What is decoder? Design BCD to Decimal Decoder with truth table and logic diagram. [10]
2.
Design a combinational circuit whose input is a four-bit number and output is 2's complement of the input number. [10]
3.
Implement a full subtractor with two half subtractors and one OR Gate. [5]
4.
Write short notes on: a.) Parity generator Write short notes on: a.) State Diagram [2.5+2.5]
Counters, Registers and Memory
1.
What is ring counter? Explain ring counter with diagram, timing sequence and timing diagram. [10]
2.
Compare the logic of synchronous counter and ripple counter. [5]
3.
Define shift register with its types. [5]
Digital Design Fundamentals and Boolean algebra
1.
Express the given function in sum of minterms. F = y'z + wxy' + wzx' + w'x'z' [5]
2.
Simplify the Boolean function using don't care conditions d in sum of products form. and product of sums form $F(A, B, C, D) = \pi(1, 3, 7, 8, 12) \text{ and } \pi d(5, 10, 13, 14)$ [5]
Number Systems, Operations and Codes
1.
Convert (1011.110) into decimal and hexadecimal. [5]
2.
Substract (1011.11- 1010.10) using 2's and l's complement. [5]
Sequential Logic
1.
Define SR latch with logic diagram and truth table. [5]