Counters - Technical MCQs

Q1:

List which pins need to be connected together on a 7493 to make a MOD-12 counter.

A 12 to 1, 11 to 3, 9 to 2

B 12 to 1, 11 to 3, 12 to 2

C 12 to 1, 11 to 3, 8 to 2

D 12 to 1, 11 to 3, 1 to 2

ANS:C - 12 to 1, 11 to 3, 8 to 2

12 & 1 are clear pins, 11&3 are clk pins, 8&2 are input for 7493 FF.