The triangle indicates that the clock signal is an edge-triggered signal.
The circle indicates that the signal is low-active (ie., inverted).
The 74LS74 has a positive-edge trigger clock (low to high).
SELECT TO_CHAR (Tutor Report.Month, 'MONTH') MONTH, Tutor Report.MatchID, Match History.MatchID, MatchHistory.Tutor.ID FROM Tutor Report, MatchID WHERE <span>Tutor Report.MatchID=Match History.MatchID AND NOT (TutorReport.Month=‘JULY’);</span>
Answer:start a blog. I read the book.
Explanation: