Design a logic circuit for an ATM system. The ATM has three options: print a statement, withdraw money, or deposit money. The ATM will charge a $1 fee to: ● Withdraw money ● Print a statement without depositing money / Withdraw money ‘1’, ● Print statement w/o depositing money ‘1’ ● State of the ATM is ‘1’ when it charges $1.
Question
Design a logic circuit for an ATM system. The ATM has three options: print a statement, withdraw money, or deposit money. The ATM will charge a 1.
Solution
Designing a logic circuit for an ATM system involves creating a system that can handle multiple inputs and produce the correct output based on those inputs. Here's a step-by-step guide on how to design this system:
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Identify the Inputs: The inputs in this case are the three options the ATM provides: print a statement (let's call this input A), withdraw money (input B), and deposit money (input C).
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Identify the Outputs: The output is whether the ATM charges a $1 fee (let's call this output X). According to the question, the ATM charges a fee in the following cases: when money is withdrawn, when a statement is printed without depositing money, and when the state of the ATM is '1'.
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Create the Truth Table: A truth table is a mathematical table used in logic to compute the functional values of logical expressions on each combination of values taken by their logical variables. In this case, the truth table would look something like this:
A B C X 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 1 -
Create the Logic Circuit: Based on the truth table, we can create a logic circuit using OR and AND gates. The logic circuit would look something like this:
- An OR gate for the output of 'withdraw money' (B) and 'print a statement without depositing money' (A AND NOT C).
- The output of this OR gate would then be the final output (X).
This is a simplified version of the logic circuit and may need to be adjusted based on additional requirements or constraints.
Similar Questions
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