100+ fresher Interview Questions and Answers

My preferred programming language is Python. I have strong leadership skills.

• I prefer Python as my programming language because of its simplicity and versatility.

• I have experience in leading a team during my college project, where I successfully coordinated tasks and ensured timely completion.

• I believe in effective communication, delegation, and motivating team members to achieve common goals.

• I have also attended leadership workshops and seminars to enhance my leadership skil...read more

String pool is a cache of unique string literals in Java. Strings are immutable to ensure security, synchronization, and performance.

• String pool is a special memory area in Java heap where unique string literals are stored.

• Strings are immutable in Java to ensure security - once created, their values cannot be changed.

• Immutability also helps in synchronization and performance optimization.

• Example: String str1 = "hello"; String str2 = "hello"; Both str1 and str2 will point to t...read more

The unit of magnetic field is called Tesla (T).

• Tesla is named after the famous inventor and physicist Nikola Tesla.

• It is used to measure the strength of magnetic fields.

• One Tesla is equal to one Weber per square meter.

• Commonly used prefixes for Tesla are milliTesla (mT) and microTesla (µT).

Access modifiers in Python are keywords used to restrict access to class members.

• Python has three access modifiers: public, protected, and private.

• Public members can be accessed from anywhere outside the class.

• Protected members can be accessed within the class and its subclasses.

• Private members can only be accessed within the class.

• Public members are denoted by no underscore, protected members by a single underscore, and private members by double underscore.

• Example: class MyC...read more

An array is a collection of similar data types stored in contiguous memory locations.

• Arrays can be of any data type such as integers, floats, characters, etc.

• Arrays are accessed using an index starting from 0.

• Arrays can be one-dimensional, two-dimensional, or multi-dimensional.

• Example: string[] names = {"John", "Jane", "Bob"};

• Example: int[] numbers = new int[5];

I know multiple programming languages including Java, Python, and C++.

• Java

• Python

• C++

I prefer Python and rate myself 8 out of 10.

• Python is versatile and easy to learn

• I have experience in building web applications using Django framework

• I rate myself 8 out of 10 based on my proficiency and projects completed

I have knowledge of software development and programming languages.

• I am proficient in programming languages such as Java, Python, and C++.

• I have experience in software development methodologies such as Agile and Waterfall.

• I am familiar with software testing and debugging techniques.

• I have worked with various software tools such as Eclipse, Visual Studio, and Git.

• I am constantly learning and keeping up with the latest trends and technologies in software development.

BPS stands for Business Process Services. TCS is a multinational IT services company.

• BPS involves outsourcing of non-core business functions to a third-party provider.

• TCS offers a range of IT services including consulting, application development, and maintenance.

• TCS is headquartered in Mumbai, India and operates in over 46 countries.

• TCS is one of the largest IT services companies in the world with a market capitalization of over $100 billion.

I am familiar with several programming languages, each serving different purposes in software development.

• Python: Great for data analysis, machine learning, and web development.

• Java: Widely used for enterprise applications and Android development.

• JavaScript: Essential for web development, enabling interactive web pages.

• C++: Used in system/software development and game programming.

• Ruby: Known for its simplicity and used in web development with Ruby on Rails.

I am comfortable in Java and Python for programming.

• Proficient in Java for object-oriented programming

• Skilled in Python for data analysis and scripting

Fresher candidates are generally allowed to apply for various periods depending on the company's policies and job requirements.

• Fresher candidates can apply for internships during their study period.

• Many companies have specific hiring periods for fresh graduates, often aligned with graduation dates.

• Some organizations offer training programs for freshers, allowing them to gain experience before full-time employment.

• Example: Tech companies often have recruitment drives in the fi...read more

A pointer is a variable that stores the memory address of another variable. An array is a collection of similar data types stored in contiguous memory locations. C is a procedural programming language, while C++ is an object-oriented programming language.

• Pointer in C: int *ptr; // declaring a pointer to an integer variable

• Array in C++: int arr[5]; // declaring an array of integers with 5 elements

• Difference between C & C++: C is procedural, C++ is object-oriented

Production management focuses on overseeing production processes, while production technology deals with the tools and methods used in production.

