1. . Counters are made by connecting:
(A) Comparator
(B) Register
(C) Flip flop
(D) Adder
2. . Heart of digital system is:
(A) Both a & b
(B) Flip Flop
(C) Adder
(D) Counter
3. . Ripple counter is:
(A) simple
(B) ALL
(C) Frequency divider circuit
(D) low speed
4. . Modulus of counter is:
(A) No of its state
(B) No of flip flop
(C) Its work in 1 sec
(D) ALL
5. . The no of flip flop required for 4 bit counter:
(A) 04
(B) 3
(C) 2
(D) 16
6. . How many state of counter consists of n Flip flop:
(A) 2ⁿ
(B) n²
(C) n
(D) 2n²
7. . Synchronous counter is also called:
(A) Serial counter
(B) Program counter
(C) Parallel counter
(D) both a & c
8. . Mostly counters available in these IC:
(A) TTL
(B) Both a & b
(C) CMOS
(D) DTL
9. . Modulus of 3 bit binary is:
(A) 8
(B) 6
(C) 3
(D) 9
10. . The counter has low speed:
(A) Synchronous counter
(B) b & c
(C) serial counter
(D) ripple counter