About SignOff Semiconductors
Company Description
SignOff Semiconductors is a leading innovator in the semiconductor industry, specializing in the design and manufacture of cutting-edge electronic components that power a wide range of devices. The company prides itself on its commitment to quality, sustainability, and technological advancement. With a collaborative and inclusive work culture, SignOff Semiconductors fosters an environment where creativity and innovation thrive. Employees are encouraged to share ideas, take risks, and grow professionally, leading to a dynamic and engaging workplace. The company values diversity and inclusion, recognizing that a diverse workforce drives better decision-making and innovation. At SignOff Semiconductors, employees enjoy a balanced work-life environment, with flexible working hours and opportunities for remote work, ensuring that they can maintain both personal and professional commitments.
Hardware Engineer Interview Questions
Q1: What experience do you have with circuit design and simulation tools?
I have extensive experience using tools such as Cadence, Altium Designer, and LTspice for circuit design and simulation. In my previous role, I designed and tested various analog and digital circuits, ensuring they met the required specifications.
Q2: Can you describe a challenging hardware project you worked on?
In my last project, I worked on developing a power management system for a mobile device. The challenge was to optimize power consumption while maintaining performance. I implemented various power-saving techniques and successfully reduced the overall power usage by 30%.
Q3: How do you approach debugging hardware issues?
My approach to debugging involves a systematic process: first, I recreate the issue to understand the symptoms; then, I use tools like oscilloscopes and multimeters to diagnose the problem. I document my findings and methodically test each component until the root cause is identified.
Q4: What are your experiences with PCB design and fabrication?
I have designed multiple PCBs using CAD tools and managed the fabrication process. I ensure that designs adhere to industry standards and work closely with manufacturers to troubleshoot any issues that arise during production.
Q5: How do you stay updated with the latest trends in hardware engineering?
I regularly read industry publications, participate in webinars, and attend conferences. I also engage with online communities and forums where professionals share insights and advancements in hardware engineering.
Software Engineer Interview Questions
Q1: What programming languages are you proficient in, and which do you prefer for embedded systems?
I am proficient in C, C++, and Python, and I prefer C for embedded systems due to its efficiency and control over hardware. In my last project, I used C to develop firmware for a microcontroller-based device.
Q2: Can you explain your experience with software development life cycle (SDLC)?
I have experience with various SDLC methodologies, including Agile and Waterfall. I have participated in all stages, from requirements gathering to deployment, and I emphasize continuous integration and testing to ensure high-quality software.
Q3: How do you handle version control in your projects?
I use Git for version control, which allows me to track changes, collaborate with team members, and manage project branches efficiently. I ensure that commit messages are clear and that I follow best practices for branching and merging.
Q4: Have you worked with embedded systems? If so, can you provide details?
Yes, I have worked extensively with embedded systems. For instance, I developed real-time software for a robotics project that involved sensor integration and control algorithms, ensuring responsive and accurate system behavior.
Q5: Describe a time when you faced a significant programming challenge and how you overcame it.
I once encountered a critical bug in the firmware just before a product launch. I conducted a thorough code review, identified the issue related to memory management, and implemented a fix within a tight deadline, ensuring the product was released on time.
Test Engineer Interview Questions
Q1: What testing methodologies are you familiar with?
I am familiar with both manual and automated testing methodologies, including regression testing, integration testing, and system testing. I have experience using tools like Selenium and JUnit for automated testing.
Q2: How do you prioritize testing tasks in a project?
I prioritize testing tasks based on risk assessment, focusing first on critical features and functionalities that impact user experience. I also consider the project timeline and collaborate with developers to identify areas that need immediate attention.
Q3: Can you explain your experience with writing test cases?
I have written comprehensive test cases based on requirement specifications. I ensure that each test case is clear, concise, and covers all possible scenarios, including edge cases, to ensure thorough testing.
Q4: What tools do you use for tracking defects?
I use tools like JIRA and Bugzilla for tracking defects. I document all relevant information, including steps to reproduce, severity, and screenshots, to facilitate effective communication with the development team.
Q5: Describe a situation where you found a critical defect. What was your approach?
During a pre-release testing phase, I discovered a critical defect affecting system stability. I immediately documented the issue and communicated it to the development team. We held a meeting to discuss the impact and prioritize the fix, and I assisted in retesting once the issue was resolved.
