First interview: describe a FSM for the result of a sequence of binary input mod 5. Merge sort. Second : C/ verilog coding.
Design Verification Interview Questions
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Sorting, bit logic
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What is crosstalk? Ways to fix crosstalk? Relationship between Resistance/Capacitance to Length & Width What is charge sharing? How to fix? What is body effect? What is short channel effect? List several effects.
First Round: 1. AND and OR gate using 2:1 Mux 2. Single line logic to check if a number is a power of 2 3. Working of in-order pipeline 4. Inputs to the program counter in an in-order pipeline 5. Working of a Branch Predictor and operations on it 6. Converting the in-order pipeline to an out-of-order pipeline 7. Register renaming and examples of memory disambiguation 8. Recursive function to find factorial of a number Second Round: 1. Project implementation details from resume 2. Function to perform binary search, first using iterations and then using recursion - also, how to terminate the recursion if the key is not found
What is the scope of a static variable? Given multiple scenarios(static variables across files, in recursion, ect.)
Leetcode easy questions were asked
class A; function int foo(); int a; return ++a; endfunction endclass program tb; A a; int b, c; initial begin for(int i = 0; i < 10; i++) begin b = a.foo(); c = foo(); $display("B = %0d", b); $display("C = %0d", c); end end function int foo(); int a; return ++a; endfunction
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