Pragathi Central School Interview Questions and Answers

Q1. Explain pipelining in RISC processor
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Asked to solve Basic Python codes in given time

Q1. What is Logistic Regression
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Logistic Regression is a statistical method used to model the relationship between a binary outcome variable and one or more predictor variables.
• Logistic Regression is used when the dependent variable is binary (e.g. 0/1, Yes/No, True/False).

• It estimates the probability of a certain event occurring based on one or more independent variables.

• The output of logistic regression is a probability score that can be converted ...read more
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Q2. What is supervised and unsupervised learning
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Supervised learning involves training a model on labeled data, while unsupervised learning involves finding patterns in unlabeled data.
• Supervised learning requires a target variable to be predicted, while unsupervised learning does not.

• Examples of supervised learning include classification and regression tasks, while examples of unsupervised learning include clustering and dimensionality reduction.

• In supervised learnin...read more
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Q3. What is mutability and immutability
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Mutability refers to the ability of an object to be changed after it is created, while immutability refers to the inability of an object to be changed once it is created.
• Mutability allows for changes to be made to an object's state, while immutability ensures that an object's state remains constant.

• In programming, mutable objects can be modified directly, while immutable objects require creating a new object with the d...read more
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Q4. Difference between List and Tuple
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List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified

• List is defined using square brackets [], Tuple is defined using parentheses ()

• Example: list_example = [1, 2, 3], tuple_example = (1, 2, 3)
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Q5. What are regression. Explain different types of regression
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Regression is a statistical method used to analyze the relationship between variables. Different types include linear, logistic, polynomial, etc.
• Regression is a statistical technique used to understand the relationship between a dependent variable and one or more independent variables.

• Different types of regression include linear regression, logistic regression, polynomial regression, ridge regression, and lasso regress...read more
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Q1. What is oopm ?
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OOPM stands for Object-Oriented Project Management, a methodology that focuses on managing projects using object-oriented principles.
• OOPM emphasizes breaking down projects into smaller, manageable components called objects

• It promotes reusability, modularity, and flexibility in project development

• Examples of OOPM tools include UML (Unified Modeling Language) and Agile methodologies
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Q2. Codes were given to solve
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Q3. What was your previous job role and what was challenging
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Find the sales for air tickets for an aeroplane company using Logistic Regression

Q1. Library Management Software
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Q2. E_Resources
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Q1. What is standard frequency
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Standard frequency refers to the regularity at which something occurs or is repeated.
• Standard frequency is the normal rate at which an event or process happens.

• It is often used in training to determine how often a certain task should be practiced.

• For example, in fitness training, the standard frequency for strength training exercises may be 2-3 times per week.
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Q2. Memories in Siemens plc
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Memories in Siemens plc involve storing and retrieving data for program execution.
• Siemens plc uses memory to store program instructions and data during operation.

• Different types of memory in Siemens plc include RAM, ROM, and EEPROM.

• Memory in Siemens plc is used for storing variables, timers, counters, and other program data.

• Retrieving data from memory in Siemens plc involves reading specific memory addresses.

• Memory man...read more
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Q3. Introduce yourself
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The first round was aptitude test which was held in online mode. there were nearly 40 questions all about logical reasoning, quants and verbal ability.

In the round 2 which were group discussion to check the communication skills. our topic was women empowerment.

Q1. In the technical round they asked me basic questions about html, css and js and also about SQL
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Q2. Introduction types of joins in sql and their use
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Types of joins in SQL include inner join, left join, right join, and full outer join.
• Inner join: Returns rows when there is a 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 outer join: Returns rows when there is a match in either table.
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Q1. What is your Experience
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Q2. Why are you changing your job
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Q1. They asked based on the details you have filled in your resume. So, be genuine and be you. Answer confidently.
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They gave assignment to edit the article, write video script, and e learning presentations.

Q1. About myself and basic questions
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Q1. Final call confirmation
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