Product Manager Interview Questions
Q1: What experience do you have in product management, particularly in the semiconductor industry?
I have over five years of experience in product management within the semiconductor industry. I have successfully led product roadmaps, managed cross-functional teams, and worked closely with engineering, marketing, and sales to bring products from concept to launch.
Q2: How do you define a product vision and strategy?
I define a product vision by understanding customer needs, market trends, and competitive landscape. I collaborate with stakeholders to create a clear vision and develop a strategy that aligns with the company’s goals and customer expectations.
Q3: Can you describe your experience with market research and analysis?
I conduct market research through surveys, interviews, and analysis of industry reports. This helps me identify customer pain points and opportunities, which I use to inform product development and positioning strategies.
Q4: How do you prioritize features for a product release?
I prioritize features based on a combination of customer feedback, strategic goals, and development resources. I utilize frameworks like the MoSCoW method to classify features as Must-have, Should-have, Could-have, and Won't-have in the current release.
Q5: Describe a time when you had to make a tough decision regarding a product feature. What was your approach?
In one project, I had to decide whether to delay a feature that was not meeting quality standards or push it to production. After consulting with the development team and considering customer impact, I chose to delay it, ensuring we delivered a high-quality product that aligned with our brand values.
Company Background and Industry Position
SignOff Semiconductors, although not a household name like Intel or Qualcomm, has carved out a solid niche in the semiconductor ecosystem. They specialize in specialized chip design, particularly focusing on embedded systems and custom ASICs for industrial IoT applications. Their agile, innovation-driven approach places them somewhere between a startup and a mature mid-sized tech firm, which means their hiring culture reflects both creativity and discipline.
Understanding SignOff’s industry position helps candidates set realistic expectations. They’re not chasing mass-market consumer chips but rather tackling complex, highly specialized problems that demand deep technical know-how and a hands-on mindset. This technical focus heavily influences their recruitment strategy — they seek candidates who not only have academic credentials but can demonstrate applied problem-solving skills and adaptability in fast-moving projects.
How the Hiring Process Works
- Application Screening: Initial resume and profile evaluation by the HR team. Here, the focus is on relevant education, skills, and prior experience aligned with the job roles.
- Technical Assessment: A timed online test or a take-home assignment designed to gauge the core technical competencies required by the position.
- Technical Interview Rounds: Typically two to three rounds, conducted by senior engineers and team leads, delving into your problem-solving approach, domain knowledge, and practical coding or design skills.
- HR Interview: Focused on cultural fit, communication skills, career aspirations, and understanding of the company’s mission.
- Final Offer Discussion: Compensation negotiation and clarifications regarding joining formalities and expectations.
This process is a little more layered than some startups but less bureaucratic than large conglomerates. It balances thorough technical evaluation with a genuine interest in who you are as a person — an approach that helps SignOff maintain their close-knit yet expert-driven workforce.
Interview Stages Explained
Application Screening and Eligibility
At this stage, the HR team filters out unqualified resumes based on eligibility criteria — educational background, relevant experience, and sometimes specific skills or certifications. Unlike some companies that apply a rigid checklist, SignOff is somewhat flexible if the candidate demonstrates potential through projects or internships. But it’s clear from many candidate reports that they prioritize candidates from top technical universities or those with hands-on embedded systems experience.
Technical Assessment
This step often feels like the gatekeeper. Candidates encounter questions ranging from semiconductor fundamentals to coding challenges, depending on the role. For instance, a chip design engineer might face questions on VLSI design principles, while an embedded software engineer deals with real-time OS concepts and C programming problems. The rationale behind this phase? It quickly filters out candidates lacking the essential technical foundation before investing time in interviews.
Technical Interview Rounds
This is where candidates often feel the pressure mounting. Interviewers expect not just textbook answers but a demonstration of deep understanding and practical thinking. For example, when asked about low-power design techniques, successful candidates not only list methods but also discuss trade-offs and past project applications. The rounds may involve whiteboard problem-solving, logic design, or simulation exercises. Sometimes, interviewers throw curveballs to see how candidates react under uncertainty — an indicator of their real-world on-the-job approach.
HR Interview
Once technical hurdles are cleared, the conversation shifts. HR wants to assess soft skills, cultural alignment, and motivation. Questions like “Why SignOff?” or “Describe a challenge you faced at work” reveal who fits into their collaborative and problem-solving culture. Candidates often find this interview less intimidating but crucial for making a lasting impression beyond pure technical prowess.
