20+ Sandeep Subhash & Company Interview Questions and Answers

Probability plot curves denote the distribution of data points compared to a theoretical distribution.

• Probability plot curves help visualize how well a dataset fits a particular distribution.

• The curves can indicate if the data is normally distributed or follows a different distribution.

• Examples of probability plots include Q-Q plots and P-P plots.

Implemented ISO 13485 standards for medical device quality management system at current employer.

• Conducted gap analysis to identify areas for improvement

• Developed and implemented quality management system procedures

• Trained employees on ISO 13485 requirements

• Performed internal audits to ensure compliance

• Worked with external auditors for certification

Ppk and Cpk are process capability indices used in Six Sigma to measure the ability of a process to produce output within specification limits.

• Ppk and Cpk are statistical measurements that assess how well a process is performing in relation to its specification limits.

• Ppk measures the potential capability of a process to produce output within specification limits, while Cpk measures the actual capability of a process to meet those limits.

• A higher Ppk and Cpk value indicates a...read more

Different types of risks include financial, operational, strategic, compliance, and reputational risks.

• Financial risk: related to the potential loss of financial resources, such as market risk, credit risk, and liquidity risk.

• Operational risk: arises from internal processes, systems, or people, leading to errors, fraud, or disruptions.

• Strategic risk: involves the impact of business decisions on the organization's long-term goals and competitiveness.

• Compliance risk: stems from...read more

Dependency injection is a design pattern where objects are passed their dependencies rather than creating them internally. Inversion of Control (IoC) is a broader concept where the control of object creation is inverted from the application to a framework.

• Dependency injection is a technique to achieve Inversion of Control (IoC)

• In DI, objects are given their dependencies rather than creating them internally

• IoC is a design principle where the control of object creation is inver...read more

Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• Abstract class can have constructors, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while interfaces are used to define a contract for classes to implement.

• Example: Abstract class 'Shape' with ...read more

Processors are the brain of a computer, responsible for executing instructions and performing calculations.

• Processors come in different types and speeds, with varying numbers of cores and cache sizes.

• The processor's clock speed determines how many instructions it can execute per second.

• Processors use instruction sets, such as x86 or ARM, to understand and execute code.

• Overclocking can increase a processor's performance, but can also cause overheating and instability.

• Processor...read more

Electro-Mechanical standard refers to the set of guidelines and regulations for designing and manufacturing devices that combine electrical and mechanical components.

• Electro-Mechanical standards ensure compatibility and safety of devices.

• Examples include standards for connectors, wiring, and grounding in electronic devices.

• Compliance with standards is important for product quality and reliability.

PFD (Process Flow Diagram) is a visual representation of how parts are manufactured or assembled.

• Identify all parts involved in the process

• Map out the sequence of steps involved in manufacturing or assembling the parts

• Include information on materials, tools, and equipment required for each step

• Use symbols and diagrams to represent the flow of the process

• Ensure clarity and accuracy in the PFD to aid in understanding and troubleshooting

Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.

• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing and maintenance of code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

Buck converter control loop mechanism is used to regulate the output voltage by adjusting the duty cycle of the switch.

• The control loop compares the actual output voltage with a reference voltage and adjusts the duty cycle of the switch accordingly.

• It typically consists of a feedback loop with a voltage divider, error amplifier, and PWM controller.

• The PWM controller generates a signal to control the switch on and off time, regulating the output voltage.

• The control loop stabil...read more

MVC is a software design pattern that separates an application into three main components: Model, View, and Controller.

• Model represents the data and business logic of the application

• View is responsible for displaying the data to the user

• Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly

WPA3 is a Wi-Fi security protocol that provides stronger encryption and authentication than its predecessor WPA2.

• WPA3 uses Simultaneous Authentication of Equals (SAE) instead of Pre-Shared Key (PSK) for password-based authentication.

• It also supports 192-bit encryption for stronger protection against brute-force attacks.

• WPA3 introduces Opportunistic Wireless Encryption (OWE) for open Wi-Fi networks, providing encryption without the need for a password.

• WPA3 also includes protec...read more

Analyze and provide feedback on an electrical schematic diagram

• Review the components and connections in the schematic

• Check for any errors or inconsistencies in the design

• Ensure that the schematic follows industry standards and best practices

• Provide suggestions for improvements or optimizations

• Verify that the schematic meets the project requirements

A flyback converter is a type of switching power supply that uses a transformer to store energy and transfer it to the output.

• Utilizes a transformer to store energy and transfer it to the output

• Operates by storing energy in the transformer during the switch-on time and releasing it to the output during the switch-off time

• Commonly used in low power applications such as battery chargers and LED drivers

Roaming technology allows a mobile device to connect to a different network while maintaining its existing phone number and other settings.

• Roaming is used when a mobile device is outside of its home network coverage area.

• The device connects to a different network and uses its services.

• Roaming can be expensive, as the user may be charged for using the other network's services.

• Roaming can also be limited by the user's mobile plan or the policies of the network provider.

• Examples...read more

Costing of components involves determining the expenses associated with each individual part of a product.

• Identify all components required for the product

• Determine the cost of each component based on supplier quotes or market research

• Consider additional costs such as shipping, taxes, and labor

• Calculate the total cost by summing up the costs of all components

• Regularly review and update costing to account for changes in prices or suppliers

OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• OOPS focuses on creating reusable and modular code by organizing it into objects.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• Example: Inheritance allows a class to inherit properties and behavior from another class, promoting code reusability.

The .Net framework is better due to its versatility, performance, and strong community support.

• Versatile - Supports multiple languages like C#, F#, and Visual Basic

• Performance - Optimized for Windows environments and offers high performance

• Strong community support - Large community of developers and resources available

• Integration with Microsoft technologies - Seamless integration with other Microsoft products like Azure and SQL Server

C language is a high-level programming language known for its efficiency and flexibility.

• C language was developed by Dennis Ritchie at Bell Labs in the early 1970s.

• It is widely used for system programming, embedded systems, and software development.

• C is a procedural language with a rich set of built-in functions and operators.

• Example: printf() function is used to print output in C language.

TCP is connection-oriented, reliable, and slower. UDP is connectionless, unreliable, and faster.

• TCP is connection-oriented, meaning a connection is established before data is sent.

• TCP is reliable, as it ensures all data is received in the correct order.

• TCP is slower than UDP due to the overhead of establishing a connection and error-checking.

• UDP is connectionless, meaning data can be sent without establishing a connection.

• UDP is unreliable, as it does not guarantee delivery o...read more

DHCP is a protocol that assigns IP addresses to devices on a network.

• DHCP server receives a request from a device for an IP address

• DHCP server offers an available IP address to the device

• Device accepts the offered IP address and sends a request to lease it

• DHCP server acknowledges the lease request and assigns the IP address to the device

• Device uses the assigned IP address to communicate on the network