30+ SME Interview Questions and Answers for Freshers

A one to one function is a function where each input has a unique output.

• Also known as an injective function.

• No two inputs can have the same output.

• For example, f(x) = x + 2 is a one to one function.

• However, f(x) = x^2 is not a one to one function as both x and -x have the same output.

Renewable energy has the potential to replace conventional energy sources, but it may take time and investment.

• Renewable energy is becoming more cost-effective and efficient.

• However, it may take time to build the necessary infrastructure to fully replace conventional energy sources.

• Investment in research and development is crucial to accelerate the transition to renewable energy.

• Examples of successful renewable energy projects include wind farms, solar power plants, and hydro...read more

Static webpages are fixed and display the same content to all users, while dynamic webpages can change content based on user interactions.

• Static webpages are faster to load and easier to create, but lack interactivity.

• Dynamic webpages can provide personalized content and interactive features, but are more complex to develop.

• Static webpages are suitable for simple websites with little need for user interaction, while dynamic webpages are better for complex websites with freque...read more

Domain is the set of all possible input values and range is the set of all possible output values of a function.

• Domain can be represented as x-values in a function.

• Range can be represented as y-values in a function.

• Domain and range can be finite or infinite.

• For example, in the function f(x) = x^2, the domain is all real numbers and the range is all non-negative real numbers.

Money market deals with short-term debt securities while capital market deals with long-term securities.

• Money market is a market for short-term borrowing and lending, usually less than a year.

• Capital market is a market for long-term borrowing and lending, usually more than a year.

• Money market deals with debt securities such as treasury bills, commercial papers, and certificates of deposit.

• Capital market deals with equity securities such as stocks and bonds.

• Money market is les...read more

Correlation measures the strength of a linear relationship between two variables, while regression predicts the value of one variable based on the value of another.

• Correlation measures the degree of association between two variables.

• Regression predicts the value of one variable based on the value of another.

• Correlation does not imply causation.

• Regression can be used to identify the relationship between variables and make predictions.

• Correlation coefficient ranges from -1 to 1...read more

Java is not a front-end tool.

• Java is a general-purpose programming language used for developing backend applications.

• It is used for developing server-side applications, desktop applications, and Android mobile applications.

• Java can be used for developing front-end applications, but it is not a front-end tool.

• Front-end tools include HTML, CSS, and JavaScript.

Java is a popular programming language used in various IT industries for developing web, mobile, and desktop applications.

• Java is an object-oriented language that is platform-independent.

• It is used for developing web applications, mobile applications, desktop applications, and games.

• Java is widely used in the development of enterprise-level applications.

• It is used in the development of Android applications.

• Java is also used in the development of server-side applications and w...read more

Poisson Distribution is used for count data while Gumbel Distribution is used for extreme value analysis.

• Poisson Distribution models the number of occurrences of an event in a fixed interval of time or space.

• Gumbel Distribution models the maximum or minimum value from a large set of data.

• Poisson Distribution has a discrete probability distribution while Gumbel Distribution has a continuous probability distribution.

• Poisson Distribution has only one parameter while Gumbel Distr...read more

The derivative of x^x is x^x(1+ln(x))

• Use logarithmic differentiation to solve

• Take natural logarithm of both sides

• Apply product rule and chain rule

• Simplify the expression

Wind energy is preferred over solar energy due to its higher efficiency, lower cost, and ability to generate power even at night.

• Wind turbines have higher efficiency rates than solar panels

• Wind energy is cheaper to produce than solar energy

• Wind turbines can generate power even at night, while solar panels cannot

• Wind energy is more reliable in areas with inconsistent sunlight

• Wind turbines have a longer lifespan than solar panels

DHTML stands for Dynamic HTML. It is a combination of HTML, CSS, and JavaScript to create interactive and dynamic web pages.

• DHTML allows for elements on a web page to change dynamically without needing to reload the entire page

• It is achieved by using JavaScript to manipulate the Document Object Model (DOM)

• Common examples of DHTML effects include dropdown menus, image rollovers, and animations

I chose wind energy over solar energy due to its higher energy output and lower cost of maintenance.

