100+ Technical Associate Interview Questions and Answers

The task is to find a city 'X' from which all other cities can be reached in a given graph.

• Find the mother vertices in the graph.

• If there are multiple mother vertices, return the minimum value.

• If there are no mother vertices, return -1.

The question asks to determine if string 'R' can be obtained by scrambling string 'S' using certain operations.

• The length of both strings 'S' and 'R' should be the same.

• The operations can be applied recursively on the substrings of 'S'.

• If the length of 'S' is 1, the scrambling process stops.

• The strings only contain lowercase letters.

Different types of motors include DC, AC, stepper, servo, etc. Back EMF is present in both DC and AC motors.

• DC motors: brushed, brushless, series, shunt, compound

• AC motors: synchronous, asynchronous, induction

• Back EMF is the voltage generated in the opposite direction to the applied voltage

• Back EMF is present in both DC and AC motors

• Back EMF is used to control the speed of the motor

Basic OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: bundling data and methods together

• Inheritance: creating new classes from existing ones

• Polymorphism: objects of different types can be treated as objects of a common type

• Abstraction: hiding unnecessary details and exposing only essential features

Our organization prioritizes safety and has implemented various measures to ensure the well-being of employees.

• Regular safety training sessions are conducted to educate employees about potential hazards and how to prevent accidents.

• Safety protocols and procedures are clearly defined and communicated to all employees.

• Personal protective equipment (PPE) is provided to employees based on their job requirements.

• Emergency response plans are in place to handle any unforeseen incide...read more

I would first identify the root cause of the network issue, then prioritize fixing it based on impact, and communicate with stakeholders throughout the resolution process.

• Identify the root cause of the network issue by checking network logs and conducting network diagnostics.

• Prioritize fixing the issue based on the impact on business operations.

• Communicate with stakeholders, such as business owners and IT teams, to keep them informed about the issue and resolution progress.

• Im...read more

OOPs features include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: bundling of data and methods that operate on that data

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on multiple forms or behaviors

• Abstraction: hiding of complex implementation details and providing a simplified interface

The application process of fresh painting and repainting involves several steps and considerations.

• Prepare the surface by cleaning and removing any old paint or debris

• Apply a primer to ensure proper adhesion of the paint

• Choose the appropriate type of paint for the surface and desired finish

• Apply the paint using brushes, rollers, or sprayers

• Allow sufficient drying time between coats

• Inspect the painted surface for any imperfections and make necessary touch-ups

• Clean up tools and...read more

MVC web app creation process

• Choose a programming language and framework

• Create models to represent data

• Create views to display data

• Create controllers to handle user requests

• Configure routing to map URLs to controllers

• Test and debug the application

• Deploy the application to a web server

Telnet uses port number 23. It is used for remote login to a computer or server.

• Telnet uses port number 23 for communication.

• It is used for remote login to a computer or server.

• Telnet allows users to access a command-line interface on a remote host.

Abstraction is the process of hiding complex details and showing only the essential features of an object. Polymerization is the process of combining small molecules to form a larger molecule.

• Abstraction involves creating a simplified representation of something, focusing on the important details while hiding unnecessary details.

• Polymerization is a chemical process where small molecules called monomers are combined to form a larger molecule called a polymer.

• Examples of abstra...read more

The challenge test in autocortanator depends on the specific product being tested.

• The challenge test is a method used to determine the effectiveness of a sterilization process.

• Autocortanator is a type of sterilization equipment used in the medical field.

• The challenge test for autocortanator will vary depending on the product being sterilized.

• Factors that may affect the challenge test include the type of microorganisms present and the intended use of the sterilized product.

Artificial intelligence is the simulation of human intelligence processes by machines.

• AI involves the development of algorithms and computer programs that can perform tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.

• Machine learning is a subset of AI that involves training algorithms to learn from data and improve their performance over time.

• Deep learning is a subset of machine learning t...read more

Listen to their problem, empathize, offer solutions and follow up.

• Listen actively to their concerns and issues

• Empathize with their situation and show understanding

• Offer solutions that address their specific problem

• Follow up to ensure their issue has been resolved

A motor produces torque by creating a magnetic field that interacts with the current flowing through the motor's coils.

• The motor's coils are energized with an electrical current, which creates a magnetic field.

• The magnetic field interacts with the magnetic field of the motor's permanent magnets, causing the rotor to turn.

• The amount of torque produced by the motor is proportional to the strength of the magnetic field and the amount of current flowing through the coils.

• The dire...read more

Electric horn produces sound by using an electromagnet to vibrate a diaphragm.