Offer and Negotiation
Successful candidates enter salary discussions, which can sometimes surprise newcomers. SignOff offers competitive packages for the semiconductor market but expect a pragmatic approach — the company values transparency and open dialogue here. Candidates who come prepared with a clear understanding of industry salary ranges and their own value tend to negotiate more effectively.
Examples of Questions Candidates Report
- Technical Interview: “Explain how you would optimize power consumption in an ASIC design while meeting performance targets.”
- Coding Challenge: “Write a function in C that manages memory allocation for real-time embedded systems within strict latency constraints.”
- Problem-solving: “Given a faulty chip prototype, how would you systematically isolate and diagnose the issue?”
- HR Interview: “Can you tell us about a time when you had to learn a new technology quickly to meet a project deadline?”
Eligibility Expectations
SignOff Semiconductors tends to look for candidates with degrees in electrical engineering, computer engineering, or closely related fields. For senior roles, a Master’s or PhD is often preferred, especially in chip design or semiconductor physics. However, real-world experience trumps textbook qualifications in many cases. Candidates with internships or project experience involving FPGA programming, embedded systems, or ASIC development stand out.
For entry-level positions, a GPA threshold around 7.0 on a 10-point scale is common but not absolute. They care more about problem-solving ability and adaptability than perfect academic records. Certain roles may require familiarity with tools like Cadence, Synopsys, or embedded C compilers, so that’s part of the eligibility filter as well.
Common Job Roles and Departments
SignOff’s recruitment covers a spectrum of semiconductor-related roles:
- ASIC Design Engineers: Working on digital and analog integrated circuit design, verification, and testing.
- Embedded Software Developers: Writing firmware for microcontrollers and developing device drivers for custom hardware.
- Verification Engineers: Engaged in simulation and validation of chip designs using SystemVerilog or UVM.
- Physical Design Engineers: Handling floor-planning, placement, and routing of chip components.
- Test Engineers: Designing test procedures and validating manufacturing yields for chip batches.
- Product Management and Quality Assurance: Overseeing product lifecycle and compliance with industry standards.
Each department’s recruitment rounds will vary slightly to emphasize skills relevant to that domain. For example, verification engineers might face more simulation-based tasks, whereas embedded developers get coding-heavy interviews.
Compensation and Salary Perspective
| Role | Estimated Salary (INR Annual) |
|---|---|
| Entry-level ASIC Design Engineer | 6,00,000 - 8,00,000 |
| Embedded Software Engineer | 5,50,000 - 7,50,000 |
| Verification Engineer | 7,00,000 - 9,00,000 |
| Senior Physical Design Engineer | 10,00,000 - 14,00,000 |
| Test Engineer | 5,00,000 - 7,00,000 |
| Product Manager | 12,00,000 - 16,00,000 |
SignOff’s packages sit comfortably within the mid-tier semiconductor employer bracket. They’re competitive enough to attract skilled engineers but tend to offer less than giant MNCs with deep pockets. However, candidates often cite the technical challenges and scope of work as a significant draw that balances slightly lower pay in some cases.
Interview Difficulty Analysis
Overall, the SignOff Semiconductors interview is moderately challenging. It’s not impossible, but it demands strong preparation and genuine domain understanding. The technical rounds are the real hurdle; merely memorizing concepts won’t cut it. Interviewers test your ability to think on your feet and apply theoretical knowledge practically — which naturally weeds out unprepared candidates.
Compared with other semiconductor companies, SignOff’s process is leaner than giants like Texas Instruments but more intensive than smaller startups that may skip formal assessments. Candidates often describe the experience as intellectually stimulating yet fair. The HR interview carries less weight but is critical for securing the final offer.
Preparation Strategy That Works
- Understand the core semiconductor concepts: Brush up on device physics, chip architecture, and digital/analog design techniques.
- Practice coding in C and system-level programming, especially for embedded roles.
- Review problem-solving exercises related to circuit debugging and optimization – this is a frequent interview theme.
- Gain familiarity with industry-standard tools like Cadence or Synopsys if relevant to your role.
- Simulate mock interviews focusing on whiteboard explanations — clarity and communication matter.
- Prepare concrete examples from your past projects emphasizing your contribution and learning.
