Possible situation for a combination lock

The given four states are “A”, “B”, “C” and “D”.

When the lock is open, then it is in state “D” and if it is not open, then it performs zero on state “A”, one on state “B” and two on state “C”.

In order to open a lock, the combination should be understood.

For the mechanism of locks to work properly, it is necessary to understand the state of the lock...

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Chapter 3, Problem 42E

Chapter 3, Problem 44E

Chapter 3 Solutions

Introduction To Computing Systems

Ch. 3 - Prob. 1E Ch. 3 - Replace the missing parts in the following circuit...Ch. 3 - A two-input AND and a two-input OR are both...Ch. 3 - Replace the missing parts in the following circuit...Ch. 3 - Complete a truth table for the transistor-level...Ch. 3 - For the transistor-level circuit in Figure 3.38,...Ch. 3 - Prob. 7E Ch. 3 - The transistor-level circuit below implements the...Ch. 3 - What does the following transistor circuit do? Ch. 3 - For what values of A, B, C, D, E, and F will the...

Ch. 3 - A student knew that an inverter contained one...Ch. 3 - The following logic diagram produces the logical...Ch. 3 - The following logic circuits consist of two...Ch. 3 - Fill in the truth table for the logical expression...Ch. 3 - Fill in the truth table for a two-input NOR...Ch. 3 - Prob. 19E Ch. 3 - How many output lines will a 16-input multiplexer...Ch. 3 - Prob. 21E Ch. 3 - Given the following truth table, generate the...Ch. 3 - Prob. 23E Ch. 3 - Prob. 24E Ch. 3 - Logic circuit 1 in Figure 3.39 has inputs A, B, C....Ch. 3 - You know a byte is eight bits. We call a four-bit...Ch. 3 - Prob. 28E Ch. 3 - Prob. 29E Ch. 3 - Say the speed of a logic structure depends on the...Ch. 3 - Recall that the adder was built with individual...Ch. 3 - For this question, refer to the figure that...Ch. 3 - Prob. 35E Ch. 3 - A comparator circuit has two 1-bit inputs A and B...Ch. 3 - If a computer has eight-byte addressability and...Ch. 3 - Prob. 38E Ch. 3 - Refer to Figure 3.21, the diagram of the...Ch. 3 - Given a memory that is addressed by 22 bits and is...Ch. 3 - Prob. 42E Ch. 3 - Prob. 43E Ch. 3 - Prob. 44E Ch. 3 - Prob. 47E Ch. 3 - Refer to Figure 3.32. Why are lights 1 and 2...Ch. 3 - Prob. 49E Ch. 3 - We have learned that we can write one bit of...Ch. 3 - A student decided to design a latch as shown...

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