Unit1 Module2 Lesson1

Counting by 10′s can only get you to two.

Overview

The purpose of this lesson is get an overview of different numbersystems

Learner Outcomes

At the completion of this exercise:

• you will understand the concept of bases in number systems.
• you will be able to count in binary and convert to decimal.

Activities

• Watch the video in Resources section below.
• Reading Check: Respond to the following questions.
  Have your instructor review your answers.
  1. What is a positional number system ?
  2. What does the colum a number is in represent?
  3. What is the value of a number in a positional number system?
  4. What is a base of a number system?
  5. What is the difference between counting in base 8 compared to base 10?
  6. How do you convert from octal to decimal?
  7. What is a binary number system?
  8. How do you convert from binary to decimal?
  9. What is the relationship between binary and octal?
  10. How do you convert octal to binary?
  11. How do you convert binary to octal?
  12. Why do computer programmers prefer base 16?
  13. How many bits make a Byte?
  14. How many hex symbols make a Byte?
  15. How many bits make one hex symbol?
  16. Count upto 15 in hex.
  17. Convert 400 in hex to decimal then do an Internet search for that decimal number to find its significance.

Resources/Online Documents

All done?

Great! Make sure your instructor has reviewed your answers to the Reading Check. Please proceed to the next lesson.