Efftronics Systems Firmware Engineer Interview Questions and Answers

First round consists of online exam with basic aptitude,resoaning,verbal ability,basic digital electronics,microprocessors,communications,psuedo codes and C coding test.Coding questions were moderate but we have to attempt in C only.

Q1. First we had lot of psychometric tests followed by medical checkup and a psychology test.After this,Digital Electronics written exam conducted.Exam consisted of designing a circuit based on given specifica...read more
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Q2. Digital Electronics - FSM based design Programs - Generate square wave with 1KHz and 2KHz frequency on ports P1,P2 Prime number code and optimise it using any algorithm
Ans. 
Design FSM to generate square waves at 1KHz and 2KHz on ports P1 and P2, optimize prime number code.
• Implement a Finite State Machine (FSM) to generate square waves at 1KHz and 2KHz on ports P1 and P2.

• Use counters and timers to control the frequency of the square waves.

• Optimize the prime number code by using algorithms like Sieve of Eratosthenes or trial division.
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Q1. Basic HR questions
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Given 3 basic codes to solve

Q1. Dec, micro controllers
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Q1. Network analysis,circuit diagrams problems,electronics
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Q1. Very very tough they asked me to write code i said i know know basics.Soo many questions from C,compilation process,storage class,memory allocation types,heap segment,mpmc,zener diode,amplifier .....some ...read more
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