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

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20 Req. 2 – History & impact of computers

21 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.

22 Req. 4 – How it works

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

24 Computer Speak “A” → 65 (ASCII) → (Binary) →

25 Req. 4 – How it works

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27 Data Storage

28 Removable Data Storage ” 80kB 1978 – 5.25” 800kB 1987 – 3.25” 1440kB 2000’s 5,000,000,000 kb 3,500,000 floppies

29 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. Req. 5 – Programs/Web

30 A computer program is a set of instructions to the computer – also referred to as software.

31 Req. 5 – Programs/Web

32 Data Storage

33 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

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

35 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 s Don’t open any attachments Be careful with internet downloads Use and regularly update virus protection software Backup your files

36 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

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


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