Datasoft Application Software India Interview Questions and Answers

I went through the college placement process. The first round consisted of a combination of coding and aptitude tests.

Q1. What is the difference between a microcontroller and a microprocessor
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Q2. What is pwm
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Q3. Explain about your project
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Discussion on General Topics

General Aptitude test

Q1. Technical Questions on Windows and Mac
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Q2. Troubleshooting Shooting on different scenarios
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Q1. More Aggressive Questions on Troubleshooting
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Q1. One On One With the Hiring Manager
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Q1. Write a program which will take string and number of occurrences as a input. Find a character with same occurrences count in single interation.(multiples cases around this, not able to recall)
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Q2. Graph traversal
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Q1. System design components discussed in detail with different scenarios
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Q1. Prepare standard conflict manager round questions like conflict resolution, team leading experience, best work delivered, standard practices etc
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Directions: Each of the following question has a question and two statements labelled as (i) and (ii). Use the data/information given in (i) and (ii) to decide whether the data are sufficient to answer the question record your answer as

A) If you can get the answer from (1)alone but not from (2)
B) If you can get the answer from (2)alone but not from (1)
C) If can get the answer from (1)and (2)together ,although neither statement by itself suffice
D) If statement (1)alone suffices and statement (2) alone also suffice.
E) If can\'t get the answer from statements (1) and (2) together and you need more data.

Copyright protection is given for a work having originality,i.e. it should be from the author and must have minimum degree of creativity. So it is the author who is the real creator of the work thereby first owner of the copyright and Indian law recognizes author as the firstowner of the copyright .But by the term ‘ownership it means it includes not only theauthor ,but also assignee and can even a legal entity even though not defined in the !ct. InBern convention the term !uthor is not defined, instead it says that the person under whose name the work is disclosed, which implies that it is not necessary that always theauthor should be the owner. "owever Indian copyright !ct defines the tern ‘!uthor withrespect to various works, but still leaves some problems. It becomes more comple# in theconte#t of changing technologies, i.e. cinematographic works, sound recording, broadcasting etc which is a combination of different works, also when author does thework in the course of employment. $hen new technologies emerge, different mode of communication simultaneously arise and the e#ploitation of the copyright by wayof assignment %licensing will add economic benefits to the copyright owner and the provisions of assignment and licensing becomes crucial. By amendments Indian Copyright!ct has taken care of such provisions, but still leaving lacunae % the role of &udiciary becomes crucial in interpreting such provisions for effectively protecting the rights of the authors.

What are the constraints and give example that's include all constraints? 2. Basic SQL queries were asked but I don't remember 3. Then asked questions from my college projects

Q1. Why we use public, private and protect
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Public, private, and protected are access modifiers used in object-oriented programming to control the visibility of class members.
• Public: allows access to the member from outside the class

• Private: restricts access to the member only within the class

• Protected: allows access to the member within the class and its subclasses
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Q2. Difference between various SQL joins?
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SQL joins are used to combine rows from two or more tables based on a related column between them.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table, and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table, and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.

• C...read more
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Q1. What are the three types of data extensions?
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Q2. How many complex journeys you have worked on?
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Q1. Would you be able to handle a client when something is messed up?
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Q2. Are you open for shifts?
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Q1. Implement Traffic Light Functionality using HTML+CSS+ Vanilla Javascript (Initially Light should be RED, after 60 second it should turn into GREEN, then after 5 second YELLOW, and after 3 second turn it ba...read more
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Implement Traffic Light functionality using HTML+CSS+Vanilla Javascript
• Create HTML elements for the traffic light

• Use CSS to style the elements to represent the different lights (red, green, yellow)

• Use Vanilla Javascript to toggle the lights based on the specified time intervals
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Q2. Write a program to reserve a string without using any inbuilt method in javascript. (Two-pointer and One-pointer)
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Program to reserve a string without using inbuilt methods in JavaScript
• Use two pointers to swap characters at the beginning and end of the string until they meet in the middle

• Create a function that takes a string as input and returns the reversed string

• Example: Input 'hello', Output 'olleh'
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Q3. Questions on Resume Past Experience
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Q1. Support Role Questions 1) Like explaining a case which was done in your previous role and experience
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Q2. Questions on Javascript
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Q1. Technical Interview questions on Javascript, HTML, CSS and behavioural
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Q1. Manager Questions based on Position and previous work experience.
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Q1. Core java based questions, followed by springboot and then sql queries
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Q1. Scenario based java and spring boot questions and more complex sql queries
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Q1. Previous project related questions like difficulty faced in project, how you overcome that, day to day routine, discussed role in projects
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Q1. Salary discussion and onboarding instructions
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Mainly data leakage related problems

Q1. Basic Swift and Objective C related questions
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Q2. SOLID principle
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Q3. Details of SOLID principle with its basic
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Q4. How to handle memory leakage
Ans. 
Best practices for handling memory leaks in iOS development
• Use Instruments to identify memory leaks

• Avoid strong reference cycles with weak or unowned references

• Use autorelease pools for temporary objects

• Implement proper memory management with ARC (Automatic Reference Counting)
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Q5. Memory management
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