Meditab Software Interview Questions and Answers

Q1. Can you please explain the difference between Inner join and cross join and also give example of use?
Ans. 
Inner join combines rows from two tables based on a related column, while cross join combines every row from one table with every row from another.
• Inner join only returns rows that have matching values in both tables

• Cross join returns the Cartesian product of the two tables

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Cross join - SELECT * FROM table1 CROSS JOIN table2
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Good and very nice basic

Q1. Basic questions?
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Q2. Yourself about?
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Q1. Same as technical
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Q2. About post ? What fo u know?
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Easy to crack logical reasoning and grammer

Q1. Need to focus on our domain .
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Q1. Tell me about yourself ?
Ans. 
I am an Embedded Software Engineer with a passion for developing efficient firmware and a strong background in hardware-software integration.
• Educational Background: I hold a degree in Computer Engineering, where I focused on embedded systems and real-time programming.

• Professional Experience: I have over 5 years of experience working with microcontrollers like ARM Cortex and AVR, developing firmware for various applicat...read more
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Q2. What are Pointer and Pointer-related snippets?
Ans. 
Pointers are variables that store memory addresses. Pointer-related snippets are code examples involving pointers.
• Pointers are used to store memory addresses of variables in C/C++.

• Pointer arithmetic can be performed to access elements of arrays.

• Dereferencing a pointer means accessing the value at the memory address stored in the pointer.
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Q3. Write a code for the Reverse Linked list
Ans. 
Code to reverse a linked list
• Create three pointers: prev, current, next

• Iterate through the linked list, updating pointers accordingly

• Set the next of current to prev, move prev and current pointers forward

• Update the head of the linked list to the last node visited
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Q4. Write a code for string reversal.
Ans. 
Code to reverse a string in C++ using pointers.
• Use two pointers, one pointing to the start of the string and the other pointing to the end.

• Swap the characters at the two pointers and move them towards each other until they meet in the middle.

• Repeat the process until the entire string is reversed.
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Q5. Find the prime number of Natural numbers between their ranges.
Ans. 
To find prime numbers between a range of natural numbers.
• Iterate through each number in the range

• Check if the number is prime by dividing it by numbers up to its square root

• If the number is prime, add it to the list of prime numbers
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Q6. What are the main roles of you in your projects?
Ans. 
As an Embedded Software Engineer, I focused on designing, developing, and testing software for embedded systems in various projects.
• Software Development: I developed firmware for microcontrollers, such as writing code for an ARM Cortex-M processor to control hardware peripherals.

• System Integration: I integrated software with hardware components, ensuring seamless communication between sensors and actuators in a robotic...read more
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Q1. Why are you looking for a job change?
Ans. 
I am seeking a job change to pursue new challenges, enhance my skills, and contribute to innovative projects in embedded systems.
• Career Growth: I am looking for opportunities that offer a clear path for advancement, such as leading projects or mentoring junior engineers.

• Skill Development: I want to work with cutting-edge technologies, like IoT or AI in embedded systems, to expand my technical expertise.

• Passion for Inno...read more
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Q2. What is the culture of your Company?
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Q3. Demotivate for a salary negotiation?
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Q1. What's your background
Ans. 
I have over 10 years of experience in software development, specializing in full-stack web development.
• 10+ years of experience in software development

• Specialize in full-stack web development

• Proficient in languages such as JavaScript, Python, and Java
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Q2. Tell about React
Ans. 
React is a JavaScript library for building user interfaces.
• Declarative: React makes it easy to create interactive UIs by breaking them into reusable components.

• Virtual DOM: React uses a virtual DOM to improve performance by only updating the necessary parts of the actual DOM.

• Component-based: React encourages the creation of reusable components that manage their own state.

• JSX: React allows you to write HTML-like syntax ...read more
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Test on c language mcq, linux, c++, data structure

On C language, linux, c++, Data structure

Q1. Question on C language
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Q2. Question on Linux, C++, Data structure
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Good working ye ache se bata he kya apka aptitude he

Q1. Tell me about your self
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Q1. Tell me about your self
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