Ghurki Trust Teaching Hospital Lahor Pakistan Interview Questions and Answers

20 questions within 1 hour ,3-4 logical reasoning, 12-15 maths (work , time, speed, interest)

Q1. What is encapsulation
Ans. 
Encapsulation is the process of hiding implementation details and providing a public interface for accessing the functionality.
• Encapsulation helps in achieving data abstraction and information hiding

• It prevents unauthorized access to the internal details of an object

• It allows for better control over the data and its behavior

• Example: A class with private variables and public methods to access them
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Q2. What are classes, functions, objects.
Ans. 
Classes are templates for creating objects, functions are blocks of code that perform a specific task, and objects are instances of a class.
• Classes define the properties and methods of an object

• Functions are reusable blocks of code that can take input and return output

• Objects are created from a class and have their own unique properties and methods

• Example: Class - Car, Function - startEngine(), Object - myCar
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Q3. Write a program to check if pallindrome
Ans. 
Program to check if a given string is a palindrome
• Remove all non-alphanumeric characters from the string

• Convert the string to lowercase

• Reverse the string and compare with the original string
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Q4. Write a program to print a pattern * * ** ** *** *** **** **** *********
Ans. 
Program to print a pattern of stars in a specific shape.
• Use nested loops to print the stars in the desired pattern.

• The number of stars in each row increases by one until the middle row, then decreases by one.

• The number of spaces between the stars decreases by one until the middle row, then increases by one.
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Q1. Sizeof operator implementation
Ans. 
Sizeof operator in C returns the size of a variable or data type in bytes.
• Sizeof operator is evaluated at compile time

• Sizeof operator can be used with variables, data types, or expressions

• Example: sizeof(int) returns 4 on a 32-bit system
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1.basic c program questions
2.asked array related program
3. Some operating system questions

1.asked questions on Android boot flow
2.asked previous projects

Q1. Asked about previous projects while looking at resume
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Q2. Asked why you are looking for job change?
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Q1. Aws related question
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Q1. Growth of sales between the years
Ans. 
The sales growth between the years is calculated by comparing the sales figures from one year to another.
• Calculate the difference in sales between the two years

• Divide the difference by the sales figure of the initial year

• Multiply the result by 100 to get the percentage growth

• For example, if sales were $100 in year 1 and $120 in year 2, the growth would be (120-100)/100 * 100 = 20%
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Q1. What is async/await
Ans. 
Async/await is a feature in programming that allows asynchronous code to be written in a synchronous manner.
• Async/await is a way to write asynchronous code in a more synchronous style.

• It is used in languages like JavaScript to handle asynchronous operations.

• Async functions return a Promise, which allows them to be awaited.

• Await keyword is used to pause the execution of an async function until a Promise is settled.
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Q2. Implement CI/CD
Ans. 
Implementing CI/CD involves automating the process of integrating code changes and deploying them to production.
• Set up a version control system like Git to track changes

• Use a continuous integration tool like Jenkins to automatically build and test code

• Implement automated testing to ensure code quality

• Use a continuous deployment tool like Ansible or Docker to deploy code changes

• Integrate monitoring and alerting to track
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