# Scenario in details for Designing a combinational circuit appropriate for a Hotel-Automation system that consists of the following outputs

Updated January 17, 2019
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Scenario in details for Designing a combinational circuit appropriate for a Hotel-Automation system that consists of the following outputs: Automate Window, Automate A/C, Automate Light, Automate Door, Automate Curtain, Automate TV, Automate water flush and Automate coffee maker using decoder. Decoder converts one type of coded information to another form. A decoder has ‘n’ inputs and an enable line (a sort of selection line) and 2n output lines.

Let us see diagram of 3×8 decoder which decodes a 3 bit information and there is only one output line which gets the value 1 or in other words, out of 23= 8 lines only 1 output line is selected. Thus, depending on selected output line the information of the 3 bits can be recognized or decoded. Logical Circuit Truth table A2 A1 A0 D0 D1 D2 D3 D4 D5 D6 D7 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 BOOLEAN EXPRETION D0 = A0′ A1′ A2′ D1 = A0 A1′ A2′ D2 = A0′ A1 A2′ D3 = A0 A1 A2′ D4 = A0′ A1′ A2 D5 = A0 A1′ A2 D6 = A0′ A1 A2 D7 = A0 A1 A2 Logic gates for the Hotel-Automation

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Scenario in details for Designing a combinational circuit appropriate for a Hotel-Automation system that consists of the following outputs. (2019, Feb 23). Retrieved from https://sunnypapers.com/scenario-in-details-for-designing-a-combinational-circuit-appropriate-for-a-hotel-automation-system-that-consists-of-the-following-outputs/