Computer & Electronics Engineering. Objectives Understand Digital Logic Gates Construct & Simulate Digital Logic Circuits on the Computer.

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Presentation transcript:

Computer & Electronics Engineering

Objectives Understand Digital Logic Gates Construct & Simulate Digital Logic Circuits on the Computer

Switches for Light Control Page 13

Logic AND

AND Gate A BOUT

1 0 Logic OR

OR Gate A BOUT

Automotive Reminder System Key in Ignition(K) Door Open (D) Seatbelt Disconnected(S) Headlights On (H)

Automotive Reminder System key AND door OR key AND seatbelt OR light AND door OR

Automotive Reminder System Page 15

Automotive Reminder System Page 17

How to Use Electronics Workbench

Page 2

Build and test these circuits. Try to complete Circuits 1, 3, 5 & 6. Circuit 1: Wiring Residential Switches Circuit 2:Switches as Logic Elements Circuit 3:Automobile Buzzer System Circuit 5:Integrated Circuit Form of Automobile Buzzer System Circuit 6:Binary Counter – Seven Segment Decoder Circuit 7:Two Digit Binary Counter Circuit 8:Simplified Binary Counter Circuit 9:Four Digit Binary Counter

Binary Count B ADecimal

Binary Count C B ADecimal

Binary D C B ADecimalD C B ADecimal (A) (B) ( C) (D) (E) (F)

Binary Coded Decimal (BCD) D C B ADecimal

7 Segment Displays CodeSegmentsDigit a b c d e f g Display a “2”