Define BCD code. Design BCD to Excess-3 Code converter with truth table and logic diagram. [10]
2.
Define combinational logic circuit. Design a combinational circuit whose input is a four-bit number and output is the 1's complement of the input number. [10]
Counters, Registers and Memory
1.
Define parallel counter. Design MOD-12 synchronous up counter along with state diagram, timing sequence and timing diagram. [10]
2.
Define PLDs. Implement the given functions with ROM. F1 = $(\Sigma(0,1,2)$, F2 = $\Sigma(0,2,3)$ [5]
3.
Differentiate between ring counter and Johnson counter. [5]
4.
Explain the operation of 4-bit Parallel-In parallel-Out Shift register with data input 1010. [5]
Digital Design Fundamentals and Boolean algebra
1.
Why NAND and NOR gates are called Universal logic gates? Realize NOR as Universal logic gates. [5]
2.
Simplify: F = X Y Z' + X Z' + X' Y + X'' Y Z' using K-Map in both SOP and POS. [5]
Number Systems, Operations and Codes
1.
Convert $(591.62)_{10}$ into hexadecimal and octal number system. [5]
Processor Logic Design
1.
Write short notes on: (Any two) a.) ASCII Code b.)Logic micro operation c.) State table [5]
Sequential Logic
1.
Describe the clocked master-slave J-K flip-flop with its operation table. [5]
2.
What is forbidden state in SR flip flop? Convert SR to JK flip flop. [5]