In Time Tec Visionsoft Junior Software Developer Interview Questions, Process, and Tips

Basic aptitude asked for all company

One question to find substring of string which has double chars

Q1. Basic oops and sql
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Q2. Write pandas for dataframe
Ans. 
Pandas is a Python library used for data manipulation and analysis, including creating and working with dataframes.
• Import the pandas library: import pandas as pd

• Create a dataframe: df = pd.DataFrame(data)

• Accessing data in a dataframe: df['column_name']

• Filtering data in a dataframe: df[df['column_name'] > value]

• Adding a new column: df['new_column'] = values
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Q1. Give angle betweeen hour hand and min hand art 12:20
Ans. 
The angle between the hour hand and minute hand at 12:20 is 10 degrees.
• Calculate the angle made by the hour hand from 12 o'clock position: (20/60)*30 = 10 degrees

• Calculate the angle made by the minute hand from 12 o'clock position: (20/60)*360 = 120 degrees

• Find the difference between the two angles: 120 - 10 = 110 degrees
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Q2. Basic operating system questions
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Questions based on coding

Based on coding questions

Q1. Introduction of yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding. I have experience with Java, Python, and web development.
• Recent graduate in Computer Science

• Proficient in Java, Python, and web development

• Passionate about coding
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Q2. About dbms , sql queries..
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Core subjects questions -MCQ + basic aptitude questions

90 degree rotate 2d array

Q1. Oops based questions were asked
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Q2. Find first missing number in array
Ans. 
Find the first missing number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array of integers.

• Iterate through the sorted array to find the first missing number.
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Q1. Acid properties used in real life project mentioned in resume
Ans. 
Used ACID properties in a banking application to ensure data consistency and reliability.
• Implemented transactions to ensure atomicity of operations

• Utilized isolation levels to prevent concurrent access issues

• Used locking mechanisms to maintain data consistency

• Ensured durability of data by committing changes to disk
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Q2. Normalisation based questions
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Q1. Family background
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Q1. DSA and oops questions
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