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Helloworld Technologies Interview Questions and Answers
Helloworld Technologies Interview Experiences
1 interview found
I applied via Apna Jobs and was interviewed before Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. Descrieb the rank functions in sql?
- Ans.
Rank functions in SQL are used to assign a rank to each row within a partition of a result set.
Rank function assigns a unique rank to each row based on the specified criteria.
Dense rank function assigns consecutive ranks to rows, with no gaps between ranks.
Row number function assigns a unique sequential integer to each row, starting from 1.
Examples: RANK(), DENSE_RANK(), ROW_NUMBER()
- Q2. Describe about the wroking of power bi with sql ?
- Ans.
Power BI can connect to SQL databases to import data, create visualizations, and generate reports.
Power BI can connect to SQL Server, Azure SQL Database, and other SQL-based data sources.
Users can import data from SQL databases into Power BI for analysis and visualization.
Queries can be written in Power BI to directly query SQL databases for real-time data updates.
Power BI can create interactive dashboards and reports ...
Skills evaluated in this interview
Data Analyst Interview Questions asked at other Companies
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Anonymous
posted on 4 Jul 2024
Aptitude test is based on logical questions and small programs
(2 Questions)
- Q1. All basics of core java and whatever you written in resume. ask about the your last projects. difference between then map, array list, collection, set etc.
- Q2. General questions about the andorid studio. ask some logical questions
(1 Question)
- Q1. This will be HR round. general hr questions
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Anonymous
posted on 27 Feb 2024
I applied via Naukri.com and was interviewed in Jan 2024. There were 4 interview rounds.
(2 Questions)
- Q1. Hardware engineer technical support
- Q2. Desktop and laptop hardware engineer
Hardwork postive thinking
(2 Questions)
- Q1. Tech support technical
- Q2. It support hardware
(1 Question)
- Q1. Hardware engineer technical support
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sk samsher hossain
posted on 13 Jul 2024
Selected
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
(1 Question)
- Q1. Education and experiance
Coding round with 4 coding problem
(1 Question)
- Q1. Interviewer give coding problems which we have to solved face to face
(1 Question)
- Q1. Then question answer regarding coding language and you knowledge regarding programming
Aptitude is very easy
(3 Questions)
- Q1. It's one way round which conducted virtual there was two questions we have to record their answers and submit it
- Q2. What is your strong point and weak point
- Ans.
Strong point - attention to detail, Weak point - public speaking
Strong point: Attention to detail - I excel at analyzing complex technical information and ensuring all details are accurate.
Weak point: Public speaking - I struggle with speaking confidently in front of large groups, but I am actively working on improving this skill.
- Q3. What is your big achievement in life
(1 Question)
- Q1. They ask about your life
There are 15 students and they give one topic and ask for healthy group discussion
(1 Question)
- Q1. Give answer confidently and ask questions return to them about your questions
Interview Preparation Tips
I applied via Job Fair and was interviewed in Aug 2023. There were 3 interview rounds.
30min- Analytical questions
(4 Questions)
- Q1. Everyhting from resume
- Q2. What is your experience
- Q3. Sql,powerbi, python
- Q4. Explain your resume
(1 Question)
- Q1. Why should i hire you situation based questions
Software Development Engineer II Interview Questions & Answers
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Anonymous
posted on 28 Feb 2024
I applied via LinkedIn and was interviewed in Jan 2024. There were 2 interview rounds.
Haacker Rank Test - 3 question . 2 questions were coding and 1 SQL query
(1 Question)
- Q1. Automatic Parking System - LLD -> class diagram, APIs , models and sequence diagram
I applied via Approached by Company and was interviewed in Dec 2022. There were 2 interview rounds.
(5 Questions)
- Q1. -what is the four-wheel drive?
- Ans.
Four-wheel drive is a system that powers all four wheels of a vehicle simultaneously for better traction and control.
It is commonly used in off-road vehicles and SUVs.
It provides better traction and control on slippery or uneven surfaces.
Four-wheel drive can be engaged or disengaged depending on the driving conditions.
It is different from all-wheel drive, which powers all four wheels all the time.
Examples of vehicles w...
- Q2. - the significance of differential in a vehicle?
- Ans.
Differential in a vehicle allows wheels to rotate at different speeds, enabling smooth turns and preventing tire wear.
Differential is a mechanism that splits torque between wheels on an axle
It allows wheels to rotate at different speeds while maintaining power to both wheels
Without differential, the wheels would be forced to rotate at the same speed, making turns difficult and causing tire wear
Examples of vehicles with...
- Q3. - difference in diesel and petrol engine
- Ans.
Diesel engines use compression ignition while petrol engines use spark ignition.
Diesel engines are more fuel-efficient than petrol engines.
Petrol engines have higher power output than diesel engines.
Diesel engines produce more torque than petrol engines.
Diesel engines are more durable and have longer lifespan than petrol engines.
Petrol engines are quieter and smoother than diesel engines.
Diesel engines emit more pollut...
- Q4. - significance of piston rings
- Ans.
Piston rings are crucial components in internal combustion engines that prevent oil and fuel from leaking into the combustion chamber.
Piston rings create a seal between the piston and cylinder wall, allowing the engine to build compression and power.
They also help regulate oil consumption and prevent excessive oil from entering the combustion chamber.
Piston rings can wear out over time, leading to decreased engine perf...
- Q5. Sprung and unsprung mass
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Oct 2022. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Previous company experiences and about roles and responsibilities.
- Q2. Salary discussion and some basic formalities for onboarding
- Q3. What kind of basic problems are there in a laptop or a desktop? What are the parts available in a desktop? About os related issues or some networking related query.
- Ans.
Basic problems in laptops/desktops, desktop parts, OS and networking issues.
Basic problems: slow performance, overheating, hardware failure, software issues
Desktop parts: motherboard, CPU, RAM, hard drive, power supply, graphics card
OS issues: installation, updates, compatibility, driver issues
Networking issues: connectivity, speed, security
Interview Preparation Tips
- Device Drivers
- Operating Systems
- Computer Hardware
- Network Engineering
Skills evaluated in this interview
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