IMTAC Interview Questions and Answers

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

• OOPs focuses on creating objects that interact with each other to solve a problem

• Key concepts include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation involves bundling data and methods that operate on the data into a single unit

• Inheritance allows a class to inherit propert...read more

Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness in software applications.

• Multithreading allows multiple threads to run concurrently within the same process

• Each thread has its own stack and shares the same memory space

• Multithreading can improve performance by utilizing multiple CPU cores efficiently

• Examples include running background t...read more

An exception is an event that disrupts the normal flow of a program's execution.

• Exceptions are used to handle errors and other exceptional events in a program.

• They allow the program to continue running even when unexpected situations occur.

• Examples of exceptions include divide by zero, file not found, and out of memory errors.

Cache in memory is a small, fast storage location that temporarily holds data that is frequently accessed or recently used.

• Cache helps improve the speed and performance of a computer system by reducing the time it takes to access data.

• There are different levels of cache such as L1, L2, and L3, with L1 being the fastest but smallest.

• Examples of cache include CPU cache, web browser cache, and disk cache.

DBMS stands for Database Management System. There is no one 'best' DBMS as it depends on specific requirements.

• DBMS is a software that manages databases, allowing users to store, retrieve, and manipulate data.

• Popular DBMS options include MySQL, Oracle, SQL Server, and PostgreSQL.

• The best DBMS for a particular project depends on factors like scalability, performance, cost, and specific requirements.

• For example, MySQL is...read more