MBit Interview Questions, Process, and Tips

Q1. What is setup and hold time
Ans. 
Setup and hold time are timing constraints in digital circuits to ensure proper operation of flip-flops.
• Setup time is the minimum amount of time data must be stable before the clock edge for proper capture.

• Hold time is the minimum amount of time data must be stable after the clock edge for proper capture.

• Violating setup time can lead to metastability issues, while violating hold time can lead to data corruption.

• Example...read more
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Q2. Give an elaboration on ur project
Ans. 
Developed a web application for online shopping with user authentication and payment gateway integration.
• Implemented user registration and login functionality using JWT tokens

• Integrated Stripe API for secure payment processing

• Designed responsive UI using HTML, CSS, and JavaScript

• Utilized Node.js and Express for backend development
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Q1. Synthesiszable operators
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Q2. Non synthesizable operators
Ans. 
Non-synthesizable operators are used in software development to perform operations that cannot be directly translated into hardware logic.
• Non-synthesizable operators include file operations, dynamic memory allocation, and floating-point arithmetic.

• These operators are used in software development for tasks that are not directly related to hardware implementation.

• Examples of non-synthesizable operators include 'malloc' f...read more
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Q1. Priority inversion
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Q2. Binary semaphore
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Q1. Malloc vs calloc
Ans. 
malloc is used to allocate memory without initializing it, while calloc is used to allocate memory and initialize it to zero.
• malloc allocates a block of memory of specified size but does not initialize the memory contents

• calloc allocates a block of memory of specified size and initializes all bytes to zero

• malloc is faster than calloc as it does not initialize the memory

• calloc is useful when you want to ensure that the ...read more
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Q2. What malloc will return
Ans. 
malloc will return a pointer to the allocated memory block
• malloc returns a void pointer (void *)

• It returns NULL if it fails to allocate memory

• Example: int *ptr = (int *)malloc(sizeof(int));
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Q1. I didn't get selected
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Duration - 1hr
topics covered - Python basics, Python advance, SQL, data structure (mainly focused on python),
OOPS, concepts.
Platform - Google meet

Q1. Duration - 1 hr topics - 1. Asked about designing-based questions for developing seamless software solutions. 2. Gives a brief about how their system works 3. Ask questions about how to better the curren...read more
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Q2. 1. what are multilevel and multiple inheritances 2. data structures in python 3. what is GIL 4. what is concurrency and can we achieve this in python 5. Find the third highest number from a given list
Ans. 
Questions on inheritance, data structures, concurrency, and coding problem
• Multilevel inheritance is when a subclass inherits from a superclass, which in turn inherits from another superclass

• Multiple inheritance is when a subclass inherits from multiple superclasses

• Python has built-in data structures like lists, tuples, sets, and dictionaries

• GIL stands for Global Interpreter Lock and is a mechanism in Python that allows...read more
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Q3. 1. How can we perform better tracking for the system errors for the background jobs and how we can handle these cases? 2. How we can scale this system for usage in a banking system or data warehouse where ...read more
Ans. 
Answering questions on error tracking and system scalability for software engineering consultant role.
• For error tracking, use logging frameworks like Log4j or Logback to log errors and exceptions. Use a centralized logging system like ELK stack to collect and analyze logs.

• For handling errors, use error handling techniques like try-catch blocks, error codes, and error messages. Use monitoring tools like Nagios or Zabbix...read more
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Q1. At first MBit called me and asked me about the basic details. After that they set up a meeting with TCS mulitple project leaders. MBit doesnt take ur interview, they only setup a call with TCS or the Clien...read more
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