|Which is correct?
Sequential logic has _____ combinational logic does not.
Explanation: Because both clauses are independent (they could stand by themselves as complete sentences), use a semicolon here. If you use a comma, that’s an error known as a comma splice.
You join the clauses with a semicolon instead of having two separate sentences to indicate that the clauses are closely related.
Grammar Girl has an entry about semicolons.
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