Question: U 2 is a shift register that controls the 2 - digit 7 - segment display on the QUTy. The shift register's outputs, Q 0

U2 is a shift register that controls the 2-digit 7-segment display on
the QUTy. The shift register's outputs, Q0-Q6, drive the LED segments of
the display in an active-low configuration, while output Q7 selects the
LHS or RHS digit via U3 and U4.

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