Maths (5 - 6qns):(15-20 mins) Q.going from one street to another, max probability of dropping a packet in between JAVA (30 mins): 2 coding qns: 1. stack paranthesis balancing 2. some recursion problem MCQs 1. on synchronized block , efficiency of two functions 2. JVM garbage collector Python 2 coding qns: MCQ : 1. on inheritance 2. super Synchronized, thread qns
Basic to Advanced level Controls and Programming questions
Heavy on C## object oriented programing, analyze code snippets etc. Technical interview involved some simple math and Matlab questions as well.
Technical round
Java part: Valid parenthesis. Inherit a class and override add（int a, int b), return a+b. Garbage collection, finalized, which has override for String: +, - , *, /
C++, Matlab, signal processing - Majorly all transform and their intuitive explanations.
What' your skills for this job...
Maths: 1. What is Null Space of a matrix? 2. Calculate inverse of [3 2;1 1]; 3. Calculate Eigen Value(s) of [3 -1; 1 5]; 4. Solve for y(x) ; dy/dx = cos x /2x; 5. Solve above for boundary condition: y(0)=1; 6. Lim x0 sin x /x; Find the limits Signal Processiong: • Same Qs as mentioned in the website • Extra are as below: Y(n) = 0.2 y(n-1) + 2 x(m); Which Filter will you use? h(n) = 12301 x 10^3 ; Which filter will will you use? 1. Concept of Cross-correlation 2. Concept of Z-transform 3. Diffference between Fourier Series and Fourier transform 4. Concept of LTI – Linear time-invariant system theory C-Programming: 1. Concept Global ____ and Local_______ something? 2. Typedef 3. Const and #def 4. “stdio.h” and (stdio.h) 5. Pointers 6. Null Pointer 7. Other Similar Qs in the list on website Matlab Programming: 1. Concatenation Execution both using command and without using command. 2. Similar Qs as mentioned in the List.
no difficult in first interview. Just went through resume.
derivation for the sum of natural numbers
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