PHONE :
1. Pass by value/ pass by reference. Write a function to swap 2 variables - ll u use pass by value or reference ?
2. Do the same to swap 2 objects (how does it change)
2. Detect 11010 sequence with moore and mealy state machines.
3. Use of const ? What ll happen if you declare above 2 objects as const.
4. Explain NB assignment and blocking assignment. About event regions.
5. Fibonacci -- iterative solution and recursive solution.
6. Disadvantages of a recursive solution.
7. Output of this code fragment :
reg a,b,c,d,w;
assign w = a;
initial
begin
a = 2;
c=5;
b<=c;
a=5;
end
what is output of all registers.
8. Explain RISC pipeline. What is the problems.
9. Explain about uvm driver etc.
ONSITE :
round 1: Round Robin Arbiter Design
round 2 : (1) Given a stack class implementation (LIFO) - there are 3 methods - push(), pop(), isempty(). Write a class using objects of given class to implement a FIFO. (2) Make best performance
Implement the dist functionality in c++. Given a set of weights mimic to provide randomization skewed to the specification (Basically, write a function that would do something similar to a 'dist' in system verilog).
round 3 : Given a divide by 3 state machine. Implement a divide by 5 statemachine. How many vectors are needed to verify it. So the circuit takes serial bit inputs and asserts if the number is a multiple of 3 or 5.
round 4 : Circuits project. Basic pipeline architecture. Design a pipeline for a histogram processor. In every cycle we get an instruction (CLR, ADD INCR). Handle dependencies using bypass.
round 5 : Given a producer and consumer. They are clocked with the same clock. Producer produces 80 writes for 100 clocks (no random). Consumer reads 8 times per 10 clocks. Find the FIFO depth. Write RTL and verify.
