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piu, SMPS, DG, and battery bank are all components of a backup power system.
PIU stands for Power Interface Unit, which is used to connect the backup power system to the main power supply.
SMPS stands for Switched-Mode Power Supply, which converts AC power to DC power for the backup system.
DG stands for Diesel Generator, which is used as a backup power source in case of power outages.
Battery bank refers to a group of bat...
I applied via Company Website and was interviewed in Jul 2021. There were 5 interview rounds.
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I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.
Test output of a graphic card
Check for resolution and refresh rate
Test different graphic-intensive applications
Check for artifacts or distortion in the output
Test with different cables and monitors
Benchmark the performance using software tools
Quality assurance is the process of ensuring that a product or service meets the desired level of quality.
7QC tools are used to identify and solve quality problems
The tools include Pareto chart, cause-and-effect diagram, control chart, histogram, scatter diagram, flowchart, and check sheet
QA involves creating and implementing processes and procedures to prevent defects and improve quality
It also involves testing and ev...
I have worked on various projects in the past, including testing web applications, mobile apps, and APIs.
Tested web applications for functionality, usability, and performance.
Tested mobile apps on different devices and platforms.
Tested APIs for data accuracy and response times.
posted on 12 Jun 2024
I applied via Referral
Program to print binary tree elements in spiral order
Use two stacks to keep track of nodes at odd and even levels
Push nodes from left to right in odd level stack and right to left in even level stack
Pop nodes from the stack alternatively and print them
Repeat until both stacks are empty
Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.
The browser checks the cache for a previously stored copy of the webpage
If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address
The browser then sends a request to the web server at the IP address for the webpage
The web server responds with the requested webpage
The brows...
MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.
MAC addresses are used for communication within a local network
IP addresses are used for communication across different networks
MAC addresses are assigned by the manufacturer and cannot be changed
IP addresses can be assigned dynamically or statically
MAC addresses are used in the...
Developed a web application for tracking inventory and sales data
Used React.js for front-end development
Implemented RESTful APIs using Node.js and Express for back-end
Utilized MongoDB for database management
Integrated authentication and authorization features for secure access
Designed user-friendly interface with responsive design
An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.
ArrayList is a class in Java's Collection framework.
It implements the List interface and allows duplicate elements.
Elements can be added or removed using methods like add(), remove(), etc.
It can also be sorted using the sort() method.
Example: ArrayList
names.add("John"); names.add("Mary"); names.remove(0);
ArrayList is a resizable array while LinkedList is a doubly linked list.
ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.
ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.
ArrayList is better for random access while LinkedList is better for sequential access.
Example: ArrayList - List
Java is not a pure OO language due to primitive types not being objects.
Primitive types like int, boolean, etc. are not objects in Java
They do not have methods or inheritance like objects do
This violates the principle of everything being an object in pure OO languages
Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives
Object-oriented languages support inheritance and polymorphism, while object-based languages do not.
Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.
Object-based languages only support objects, but do not have the concept of classes or inheritance.
Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj
Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.
For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...
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