Now You're Speaking My Language!
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An Introduction to the World of Computer Binary (for Elementary students)! By Camille Smith.
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Now You're Speaking My Language!
- 1. NOW YOU‟RE SPEAKING MY LANGUAGE! Camille Smith B.S. Computer Science B.A. Spanish Language An Introduction to Binary Machine Code
- 2. Language is key to communication • There are ~195 recognized countries in the world • Up to 7,000 different languages are spoken around the world!
- 3. What language do computers use? BINARY • Programming languages number in the thousands! • BUT, ultimately all computer data is stored and read in binary – a series of ones and zeros
- 4. The 3 „B‟s of Binary 01110010 01101111 11001010 11110001 00010010 Binary – Binary is a number system. Computers use to it process information and communicate with other devices (this is also known as base 2) Bit – (binary digit) either a 1 or 0 (think of bits as the alphabet of the binary system, an ‘on’ and ‘off switch for computers) Byte – a bunch of 1s and 0s grouped together (usually 8 digits long) to represent a piece of digital information (think of bytes as words that can be linked to form computer readable sentences!)
- 5. If all we had was binary… I can understand a single digit! HELP!! What is that computer saying??? 11010110 01001101 01101000 11010110 01001101 01101000 11010110 01001101 01101000 11010110 01001101 01101000
- 6. Programming today is easier!!! High-level programming languages are more natural and human-readable and help make it easier for us to understand and write computer code! • Remember, programming languages number in the thousands! • BUT, ultimately all computer data is stored and read in binary – a series of ones and zeros
- 7. Let‟s Try It! A fun activity with Binary
- 8. Binary Basics… •••• •••• •••• •••• •• • •••• •••• •••• 0 0 0 0 0 16 x 8 x 4 x 2 x 1 x • Add up the number of “on” bits to compute the number • A bit is “on” if the value is 1 • In this example, the answer is 0 because none of the bits are “on”
- 9. Can you guess this number? •••• •••• •••• •••• •• • •••• •••• •••• 0 0 0 1 0 16 x 8 x 4 x 2 x 1 x Answer: 2
- 10. Can you guess this number? •••• •••• •••• •••• •• • •••• •••• •••• 0 1 1 0 0 16 x 8 x 4 x 2 x 1 x Answer: 12
- 11. Can you guess this number? •••• •••• •••• •••• •• • •••• •••• •••• 1 0 0 0 1 16 x 8 x 4 x 2 x 1 x Answer: 17
- 12. Can you convert to binary? •••• •••• •••• •••• •• • •••• •••• •••• 0 0 0 0 1 16 x 8 x 4 x 2 x 1 x Number: 1
- 13. Can you convert to binary? •••• •••• •••• •••• •• • •••• •••• •••• 0 1 0 1 0 16 x 8 x 4 x 2 x 1 x Number: 10
- 14. Can you convert to binary? •••• •••• •••• •••• •• • •••• •••• •••• 0 0 1 1 1 16 x 8 x 4 x 2 x 1 x Number: 7
- 15. Can you convert to binary? • Add another bit to the left most position to computer higher numbers •••••••• • Each•••• value to the left is double the amount (of its neighbor to the bit •••••••• •••• •••• right)•••• •••• •••• •• • •••••••• •••••••• •••• 1 0 0 0 0 0 32 x 16 x 8 x 4 x 2 x 1 x What’s Your Favorite Number? 35
- 16. Can you convert to binary? • Add another bit to the left most position to computer higher numbers •••••••• • Each•••• value to the left is double the amount (of its neighbor to the bit •••••••• •••• •••• right)•••• •••• •••• •• • •••••••• •••••••• •••• 0 0 0 0 0 0 32 x 16 x 8 x 4 x 2 x 1 x What’s Your Favorite Number? 35
- 17. Can you convert to binary? • Add another bit to the left most position to computer higher numbers •••••••• • Each•••• value to the left is double the amount (of its neighbor to the bit •••••••• •••• •••• right)•••• •••• •••• •• • •••••••• •••••••• •••• 1 0 0 0 1 1 32 x 16 x 8 x 4 x 2 x 1 x What’s Your Favorite Number? 35
- 18. Now a question for you… How does any of this relate to me? Why is it important?
- 19. We use “computers” everyday… We use computer programming to help us solve everyday problems!!!
- 20. Things that rely on programming… Websites (shopping, travel, social media…) Bank account systems Hospital computers and devices Motor vehicle licensing systems Grocery store self-service machines Airplane, space shuttles, robots Blu-Ray and DVD players and so much more!...
- 21. Camille‟s Top Reasons for STEM (6) You can work in hundreds http://ionfuture.org/ fields - Archeologist Pilot or Astronaut (Aeronautical Scientist / Aerospace Engineer) Zoo Keeper Famous Chef Zoologist / Animal Biologist (Food Engineer) Ecologist …and the list goes on
- 22. Camille‟s Top Reasons for STEM (5) Computer jobs will always be in demand For years, U.S. businesses have complained that they cannot find enough highly skilled workers in the technical fields. When companies do find them, they are often foreign workers... STEM jobs nationwide are expected to grow from 6.8 million to 8 million by 2018
- 23. Camille‟s Top Reasons for STEM (4) You make good pay, $$ STEM fields careers are some of the best-paying and have the greatest potential for job growth
- 24. Camille‟s Top Reasons for STEM (3) Working with computers can take you anywhere!!!
- 25. Camille‟s Top Reasons for STEM (2) You can build your own video games, and iPhone and Android apps!
- 26. Camille‟s Top Reasons for STEM (1) It‟s just plain COOL - always fun and innovative (ever evolving, changing and getting more creative)
- 27. THE END
Editor's Notes
- Sources:----------http://geography.about.com/cs/countries/a/numbercountries.htm http://www.bbc.co.uk/languages/guide/languages.shtml Many scientists also believe that knowledge of another language can boost your brainpowerspeaking two languages can help slow down the brain's decline with agepeople who use languages in their jobs earn around 8% more!
- All data in a modern digital computer is ultimately stored and transmitted as a series ofzeros and ones.Binary is more difficult than decimal for us to read as we are more used to decimal.A binary number has more digits than its decimal equivalent. i.e. it will be longer. http://en.wikipedia.org/wiki/List_of_programming_languages
- The computer does not understand the language of humans. It of course does not understand English or Arabic or any other human language. Moreover, man cannot communicate with computers, nor can they communicate with one another except by a special language called machine language or Binary language. This language is a very simple one and does not exceed two letters or two digits: 0s and 1s.Machine understandable languages are executed directly by a computer's central processing unit (CPU) and consists of instructions, written in machine code, that a computer can execute directly. Each machine language statement corresponds to one machine action. Machine language is actually read and understood by the computer. Machine code is the lowest-level language composed of machine code i.e. the combination of ‘Zeros’ & ‘Ones’ called Binary language (or binary codes). Machine languages are very hard to understand for humans because they consist entirely of numbers (1s,0s).The ones & zeros is the representation of electrical signals in the circuitry showing; peak voltage as one & lowest voltage as zero similar to square wave-form like shown in the figure:‘One’ can be taken as : Yes - True - ON(as peak voltage)‘Zero’ can be taken as : No - False - OFF(as lowest voltage
- SOURCE:Patuwo, Grace. “STEM Jobs Stay on the Rise, Reports U.S. Commerce Department. Journal Sentinel. (July 14, 2011)
- SOURCE:Terrell, Nicholas. “Occupational Outlook Quarterly”. Office of Occupational Statistics and Employment Projections, BLS. (Spring 2007)