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Question # 1) Design a 4-key digital lock that can be opened only when 2 or more adjacent keys are pressed. Keypad sample: A0 A1 A2 АЗ AO Digital Lock A1 A2 Circuit АЗ [Hint: Ai =1 when key “i" is pressed and Ai =0 when key “i" is not pressed. L=1 causes the lock to open]

Question # 1) Design a 4-key digital lock that can be opened only when 2 or more adjacent keys are pressed. Keypad sample: A0 A1 A2 АЗ AO Digital Lock A1 A2 Circuit АЗ [Hint: Ai =1 when key “i" is pressed and Ai =0 when key “i" is not pressed. L=1 causes the lock to open]

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Design a 4-key digital lock that can be opened only when 2 or more
adjacent keys are pressed.

 

[Hint: Ai =1 when key “i” is pressed and Ai =0 when key “i” is not
pressed. L=1 causes the lock to open]

Question # 1) Design a 4-key digital lock that can be opened only when 2 or more adjacent keys are pressed. Keypad sample: A0 A1 A2 АЗ AO Digital Lock A1 Circuit A2 A3 [Hint: Ai =1 when key "i" is pressed and Ai =0 when key "i" is not pressed. L-1 causes the lock to open]
Transcribed Image Text:Question # 1) Design a 4-key digital lock that can be opened only when 2 or more adjacent keys are pressed. Keypad sample: A0 A1 A2 АЗ AO Digital Lock A1 Circuit A2 A3 [Hint: Ai =1 when key "i" is pressed and Ai =0 when key "i" is not pressed. L-1 causes the lock to open]
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