• Wind turbines have a higher energy output compared to solar panels.

• Wind energy is more cost-effective in the long run due to lower maintenance costs.

• Wind turbines can generate electricity even at night or on cloudy days.

• Location plays a crucial role in choosing between wind and solar energy.

• Wind energy is more suitable for areas with high wind speeds, while solar energy is more...read more

Database tools commonly used for website designing include MySQL, MongoDB, and PostgreSQL.

• MySQL is a popular open-source relational database management system.

• MongoDB is a NoSQL database that is often used for handling large amounts of unstructured data.

• PostgreSQL is another open-source relational database management system that is known for its stability and reliability.

• Other database tools that may be used for website designing include Oracle, Microsoft SQL Server, and SQLi...read more

Front end tools in web designing and development include HTML, CSS, JavaScript, and various frameworks and libraries.

• HTML: used for creating the structure and content of web pages

• CSS: used for styling and layout of web pages

• JavaScript: used for adding interactivity and dynamic functionality to web pages

• Frameworks and libraries: such as React, Angular, and Vue.js, used for building complex web applications

• Examples: Bootstrap for responsive design, jQuery for DOM manipulation

SQL is a programming language used to manage and manipulate relational databases. TCL commands include COMMIT, ROLLBACK, and SAVEPOINT.

• SQL stands for Structured Query Language and is used to manage and manipulate relational databases.

• TCL (Transaction Control Language) commands are used to manage transactions in SQL.

• Examples of TCL commands include COMMIT, ROLLBACK, and SAVEPOINT.

Shear stress is the force applied parallel to the surface, while normal stress is the force applied perpendicular to the surface.

• Shear stress occurs when two forces act parallel to each other but in opposite directions, causing the object to deform or twist.

• Normal stress occurs when a force is applied perpendicular to the surface, causing the object to compress or stretch.

• Shear stress is commonly seen in cutting or slicing actions, while normal stress is seen in compression o...read more

PL/SQL is a procedural language designed specifically for the Oracle Database management system.

• PL/SQL stands for Procedural Language/Structured Query Language.

• It is used to create stored procedures, functions, triggers, and packages in Oracle Database.

• PL/SQL is used for data manipulation, transaction control, and database operations.

• Applications of PL/SQL include data warehousing, e-commerce, and enterprise resource planning (ERP) systems.

DDL commands are used to create, modify, and delete database objects.

• CREATE: used to create a new database object such as a table, view, or index

• ALTER: used to modify the structure of an existing database object

• DROP: used to delete an existing database object

• TRUNCATE: used to delete all data from a table without deleting the table itself

• RENAME: used to rename an existing database object

• GRANT: used to grant privileges to a user or role

• REVOKE: used to revoke previously granted ...read more

The selection process involves several steps to identify the most suitable candidates for a position.

• Job posting and advertising

• Resume screening

• Interviews

• Reference checks

• Skills assessment

• Background checks

• Final decision and job offer

HTML is a markup language used for creating and structuring web pages.

• HTML stands for HyperText Markup Language.

• It is used to create the structure and content of web pages.

• HTML uses tags to define elements such as headings, paragraphs, images, links, etc.

• Example: <h1>This is a heading</h1>

• Example: <p>This is a paragraph</p>

Central Limit Theorem states that the sampling distribution of the sample means approaches a normal distribution as the sample size increases.

• It is a statistical theory that explains the behavior of sample means.

• It states that the mean of a large number of independent and identically distributed random variables will be approximately normally distributed.

• It is widely used in hypothesis testing and confidence interval estimation.

• It is applicable to any population distribution,...read more

Some famous places in my city include the historic Old Town, the beautiful City Park, and the iconic Skyline Tower.

• Old Town - Known for its cobblestone streets and historic buildings

• City Park - A popular spot for picnics, concerts, and outdoor activities

• Skyline Tower - Offers panoramic views of the city skyline

Impeachment of the President of India is a process to remove the President from office for violation of the Constitution.

• Impeachment can be initiated by either House of Parliament (Lok Sabha or Rajya Sabha) with a resolution supported by at least one-fourth of the total membership of that House.

