# Questions tagged [truth-table]

A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra, boolean functions, and propositional calculus—which sets out the functional values of logical expressions on each of their functional arguments, that is, for each combination of values taken by their logical variables.

6 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1answer
90 views

### Why doesn't this circuit simulation work?

I am trying to build a circuit using only encoders and decoders. This circuit will output the 1’s complement of 3 bit number. (For example: If I give it 010 it will give output 101.) I used a ...
0answers
31 views

### How do I verify my solution is correct for a circuit diagram?

The original problem: The trouble I'm having is that I'm not sure at all if my boolean expressions from the circuit diagram for (1) are correct; I also know that I ...
0answers
345 views

### FSM binary number divisible by 5 truth table

I am having trouble seeing if my truth table based on the exercise's instructions is correct (mostly because the instructions are really confusing me and the TA's explanation really didn't help, this ...
1answer
58 views

### Can someone double check if my truth table make sense to the problem statement?

Just wanted to double-check. Thanks in advance.
1answer
83 views

### Design a 4-bit binary counter using D flip-flop

I am learning logic circuit now.I am going to design a 4-bit binary counter with D-flip-flop.It counts from 0 to 15.And when the number reaches 15,the number wont change and remains 15.I am now ...
0answers
185 views

### Understanding complements on inputs

I've got a problem understanding formal writing down of complements on inputs. During my laboratory exercise I was working with a device that had D flip flop embedded in it. The goal was to ...