Innohub Technologies Interview Questions and Answers

Basic JavaScript output-based questions were presented in the form of multiple-choice questions (MCQs).

Q1. What is custom diractives in Angular
Ans. 
Custom directives in Angular allow you to create reusable components with custom behavior.
• Custom directives are used to extend the functionality of HTML elements in Angular.

• They can be used to create reusable components with custom behavior.

• Directives are markers on a DOM element that tell Angular to attach a specified behavior to that DOM element or even transform the DOM element and its children.

• Examples include crea...read more
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Q2. What is pipes in Angular
Ans. 
Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or transform data in various ways.

• Examples include currency, date, uppercase, and lowercase pipes.
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Q3. What is interceptor in Angular
Ans. 
An interceptor in Angular is a service that can be used to intercept and modify HTTP requests and responses.
• Interceptors can be used to add headers, modify requests, handle errors, etc.

• They are implemented as classes that implement the HttpInterceptor interface.

• Interceptors are added to the HttpClientModule providers array in the app module.

• Example: LoggingInterceptor implements HttpInterceptor to log all HTTP requests
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Q1. Do you know writing Unit test case?
Ans. 
Yes, I am familiar with writing unit test cases to ensure code quality and functionality.
• I have experience writing unit test cases using testing frameworks like JUnit, NUnit, or pytest.

• I understand the importance of writing testable code and creating comprehensive test suites.

• I can write test cases to cover different scenarios, including edge cases and boundary conditions.

• I know how to use mocking frameworks like Mocki...read more
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Q2. What state management library do you have used?
Ans. 
I have used Redux for state management in my previous projects.
• Redux is a predictable state container for JavaScript apps.

• It helps in managing the state of the application in a single immutable state tree.

• Actions are dispatched to update the state and components can subscribe to changes.

• Selectors can be used to efficiently extract data from the state tree.

• Middleware can be added to handle asynchronous actions.

• Example:
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Q1. What is your expected Salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for Software Development Engineers.
• Research the average salary for Software Development Engineers in the specific location and industry

• Consider your years of experience and level of expertise

• Factor in any additional benefits or perks offered by the company

• Be prepared to negotiate based on the job responsibilities and requirements
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Q2. How soon would you be able to join if you receive the offer letter today?
Ans. 
I can join within 2 weeks of receiving the offer letter.
• I can start within 2 weeks of receiving the offer letter.

• I need to give notice at my current job before starting.

• I may need to relocate, which could affect my start date.
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Q1. What is WDR ?
Ans. 
WDR stands for Wide Dynamic Range. It is a feature in cameras that allows them to capture clear images in both bright and dark areas.
• WDR helps to balance the exposure in different parts of the image

• It is useful in scenarios where there are both bright and dark areas in the same frame

• WDR technology combines multiple images taken at different exposures to create a single well-exposed image
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Q2. What is BLC and HLC
Ans. 
BLC stands for Basic Life Cycle and HLC stands for High Level Cycle.
• BLC refers to the basic stages of a product or system's life cycle, including development, testing, and deployment.

• HLC refers to the higher-level phases of a product or system's life cycle, such as maintenance, updates, and retirement.

• Understanding both BLC and HLC is important for ensuring the successful management of a product or system.
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Q1. What is the Bitrate
Ans. 
Bitrate is the number of bits processed or transmitted per unit of time.
• Bitrate is commonly used in digital multimedia and telecommunications to measure data transfer rates.

• It is typically measured in bits per second (bps) or kilobits per second (kbps).

• Higher bitrate generally means better quality but also requires more bandwidth.

• For example, a video with a bitrate of 10 Mbps will have higher quality than the same vide
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Q2. What is resolution of 2 MP
Ans. 
2 MP resolution refers to a camera or display with 2 million pixels.
• 2 MP stands for 2 megapixels

• It means the camera or display has a resolution of 1600 x 1200 pixels

• Higher resolution results in clearer and more detailed images
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