Digital techniques__ 2 marks questions.

 a) Convert the following hexadecimal number to decimal number

(i) (EF)16

(ii) (DAD)16

b) Convert the following decimal number to octal.

(i) (28)10

(ii) (62)10

c) Draw the symbol of EX-OR and EX-NOR gate along with 

its logical equation

d) Draw symbol of AND gate and write its truth table.

e) Draw the symbol of D-FlipFlop and T-FlipFlop.

f) Define Bidirectional Shift Register and Universal Shift Register.

g) State different triggering methods in digital circuits.

h) State DeMorgan’s theorems.

i) Convert the following:

(i) (111011)2 = ( ? ) gray code

(ii) (46)10 = ( ? ) excess-3 code

j) What is Modulus of counter? How many FlipFlops are required for MOD-11 counter.

k) Implement given logical equation using gates Y = AB+C