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Reminders

Reminders. Talk in English during all activities inside the class. You are expected to take notes. All written activities need to be written in your notebook. It is not an easy class!. For each row, determine which side is correct. The computer is able to store 2000 images.

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Reminders

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  1. Reminders • Talk in English during all activities inside the class. • You are expected to take notes. • All written activities need to be written in your notebook. • It is not an easy class!

  2. For each row, determine which side is correct • The computer is able to store 2000 images. • The computer’s store capacity is of 200 GB • That file weights more than the 3MB that Churchill net allows for attachments. • The computer is able to storage 2000 images. • The computer’s storage capacity is of 200 GB • That file size is 3MB, more than what Churchill net allows for attachments.

  3. Learning Objectives • By the end of the class you should be able to: • Identify the different measurement units used for storage devices. • State each storage measurement unit in terms of files. • Identify main uses of each unit.

  4. Storage measurement units • What is bigger 10 or 100? • What is bigger 10TB or 100YB? • Is it just enough that you know that 1 YB = 1000 EB?

  5. Storage Measurement Units • The basic measurement unit used for stored data in a computer is byte. • Bytes are also the smallest unit used and they represent one single character in a text file. • If you save a text file with the word HELLO in it, its file size would be 4 Bytes

  6. Storage Measurement Units • 1 Kilobyte (KB) is 1000 bytes • What do we measure in KB?

  7. Storage Measurement Units • 1 Megabyte (MB) is 1000 Kilobytes • What do we normally measure in MBs?

  8. Storage Measurement Units • 1 Gigabyte (GB) is 1000 Megabytes • What do we normally measure in GBs?

  9. Storage Measurement Units • 1 Terabyte (TB) is 1000 Gigabytes • What device(s) has a storage capacity of at least 1 TB?

  10. Storage Measurement Units • 1 Petabyte (PB) is 1000 Terabytes

  11. Storage MeasurementUnits • 20 Petabytes of spaceforiCloud (2011)

  12. Storage Measurement Units • 1 Exabyte (EB) is 1000 Petabytes • 295 Exabytes = Amounts of digital contents created or replicated in 2007

  13. Storage Measurement Units • 1 Zettabyte(ZB) is 1000 Exabytes

  14. Storage Measurement Units • 1 Yottabyte(YB) is 1000 Zettabytes

  15. Rainbow Group Work • Each group will be given a table. Each row has a description of an specific measure unit. Write in the space provide the measure unit that fits with the description. (3 minutes) • Failure to complete the task in the given time will mean extra homework. • Red: • Green: • Blue: • Yellow:

  16. Rainbows • Inside the new teams, all members will discuss their results generated in the previous step and will try to reach a unified conclusion. (2 minutes) • Failure to complete the task in the given time will mean extra homework. • Rainbow 1: • Rainbow 2: • Rainbow 3: • Rainbow 4:

  17. Table:

  18. Now is your turn to show what you know. • Individually you will answer a small quiz. • The main purpose of this activity is so you can know where you need to improve. (5 minutes)

  19. Quiz answers • Storage • Store • Weight • GB • MB • PB • KB

  20. Quiz Markscheme Explain • 1 marks: A limited response that indicates very little understanding of the topic. • 2-3 marks: A reasonable description of how the measurement units are used. Reasons are missing or not enough detailed. • 4 A clear detailed explanation (with reasons) of why the measurement units are important.

  21. Reasons • Can be fooled by someone telling you the computer has 1000 MB of RAM and sound a big number. • Can make a bad purchase if you think 100 GB is enough to download all your movies. • Can have trouble with CC or emails when trying to send an attached file. • Couldn’t differentiate between 10MB or 10 GB.

  22. Medal and Goal example. • Give mark from 1 to 4 according to the markscheme • Medal: Write a comment of something that your peer has done correctly in the explanation. • Ex: You have correctly described the importance of measurment units. • Goal: Write a comment of something your peer need to correct or work on to have a better grade. • Ex: When explaining you need to include reasons in your answer.

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