Binary logic

Binary logic

• 1.
  Binary Logic A451– 2.12 Computer Hardware
• 2.
  Get your brainslogged on Why do computers use binary?
• 3.
  Binary and computers
• 4.
  You need tobe able to: explain why data is represented in computer systems in binary form understand and produce simple logic diagrams using the operations NOT, AND and OR produce a truth table from a given logic diagram.
• 5.
  NOT, AND, ORHow does each gate work? How does the input(s) affect the output? a b a b NOT AND OR
• 6.
  Binary Logic Simulatorhttp://logic.ly/demo
• 7.
  NOT, AND, ORGates NOT AND OR
• 8.
  Logic Diagram ActivityWithout using the computer … complete the truth table for diagrams 1 to 3 on your worksheet.
• 9.
  Logic Diagram ActivityCheck your answers by using the logicly website to re-create the logic diagrams. http://logic.ly/demo
• 10.
  Car Safety SystemScenario The car warning light turns on until: Driver’s seatbelt is fastened All doors are shut If night time, headlights should be on. Extension
• 11.
  Car System Solution
• 12.
  Headlight Extension Solution
• 13.
  Challenge Using the XOR (exclusive OR) could you adapt your logic diagram to check if all occupied seats have their seatbelts fastened .
• 14.
  Which truth table?A B C A B Output 0 0 0 0 1 1 1 0 1 1 1 0 A B Output 0 0 0 0 1 1 1 0 1 1 1 1 A B Output 0 0 0 0 1 0 1 0 0 1 1 1
• 15.
  Which truth table?A B C A B Output 0 0 1 0 1 1 1 0 1 1 1 0 A B Output 0 0 1 0 1 0 1 0 0 1 1 0 A B Output 0 0 0 0 1 0 1 0 0 1 1 1
• 16.
  Which truth table?A B C A B Output 0 0 1 0 1 0 1 0 1 1 1 0 A B Output 0 0 0 0 1 0 1 0 0 1 1 1 A B Output 0 0 1 0 1 0 1 0 0 1 1 0
• 17.
  Recap – canyou: explain why data is represented in computer systems in binary form understand and produce simple logic diagrams using the operations NOT, AND and OR produce a truth table from a given logic diagram.