Regami Solutions Embedded Engineer Interview Questions and Answers

Q1. Advanced embedded
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Array, linked list ,oops

Structure, union and project work

Q1. What is pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers are used to access and manipulate memory directly.

• They are often used in programming languages like C and C++.

• Example: int *ptr; // declares a pointer to an integer variable
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Q2. What is stack ?
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Stack is a data structure that follows Last In First Out (LIFO) principle, used for storing temporary data in a program.
• Stack is a linear data structure with two main operations: push (adds data) and pop (removes data).

• Example: function call stack in programming languages like C, where function calls are added and removed in a LIFO manner.

• Stack memory is used for local variables and function call management.

• Stack overf...read more
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Basic c datastructucture networking l2 l3 questions

Q1. Question on projects.
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Q2. How packet goes from source to destination.
Ans. 
Packets are sent from source to destination through a series of network devices using routing protocols.
• Packet is created at the source with source and destination IP addresses.

• Packet is sent to the default gateway or router.

• Router checks its routing table to determine the next hop for the packet.

• Packet is forwarded to the next hop until it reaches the destination.

• Destination receives the packet and sends an acknowledg
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Q3. Delete a node from single linked list.
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To delete a node from a single linked list, we need to find the node and update the pointers.
• Traverse the list to find the node to be deleted

• Update the previous node's pointer to point to the next node

• Free the memory of the node to be deleted
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Q4. Dynamic memory alocation in c
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Dynamic memory allocation in C allows allocation of memory at runtime.
• Dynamic memory allocation is done using functions like malloc(), calloc(), realloc() and free().

• malloc() allocates memory block of specified size and returns a pointer to the first byte of allocated memory.

• calloc() allocates memory block of specified size and initializes all bits to zero.

• realloc() changes the size of previously allocated memory block...read more
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Q5. Interprocess communication in OS
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Interprocess communication is a mechanism that allows processes to communicate with each other in an OS.
• IPC mechanisms include pipes, sockets, message queues, shared memory, and signals.

• IPC can be used for synchronization, data sharing, and coordination between processes.

• IPC can be implemented using system calls such as fork(), pipe(), socket(), and msgget().
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Q1. What about your self
Ans. 
I am a dedicated and passionate embedded engineer with a strong background in programming and hardware design.
• Proficient in programming languages such as C, C++, and Python

• Experience in designing and implementing embedded systems

• Familiarity with microcontrollers and microprocessors

• Strong problem-solving and analytical skills

• Excellent communication and teamwork abilities
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Q2. What is your name
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My name is not available.
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Q3. Ok then what was the theme of the job
Ans. We empovering congnizent compy in any culture
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It was really good and the interview was proctored

It consists of five questions and they are also mid level questions