- Research SignOff’s recent products and industry direction to tailor your answers during the HR round.
- Maintain a positive, flexible mindset — interviewers appreciate curiosity and honesty over rote perfection.
Work Environment and Culture Insights
Inside SignOff, candidates often report a culture that values technical excellence but also teamwork and openness. Because they work on highly specialized semiconductor products, collaboration across departments is critical — engineers frequently interact with product managers and test teams.
The environment leans towards startup-like agility but with more process discipline, especially in design verification and testing phases. Employees say the management encourages continuous learning and is approachable, which helps reduce typical industry stress. Work-life balance is respected more than in some aggressive tech firms, though crunch times around product launches do happen.
Career Growth and Learning Opportunities
SignOff invests in its talent with a clear roadmap for career progression. Engineers can choose technical deep dives, such as becoming domain experts in ASIC design or pivot toward leadership roles managing cross-functional teams. They also sponsor certifications and training sessions to keep pace with evolving semiconductor technologies.
For those passionate about R&D, the company offers opportunities to participate in industry conferences and publish papers, which is a rarity in many private semiconductor firms. This commitment to nurturing expertise makes SignOff attractive to mid-career professionals eager to grow.
Real Candidate Experience Patterns
From conversations with recent applicants, a few patterns stand out. Candidates often appreciate the transparency in communication — HR usually gives clear feedback timelines. However, some mention that technical rounds can feel intense due to the interviewers’ probing style, especially when digging into project details.
Many also note that preparation pays off exponentially. Those who show enthusiasm and try to link their experience with SignOff’s domain tend to leave a stronger impression. Interestingly, a few candidates recall cases where unconventional questions tested their problem-solving creativity rather than textbook knowledge, which made the process less predictable but more rewarding.
Comparison With Other Employers
| Aspect | SignOff Semiconductors | Large Semiconductor MNCs | Smaller Startups |
|---|---|---|---|
| Interview Rigor | Moderate to high, multi-stage | High, very structured | Low to moderate, sometimes informal |
| Salary Competitiveness | Mid-tier | High | Variable, sometimes equity-heavy |
| Technical Focus | Highly specialized, applied problems | Broad, sometimes segmented | Practical, fast iteration |
| Work Culture | Collaborative, semi-startup | Corporate, process-heavy | Dynamic, flexible |
| Career Growth | Clear, technical and managerial paths | Structured, highly competitive | Opportunities but less formalized |
Considering these factors, SignOff stands out as a solid middle ground for engineers seeking depth without the overwhelming scale of giant corporations or the uncertainty of startups.
Expert Advice for Applicants
Don’t just prepare to answer questions mechanically. Instead, focus on understanding the “why” behind each technical concept and how it applies to real-world challenges. SignOff favors candidates who can think critically and communicate clearly. Practice explaining your thought process aloud — this can make a huge difference in interviews.
Also, tailor your resume and interview stories to align with SignOff’s domain — IoT embedded systems, custom chip design, and industrial applications. Generic answers won’t cut it here. Finally, be patient. Their process may take weeks, but persistence and genuine interest often tip the scales in your favor.
Frequently Asked Questions
What kind of technical interview questions does SignOff Semiconductors ask?
Expect questions that test your fundamental semiconductor knowledge, design skills, and problem-solving ability. For software roles, embedded C programming and real-time system questions are common. The company looks for practical understanding rather than theoretical memorization.
How many recruitment rounds are typical in their selection process?
Generally, there are about four to five rounds, including an initial screening, technical assessments, multiple technical interviews, and an HR interview. The exact number can vary by role and candidate performance.
Is there a coding test for non-software roles?
It depends. For embedded software roles, definitely yes. For pure hardware or ASIC design positions, the assessment focuses more on domain-specific problems, logic design, and sometimes scripting related to verification.
What is the expected salary range for freshers?
Entry-level compensation typically ranges between ₹5,00,000 to ₹7,00,000 per annum, depending on the role and candidate background.
What’s the best way to prepare for SignOff’s interviews?
Deeply understand your core technical areas first. Supplement this with mock interviews that emphasize clear communication and practical problem-solving. Research the company’s products and values to tailor your responses during HR rounds.
