Skills: none Concepts: the quantity of data as measured in bits or bytes, prefixes for large numbers, abbreviation conventions, data ≠ information This work is licensed under a Creative Commons Attribution- Noncommercial-Share Alike 3.0 License. Data quantity – how much data?
Data quantity – how much data?. S kills : none C oncepts : the quantity of data as measured in bits or bytes, prefixes for large numbers, abbreviation conventions, data ≠ information. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. - PowerPoint PPT Presentation
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Skills: noneConcepts: the quantity of data as measured in bits or bytes, prefixes for large numbers, abbreviation conventions, data ≠ information
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.
Data quantity – how much data?
Where does this topic fit?
• Internet concepts– Applications– Technology– Implications
• Internet skills– Application development– Content creation– User skills
1. How many dollars is one megapenny?2. How many dollars is 1.5 megapennies?3. We call 8 bits a byte – what do we call 10 pennies? 4. How many eggs in 17 dozen?5. What is the capacity of your computer’s storage device?6. What is the capacity of your computer’s memory?7. How many bits will an 8GB flash drive hold?8. Which requires more storage – a 1Mb text file or a 1Mb image file?9. How many bytes in a 27,503 bit file?10. How many bits in a 27,503 byte file?11. Which would take longer to transmit across the Internet – a 1Mb text file or a 1Mb image file?12. At 10 Mb per second, how long will it take to transfer a 20 Mb file across the Internet?13. At 10 Mb per second, how long will it take to transfer a 20 MB file across the Internet?14. At 10 Mb per second, how long will it take to transfer a 2 Mb file across the Internet?15. At 10 Mb per second, how long will it take to transfer a 2 MB file across the Internet? 16. At 10 MB per second, how long will it take to transfer a 20 Mb file across the Internet?17. At 10 MB per second, how long will it take to transfer a 20 MB file across the Internet?18. At 10 MB per second, how long will it take to transfer a 2 Mb file across the Internet?19. At 10 MB per second, how long will it take to transfer a 2 MB file across the Internet? 20. Create a spreadsheet that can convert data quantities (see the calculator on the next slide).21. Create a spreadsheet to compute data transmission times given transmission speed and file size.22. You can count and do arithmetic in binary or decimal – what are the advantages and
disadvantages of each?
Data quantity conversion calculator:http://www.matisse.net/bitcalc/