• Scope: Production management involves planning, organizing, and controlling production activities, such as scheduling and resource allocation.

• Tools: Production technology refers to the machinery and software used in production, like CNC machines or ERP systems.

• Objective: The goal of production management is to optimize efficiency an...read more

Manual testing is a process of verifying software manually without using any automated tools.

• It involves executing test cases manually

• It is time-consuming and requires human effort

• It helps in identifying defects that may be missed by automated testing

• It includes exploratory testing, regression testing, and ad-hoc testing

• It is often used in the initial stages of software development

• Example: Testing a website by clicking on links and buttons to ensure they work as expected

Drawing a curve requires understanding of its shape and using appropriate tools and techniques.

• Choose the appropriate tool for the type of curve you want to draw (e.g. pencil, pen, brush, etc.)

• Start with a light sketch of the curve to get the shape right

• Use reference images or objects to help guide the curve

• Practice using different techniques such as shading and blending to add depth and dimension to the curve

• Experiment with different styles and approaches to find what works ...read more

if else is used for conditional statements with multiple conditions, while switch is used for selecting one of many options based on a single expression.

• if else allows for multiple conditions to be checked, while switch is used for selecting one option from many

• if else is more flexible as it can handle complex conditions, while switch is more concise for simple comparisons

• switch is often preferred when there are multiple options to choose from, while if else is used for more ...read more

The question involves finding the maximum sum of a contiguous subarray using Kadane's algorithm.

• Kadane's algorithm efficiently finds the maximum sum in O(n) time.

• Initialize two variables: max_current and max_global.

• Iterate through the array, updating max_current and max_global.

• Example: For array [-2,1,-3,4,-1,2,1,-5,4], max sum is 6 (subarray [4,-1,2,1]).

Program to swap two numbers

• Declare two variables and assign values to them

• Use a third variable to store the value of the first variable

• Assign the value of the second variable to the first variable

• Assign the value of the third variable to the second variable

Schedule H & H1 are lists of prescription drugs in India. Schedule G lists drugs that require special storage conditions. Anarex is a pain reliever.

• Schedule H contains drugs that require a prescription from a registered medical practitioner and cannot be sold without it.

• Schedule H1 contains antibiotics and requires a prescription from a registered medical practitioner with a red line on it.

• Schedule G lists drugs that require special storage conditions such as refrigeration.

• An...read more

I expect a competitive CTC based on industry standards and my qualifications.

• Expectation based on industry standards

• Consideration of qualifications and experience

• Open to negotiation based on job responsibilities

Chromatography is a technique used to separate and analyze mixtures of chemicals based on their properties.

• Chromatography involves a stationary phase and a mobile phase.

• The sample is introduced into the mobile phase and travels through the stationary phase, separating the components based on their interactions with the stationary phase.

• Different types of chromatography include gas chromatography, liquid chromatography, and ion exchange chromatography.

• Chromatography is used in...read more

The benefits of meditation

• Meditation reduces stress and anxiety

• It improves focus and concentration

• It enhances self-awareness and promotes emotional health

• Regular meditation can lead to better sleep and lower blood pressure

Use a hashmap to keep track of characters and their counts, then retrieve characters with count > 1.

• Create a hashmap to store characters and their counts

• Iterate through the string and update the counts in the hashmap

• Retrieve characters with count > 1 from the hashmap

A database management system (DBMS) is a software that manages and organizes data in a structured manner.

• DBMS is used to create, retrieve, update, and delete data in a database.

• It provides a way to store and organize large amounts of data efficiently.

• DBMS ensures data integrity, security, and consistency.

• Examples of popular DBMS include MySQL, Oracle, and Microsoft SQL Server.

Class is a blueprint for creating objects. Objects are instances of a class that have their own unique properties and behaviors.

• A class is a template or blueprint for creating objects

• An object is an instance of a class with its own unique properties and behaviors

• Classes define the properties and methods that objects of that class will have

• Objects can interact with each other through their methods and properties

• Example: A class 'Car' can have properties like 'color', 'model', ...read more

Move zeros to the end of the array without changing the order.

• Iterate through the array and count the number of zeros

• Create a new array with all the non-zero elements

• Append the counted number of zeros at the end of the new array