• Electric current flows through the coil of an electromagnet.

• The magnetic field produced by the electromagnet attracts and repels a metal diaphragm.

• The diaphragm vibrates rapidly, producing sound waves.

• The sound waves are amplified by a horn or resonator.

• The pitch and volume of the sound can be adjusted by changing the frequency and amplitude of the electric current.

• Examples of electric horns include...read more

Transaction response codes are codes that indicate the status of a transaction.

• Transaction response codes are used in electronic payment systems to indicate the status of a transaction.

• These codes can indicate whether a transaction was approved, declined, or resulted in an error.

• Common transaction response codes include 00 for approved transactions, 05 for declined transactions, and 12 for invalid transactions.

• Transaction response codes can also provide additional information...read more

Students face challenges such as lack of motivation, distractions, difficulty understanding concepts, time management issues, and test anxiety.

• Lack of motivation can lead to procrastination and poor academic performance.

• Distractions from technology, social media, or personal issues can hinder focus and productivity.

• Difficulty understanding complex concepts or topics can result in frustration and lower grades.

• Time management issues can lead to poor study habits and last-minute...read more

To import matalib, use the 'import' keyword in Python. This library is used for mathematical operations and data visualization.

• Use 'import matplotlib.pyplot as plt' to import matplotlib for data visualization

• Use 'import numpy as np' to import numpy for mathematical operations

• Matplotlib is commonly used for creating plots, charts, and graphs in Python

The process flow from dispensing to final packing involves several steps.

• Dispensing of raw materials

• Mixing and blending of ingredients

• Filling and packaging of products

• Labeling and coding of packages

• Quality control checks at various stages

• Final inspection and packing of finished products

The time taken for cortanator setting varies depending on the complexity of the system.

• The time taken for cortanator setting can range from a few hours to several days.

• Factors that affect the time taken include the size and complexity of the system, the level of customization required, and the availability of resources.

• For a simple system, the cortanator setting may take only a few hours, while a more complex system may take several days.

• It is important to ensure that the cor...read more

Yes, I am familiar with crimping cat5 and cat6 cables.

• I have experience crimping cat5 and cat6 cables for network installations.

• I am proficient in using a crimping tool to attach RJ45 connectors to the cables.

• I understand the color-coding scheme for wiring cat5 and cat6 cables.

• I have successfully tested crimped cables for connectivity and proper function.

To delete a record from a database, you can use the DELETE statement.

• Use the DELETE statement with the WHERE clause to specify the record to be deleted.

• Make sure to backup the database before deleting any records.

• Example: DELETE FROM table_name WHERE column_name = value;

The question is unclear and requires clarification.

• Can you please provide more context or clarify the question?

• Are you asking about the number of gates and functions in a specific circuit or system?

• What do you mean by resistor coding?

• Please provide more information so I can give an accurate answer.

SDLC stands for Software Development Life Cycle, a process used to design, develop, and maintain software.

• SDLC is a structured approach to software development.

• It involves several stages such as planning, analysis, design, implementation, testing, and maintenance.

• Each stage has its own set of activities and deliverables.

• The process ensures that software is developed efficiently, on time, and within budget.

• Examples of SDLC models include Waterfall, Agile, and DevOps.

API calls can be written in Python, JavaScript, HTML, and CSS to interact with web services and retrieve data.

• In Python, you can use libraries like requests to make API calls. Example: requests.get('https://api.example.com/data')

• In JavaScript, you can use fetch or XMLHttpRequest to make API calls. Example: fetch('https://api.example.com/data')

• In HTML, you can use the <script> tag to make API calls using JavaScript. Example: <script src='https://api.example.com/data'></script>...read more

Yes, I have experience.

• I have worked as a Technical Associate for 2 years at XYZ Company.

• During my time there, I successfully completed multiple projects related to software development and troubleshooting.

• I have a strong understanding of programming languages such as Java and Python.

• I have experience in database management and data analysis.

• I have excellent problem-solving and communication skills, which have helped me effectively collaborate with cross-functional teams.

Frontend and backend developers are two types of developers who specialize in different aspects of web development.

• Frontend developers focus on the client side of the application, working on the user interface and user experience.

• Backend developers work on the server side of the application, dealing with databases, server logic, and performance optimization.

• Frontend developers use languages like HTML, CSS, and JavaScript to create interactive web pages.

• Backend developers use ...read more

I can provide support in a data center by monitoring systems, troubleshooting issues, performing maintenance tasks, and assisting with hardware installations.