Final Perspective
SignOff Semiconductors represents an intriguing opportunity in the semiconductor job market. Their interview process is a thoughtful blend of technical rigor and cultural fit assessment, designed to select candidates who will thrive in a technically demanding yet collaborative environment. While the process may appear daunting at first, with targeted preparation and a genuine passion for semiconductor technology, candidates can navigate it successfully. The company’s niche in embedded and industrial applications means your work will have tangible impact — a rewarding prospect for many engineers.
To sum it up, preparing for SignOff’s hiring process is not just about cracking interview questions but about demonstrating your fit within a specialized, innovative team. If you’re ready to engage deeply with semiconductor design challenges and grow in a supportive yet challenging culture, SignOff Semiconductors deserves a serious look.
SignOff Semiconductors Interview Questions and Answers
Updated 21 Feb 2026Product Manager Interview Experience
Candidate: Emma S.
Experience Level: Senior
Applied Via: LinkedIn
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- How do you prioritize features in a semiconductor product?
- Describe a time you managed cross-functional teams.
- Explain your approach to market analysis in tech products.
- How do you handle conflicts between engineering and marketing?
Advice
Prepare detailed examples of product management in technical environments and practice behavioral questions.
Full Experience
The process involved multiple rounds including HR, technical, and leadership interviews. The questions were in-depth and scenario-based. Although I was not selected, the experience was valuable for my career growth.
Quality Assurance Engineer Interview Experience
Candidate: David P.
Experience Level: Mid-level
Applied Via: Recruiter
Difficulty: Easy
Final Result:
Interview Process
2
Questions Asked
- What quality standards are you familiar with?
- How do you handle non-conformance reports?
- Describe your experience with root cause analysis.
Advice
Highlight your experience with quality management systems and problem-solving skills.
Full Experience
The recruiter scheduled a phone interview followed by an in-person meeting with the QA manager. The questions were straightforward, focusing on quality processes and tools. The atmosphere was relaxed.
Design Engineer Interview Experience
Candidate: Cynthia L.
Experience Level: Senior
Applied Via: Referral
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Describe your experience with ASIC design.
- How do you optimize power consumption in your designs?
- Tell us about a challenging project and how you overcame it.
Advice
Leverage your design portfolio and be ready to discuss technical trade-offs in detail.
Full Experience
Referred by a former colleague, the interview process was efficient. The technical round was challenging but fair, focusing on design principles and problem-solving. The team was collaborative and welcoming.
Test Engineer Interview Experience
Candidate: Brian K.
Experience Level: Entry-level
Applied Via: Company Website
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- What is the difference between functional and parametric testing?
- How do you design test cases for ICs?
- Explain debugging steps for a failed test.
- Describe your experience with automated test equipment.
Advice
Gain more hands-on experience with test equipment and prepare for technical questions on IC testing methodologies.
Full Experience
The process started with an online assessment, followed by a phone interview. The in-person rounds were very technical and included a practical test scenario. The difficulty was high for an entry-level position.
Process Engineer Interview Experience
Candidate: Alice M.
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain the semiconductor fabrication process.
- How do you handle process variation?
- Describe a time you improved a manufacturing process.
Advice
Brush up on semiconductor process fundamentals and be ready to discuss past projects in detail.
Full Experience
I applied via LinkedIn and was invited for a phone screen focusing on my background. The second round was a technical interview with process-related questions. The final round was with the team lead and included behavioral questions. Overall, the interviewers were friendly and focused on practical knowledge.
Frequently Asked Questions in SignOff Semiconductors
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in SignOff Semiconductors
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
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Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: In mathematics country 1,2,3,4....,8,9 are nine cities. Cities which form a no. that is divisible by 3 are connected by air planes. (e.g. cities 1 & 2 form no. 12 which divisible by 3 then 1 is connected to city 2). Find the total no. of ways you can go to 8 if you are allowed to break the journeys.
Q: Six persons A,B,C,D,E & F went to solider cinema. There are six consecutive seats. A sits in one of the seats followed by B, followed by C and soon. If a taken one of the six seats , then B should sit adjacent to A. C should sit adjacent A or B. D should sit adjacent to A, B,or C and soon. How many possibilities are there?
Q: A 31" x 31" square metal plate needs to be fixed by a carpenter on to a wooden board. The carpenter uses nails all along the edges of the square such that there are 32 nails on each side of the square. Each nail is at the same distance from the neighboring nails. How many nails does the carpenter use?Â