2. How the computer stores data and the Number System By the IT Department

3. Objectives of today’s session. The terms – discrete data, continuous data, bi- stable device, binary number system, denary number system, number system, human- readable data, machine –readable data, natural numbers, whole numbers, integers, real numbers, magnitude, base, number, digit The Difference between a number and a digit How to identify bases Positional values in number bases How to convert from decimal to binary How to convert from binary to decimal Positional values in number bases

4. Anticipatory Set

5. Teacher Guided Questions What is a computer’s memory made up of? What is a bi-stable device? What is a number system? What is a digit? What is a number? What is the base of a number? What is meant by the magnitude of a number? What is meant by the term positional value?

6. Direct Instruction

7. Introducing Number Systems

8. Conversion of Decimal to Binary

9. Teacher Guided Practise

10. Conversion of Binary to Decimal

11. Teacher guided Practise

12. Game Time

13. Journaling ITEMS NEEDED: Paper Pencil Crayons, Markers or Colored Pencils INSTRUCTIONS Draw a picture of illustrating how numerical data is converted from binary to decimal and from decimal to binary Ensure that you identify the digit position values, the number bases and the magnitude of the number

14. Plenary NUMBER SYSTEM

15. Independent Practise Log On to IT for CSEC Chapter 5 Exercise 1 Questions 1 to 4 Read pages 50 to 54 (stop before Representing signed numbers)