• Monitor systems to ensure they are running smoothly

• Troubleshoot issues as they arise

• Perform maintenance tasks such as updating software and replacing hardware components

• Assist with hardware installations and upgrades

GMP is Good Manufacturing Practice, CGMP is Current Good Manufacturing Practice, and ALCOA principles are data integrity principles.

• GMP is a set of guidelines for ensuring that products are consistently produced and controlled according to quality standards.

• CGMP is a specific set of GMP regulations enforced by the FDA for pharmaceuticals, medical devices, and food products.

• ALCOA principles stand for Attributable, Legible, Contemporaneous, Original, and Accurate, and are used ...read more

Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.

• Inheritance allows for code reuse and promotes the concept of hierarchy.

• The class that inherits properties and behaviors is called the derived class or subclass.

• The class from which properties and behaviors are inherited is called the base class or superclass.

• Constructors in a class are special methods used to initialize objects of that class.

• Inheritanc...read more

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

• Proficient in Java and Python

• Familiar with C++ and JavaScript

• Experience with SQL and HTML/CSS

• Comfortable with object-oriented programming

• Able to learn new languages quickly

Pillars of OOPs are the key concepts that form the foundation of Object-Oriented Programming.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.

FBP stands for Filtered Back Projection. The number of filters and their size depend on the specific implementation.

• The number of filters and their size can vary depending on the specific implementation of FBP.

• In general, FBP uses a set of filters to extract information from the raw data.

• The size of the filters can be adjusted to balance between image quality and processing speed.

• For example, a common implementation of FBP may use 64 filters with a size of 3x3 or 5x5.

• However,...read more

Yes, I am a technical person.

• I have a strong background in technical subjects.

• I have experience working with technical tools and software.

• I enjoy solving technical problems and finding innovative solutions.

• I have completed technical courses or certifications.

• I have worked on technical projects or assignments.

• I have a passion for learning and staying updated with the latest technical advancements.

A hydro power station is a facility that generates electricity by using the energy of falling water.

• Water is stored in a reservoir and released through turbines to generate electricity

• Hydro power is a renewable energy source

• Hydro power stations can be large or small scale

• Examples include the Hoover Dam in the US and the Three Gorges Dam in China

There are 8 primitive data types in Java: byte, short, int, long, float, double, char, and boolean.

• byte - 8-bit signed integer

• short - 16-bit signed integer

• int - 32-bit signed integer

• long - 64-bit signed integer

• float - 32-bit floating point

• double - 64-bit floating point

• char - 16-bit Unicode character

• boolean - true or false value

A constructor in Java is a special type of method that is used to initialize objects.

• Constructors have the same name as the class they belong to.

• They do not have a return type, not even void.

• Constructors are called automatically when an object is created.

• They can be overloaded to have multiple constructors with different parameters.

Regularly update server inventory, document all servers, track hardware and software details.

• Create a centralized inventory database or spreadsheet to track all servers.

• Include details such as server name, IP address, location, hardware specifications, software installed, and owner.

• Regularly update the inventory to reflect any changes or additions to the server infrastructure.

• Implement a labeling system for physical servers to easily identify them in the data center.

• Perform r...read more

Transaction flow of a POS machine involves multiple steps from initiation to completion.

• Customer initiates payment by swiping or inserting card

• POS machine reads card information and sends it to payment gateway

• Payment gateway verifies card details and sends request to card issuer

• Card issuer approves or declines the transaction and sends response to payment gateway

• Payment gateway sends response to POS machine

• POS machine prints receipt and completes transaction

Outlook configuration is the process of setting up and customizing the Outlook email client for optimal use.

• Outlook configuration involves setting up email accounts, creating rules and filters, and customizing the user interface.

• It includes configuring email server settings, such as POP or IMAP, and SMTP for outgoing mail.

• Outlook configuration also includes setting up calendar, contacts, and other features.

• Examples of Outlook configuration tasks include adding email signature...read more

Views in SQL are virtual tables that are generated based on the result set of a SELECT query.

• Views do not store any data themselves, but instead display data from one or more tables.

• They can simplify complex queries by pre-defining commonly used joins, filters, and calculations.

• Views can also provide an additional layer of security by restricting access to certain columns or rows.

• Example: CREATE VIEW vw_employee AS SELECT id, name, department FROM employees WHERE department =...read more

To resolve an issue with the login screen, check for incorrect credentials, browser cache, and server status.

• Check for incorrect username or password input

• Clear browser cache and cookies

• Verify server status and connectivity

• Reset password if necessary