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Daily Sprint

Daily Sprint. START. A water tank is filled with 2000 gallons of water. Each day, 4% of the water evaporates. No water is added to the tank. To the nearest gallon, which list best represents the water levels in the tank for the first five days? 2000, 1920, 1840, 1760, 1680

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Daily Sprint

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  1. Daily Sprint START • A water tank is filled with 2000 gallons of water. Each day, 4% of the water evaporates. No water is added to the tank. To the nearest gallon, which list best represents the water levels in the tank for the first five days? • 2000, 1920, 1840, 1760, 1680 • 2000, 1920, 1843, 1769, 1698 • 2000, 1992, 1984, 1976, 1968 • 2000, 1996, 1992, 1988, 1984 (show your work)

  2. Design Squad • Pull out a blank sheet of paper • Fold the sheet into 4 quadrants • Label the boxes on the front 1 – 4 • Label the boxes on the back 5 – 8 • Write one step of the design process in each box (1-8) • As we watch the video, fill in notes for each step you see being performed. (If I see good work, you will receive extra credit)

  3. Logic Gates

  4. Logic Gates • Digital Signals • Logic Gates • NOT (Inverter) Gate • AND Gate • OR Gate • NAND Gate • NOR Gate

  5. Each column represents a small amount of time Digital Signals Digital signals 0 (false) or 1 (true) Digital signal 1 is represented by a small voltage. Digital signal 0 is represented by no voltage. Digital Waveforms 1 0 0 1 0 1 1 0 1 (3V) 0 (0V)

  6. Logic Gates An electronic system that performs a logical operation on an input signal Gates process digital inputs to produce digital outputs. How do computer processors make decisions? How do they do math? Display images? Etc.? LOGIC

  7. Symbol 0 1 0 1 NOT (Inverter) Gate A logic gate that changes its input logic level to the opposite state 0 1 1 0 A Y Truth Table: A table listing all possible inputs to a circuit and the corresponding outputs Truth Table NOT Gate

  8. Logic Word Problems • If I am hungry and it is 5:00 p.m., then I will eat dinner. • If I pedal harder or go downhill, then my bike will go faster. • If it is windy and cold, then I am not going to walk home. • If my battery is dead or I forget headphones, then I cannot listen to my music. Each word problem uses the same logic as a common gate.

  9. Symbol AND Gate A logic circuit whose: Inputs both = 1 then, Output = 1 If I am hungry AND it is 5:00 p.m., then I will eat dinner.

  10. 0 1 1 0 1 0 1 0 0 1 0 1 0 0 1 0 0 1 0 1 AND Gate A 0 0 0 1 Y B Truth Table AND Gate

  11. OR Gate A logic circuit when: Either Input = 1 then, Output = 1 If I pedal harder OR go downhill, then my bike will go faster. Symbol

  12. 0 0 1 1 0 1 0 1 0 1 0 1 1 0 1 1 0 1 0 1 OR Gate A 1 0 1 1 Y B Truth Table OR Gate

  13. NAND Gate A logic circuit whose: Inputs both = 1 then, Output = 0 If it is windy AND cold, then I am NOT going to walk home. Symbol

  14. 0 0 1 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 0 1 NAND Gate A 1 0 1 1 Y B Truth Table NAND Gate

  15. NOR Gate A logic circuit when: Either Input = 1 then, Output = 0 If my battery is dead OR I forget headphones, then I will NOT listen to my music. Symbol

  16. 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 1 NOR Gate A 0 1 0 0 Y B Truth Table NOR Gate

  17. Logic Gates • Digital Signals • Logic Gates • NOT (Inverter) Gate • AND Gate • OR Gate • NAND Gate • NOR Gate

  18. Image Resources Microsoft, Inc. (2008). Clip Art. Retrieved September 10, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx

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