1. Data Forms Lesson 2 – Term 2 2011 When you have logged in please turn your monitor off! Today: 1.Reminder of class rules 2.Data Forms

2. Classroom Rules 10IST H3 That we will take PRIDE in all we do Which means we: Participate: complete all activities. Respect: show everyone respect. Excellence: do everything to the best of our ability. We can listen to music with our headphones and as long as we are not having a class discussion We will have free time at the end of the lesson provided we have worked well Every lesson a blue merit will be handed out

3. Classroom Rules 10IST F1 That we will take PRIDE in all we do Which means we: Participate: complete all activities. Respect: show everyone respect. Excellence: do everything to the best of our ability. We will work collaborative with each other We will help each other out We will effectively communicate with each other

4. Data forms – Analogue Data Think of a clock Smooth rotation of hands -> represents a wave Analogue data is represented by a continuous wave What are some examples of analogue data?

5. Data forms – Analogue Data Examples: Where are these found? In the natural world.

6. Data forms – Analogue to Digital This process is known as digitising For example voice recording What are the benefits of the digital form? Describe what is digitising. Explain how it works. (Give at least 1 example) Class activity -> have a go at digitising (OCR)

7. Data forms – Analogue to Digital: OCR What does OCR stand for? Less have a go Upload the document to http://www.onlineocr.net/ Click UPLOAD Click RECOGNISE Wait for your image to be converted to text Copy and paste your converted text in the box below Discuss on the wiki when you think you could use OCR. http://10ist2011.wikispaces.com

8. Data forms – Digital to analogue Why? So we can interact with the data in the physical world Sound -> speakers Video -> analogue monitors So other analogue devices can interact with digital devices For instance, a modem Outline a basic diagram that explains how a modem works. Use a graphics software program.

9. Today Complete questions 1-6 on data forms Ensure you have completed the whole worksheet Your worksheet must be submitted to the dropbox folder on Thursday 5/5/2011 (10IST H3) or Friday 6/5/2011 (10IST F1) by the START of the lesson.