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HCLTech Vlsi Design Engineer Interview Questions and Answers
HCLTech Vlsi Design Engineer Interview Experiences
2 interviews found
NABARUN DAS
75 MINUTE TEST aptitude, reasoning, coding
(2 Questions)
- Q1. ABOUT MY PROJECTS
- Q2. D FF VERILOG CODE
(2 Questions)
- Q1. ABOUT MY COLLEGE
- Q2. ABOUT MY BRANCH
Anonymous
I applied via Campus Placement and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. I am Very Much Interested in the VLSI Designer .
Interview Preparation Tips
What people are saying about HCLTech
Interview questions from similar companies
Kiruthika S
It comprises 30 questions divided into two sections, with the final section being gamified.
(1 Question)
- Q1. Candidates who have been shortlisted from the first round are invited to participate in the second round, which includes 30 questions related to VLSI Verilog code output and technical questions from the co...
(1 Question)
- Q1. Second round shortlisted students are invited to attend the interview..my slot is 3 pm but the
Selected
I applied via campus placement at Bengal Engineering College (BEC) and was interviewed before May 2023. There were 3 interview rounds.
It has logical, verbal, aptitude and programming
(1 Question)
- Q1. Regarding some circuit implementation and program writing
(1 Question)
- Q1. Regarding strength and weakness and about my family and educational background
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
(5 Questions)
- Q1. Compilation process in c
- Ans.
Compilation process in C involves preprocessing, compiling, assembling, and linking.
Preprocessing: Includes header files, macro expansions, and conditional compilation.
Compiling: Translates source code to assembly code specific to the target architecture.
Assembling: Converts assembly code to machine code in object files.
Linking: Combines object files and libraries to generate an executable file.
- Q2. Write a function pointer syntax?
- Ans.
Function pointer syntax allows for storing the address of a function in a pointer variable.
Syntax: return_type (*pointer_name)(parameters)
Example: void (*funcPtr)(int) = &someFunction;
- Q3. Discussion on current project?
- Q4. Reverse the string?
- Ans.
Reverse a given string
Use a loop to iterate through the characters of the string
Swap the characters from start to end of the string
Continue swapping until reaching the middle of the string
- Q5. Set , clear and toggle the bit
(2 Questions)
- Q1. Mostly salary discussion
- Q2. Tell about yourself
Interview Preparation Tips
- Embedded C
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Volatile keyword
- Q2. Project specific
(2 Questions)
- Q1. Salary expectations
- Q2. Reason for job change
I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.
(2 Questions)
- Q1. Basic question on coding , digital electronics
- Q2. Difference between d ram and s ram
- Ans.
DRAM is volatile memory that stores data temporarily, while SRAM is faster and more expensive but retains data as long as power is supplied.
DRAM stands for Dynamic Random Access Memory, while SRAM stands for Static Random Access Memory.
DRAM requires refreshing to retain data, while SRAM does not.
DRAM is slower and less expensive than SRAM.
Examples of DRAM include DDR3 and DDR4, while examples of SRAM include L1, L2, an
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Jul 2022. There were 2 interview rounds.
Basic c datastructucture networking l2 l3 questions
(5 Questions)
- Q1. Question on projects.
- 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
- Q3. Delete a node from single linked list.
- Ans.
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
- Q4. Dynamic memory alocation in c
- Ans.
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...
- Q5. Interprocess communication in OS
- Ans.
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().
Interview Preparation Tips
- Pointer array structure linked l
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1.explain what is a watchdog timer
- Ans.
A watchdog timer is a hardware or software component that monitors the operation of a system and resets it if necessary.
A watchdog timer is used to prevent system crashes or lock-ups by resetting the system if it becomes unresponsive.
It is typically implemented as a counter that needs to be periodically reset by the system software.
If the watchdog timer is not reset within a certain time period, it triggers a system re...
- Q2. 2.explain what is semaphore
- Ans.
Semaphore is a synchronization object used to control access to a shared resource.
Semaphore is a signaling mechanism used to control access to a shared resource
It allows multiple processes/threads to access the shared resource simultaneously
Semaphore maintains a count of the number of resources available
When a process/thread requests access to the resource, the count is decremented
When the process/thread releases the r...
- Q3. What is a interrupt latency
- Ans.
Interrupt latency is the time delay between the occurrence of an interrupt and the start of the routine that services the interrupt.
Interrupt latency is a critical factor in real-time systems
It can be affected by factors such as the priority of the interrupt and the current state of the processor
Reducing interrupt latency can improve system performance and responsiveness
Examples of interrupts include hardware interrupt...
- Q4. What does DMA address will deal with
- Ans.
DMA address deals with data transfer between memory and peripherals without CPU intervention.
DMA stands for Direct Memory Access.
DMA address is used to transfer data between memory and peripherals without CPU intervention.
DMA address is used to reduce the load on the CPU and improve system performance.
Examples of peripherals that use DMA include network cards, sound cards, and hard drives.
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed in Sep 2016.
Interview Questionnaire
2 Questions
- Q1. Almost every topic related to digital logic.
- Q2. It was telephonic round. They just told me about the confirmation of my selection.
Interview Preparation Tips
Tips: Nothing special. But you must have in depth knowledge of basic subjects of electronics.
Digital logic, analog circuits, Linear integrated circuits are few subjects which you should be completely knowing before you write any test for the job profile of VLSI engineer.
Additionally if you have the knowledge of verilog and vhdl, then it's best.
Duration: 3 hours
Total Questions: 45
Round: Technical Interview
Tips: In depth knowledge of digital logic is must. If you have time, learn the subjects from NPTEL website. It's the best website available to get in depth knowledge in any field.
College Name: RNS INSTITUTE OF TECHNOLOGY, Bangalore
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