• The resolution for impeachment must be passed by a majority of not less than two-thirds of the total membership of the House where it was initiated.

• After the resolution is passed, an i...read more

I listen to their concerns, empathize with their situation, remain calm, and offer solutions to address their issues.

• Listen actively to understand their concerns

• Empathize with their situation to show you care

• Remain calm and composed to de-escalate the situation

• Offer solutions or alternatives to address their issues

• Follow up to ensure their satisfaction

Ecommerce refers to buying and selling goods or services online.

• Ecommerce involves transactions conducted over the internet.

• It includes online shopping, electronic payments, and digital marketing.

• Popular ecommerce platforms include Amazon, eBay, and Shopify.

The maximum output of an opamp is limited by its power supply and internal circuitry.

• The output voltage cannot exceed the power supply voltage.

• The opamp's internal circuitry can limit the output voltage swing.

• The maximum output current is limited by the opamp's internal circuitry.

• The opamp's slew rate can also limit the maximum output frequency.

• Examples of opamp maximum output include the LM741 with +/- 15V supply and the LM358 with +/- 32V supply.

A signal is a form of information that is transmitted through a medium. An antenna is required to transmit and receive signals wirelessly.

• Signals are used to transmit information such as audio, video, and data.

• Antennas are required to convert electrical signals into electromagnetic waves that can be transmitted wirelessly.

• Antennas are also used to receive electromagnetic waves and convert them back into electrical signals.

• Examples of antennas include TV antennas, radio antenn...read more

India's interest in the Arctic region is driven by geopolitical, economic, and scientific factors.

• Geopolitical interest in the Arctic due to its strategic location and potential for new shipping routes

• Economic interest in accessing natural resources such as oil, gas, and minerals

• Scientific interest in studying climate change and its impact on the region

• India became an observer in the Arctic Council in 2013 to enhance its engagement with Arctic affairs

Gibbs function is a thermodynamic potential that measures the maximum amount of reversible work that can be performed by a thermodynamic system.

• Also known as Gibbs free energy or Gibbs energy

• It is denoted by the symbol G

• It is defined as G = H - TS, where H is the enthalpy, T is the temperature, and S is the entropy

• It is used to determine whether a chemical reaction will occur spontaneously or not

• If the Gibbs energy change is negative, the reaction is spontaneous

• If the Gibbs e...read more

Thermal diffusivity is the measure of how quickly heat can spread through a material.

• It is a property of a material that determines how quickly it can conduct heat.

• It is defined as the ratio of thermal conductivity to heat capacity.

• Materials with high thermal diffusivity can quickly transfer heat, while those with low thermal diffusivity cannot.

• Examples of materials with high thermal diffusivity include metals and ceramics, while materials like wood and plastics have low ther...read more

My favorite subject is mathematics and its applications in computer science and finance.

• I enjoy solving complex mathematical problems and finding patterns.

• In computer science, I use math to design algorithms and analyze data.

• In finance, I use math to model financial markets and make investment decisions.

• I also appreciate the beauty and elegance of mathematical proofs.

GDP is calculated using three main methods: production approach, income approach, and expenditure approach.

• Production approach calculates GDP by adding up the value of all goods and services produced in a country.

• Income approach calculates GDP by summing up all incomes earned by individuals and businesses in a country.

• Expenditure approach calculates GDP by adding up all expenditures on final goods and services in a country.

• Each method should theoretically yield the same GDP f...read more

PMM 3 stands for Product Marketing Manager 3, a senior-level role responsible for developing and executing marketing strategies for a company's products.

• PMM 3 is a senior-level role in product marketing

• They develop and execute marketing strategies for a company's products

• They work closely with cross-functional teams such as sales, product management, and engineering

• Examples of responsibilities include market research, product positioning, and messaging development

Entropy is a measure of disorder or randomness in a system.

• Entropy increases as the system becomes more disordered.

• It is a thermodynamic property that describes the amount of energy that is unavailable to do work.

• For example, a room that starts out clean and organized will become more disordered over time as people use it and leave things lying around.

• Entropy can also be used to describe the randomness of a sequence of events, such as the order of cards in a shuffled deck.

• Ent...read more