Easybi Solutions Software Engineer Trainee Interview Questions and Answers

Q1. Windows internals
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Q2. Windows apis like loaddll dynamically
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Q3. IPC mechanism in windows
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IPC mechanism in Windows allows communication between processes through shared memory, message passing, and synchronization.
• IPC mechanisms in Windows include named pipes, mailslots, shared memory, and sockets.

• Named pipes allow communication between processes on the same machine or over a network.

• Mailslots are used for one-way interprocess communication.

• Shared memory allows processes to share data by mapping a region of...read more
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Q4. Multi-threading in windows
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Multi-threading in Windows allows multiple threads to run concurrently within a single process.
• Windows provides APIs like CreateThread and CreateProcess to create and manage threads.

• Threads share the same memory space within a process, allowing for efficient communication and resource sharing.

• Windows supports both user-mode and kernel-mode threads, with user-mode threads being more lightweight.

• Synchronization mechanism...read more
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Q5. C++ general questions
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Q1. Memory management
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Q2. Memory mapping in windows, file mapping
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Memory mapping in Windows allows files to be mapped directly into memory for faster access and manipulation.
• Memory mapping allows files to be accessed as if they were in memory

• File mapping can be used for sharing data between processes

• Improves performance by reducing disk I/O operations

• Examples: CreateFileMapping, MapViewOfFile, UnmapViewOfFile
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Q3. Windows internal
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Q4. Critical section in windows
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Critical section in Windows is a synchronization mechanism used to protect shared resources from concurrent access.
• Critical sections are used to ensure mutual exclusion between threads accessing shared resources.

• They are implemented using the Windows API functions InitializeCriticalSection, EnterCriticalSection, and LeaveCriticalSection.

• Critical sections are more efficient than mutexes for synchronization within a sing...read more
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Trees,stack , queue questions and circular linked list question

It was online , evryone cheated , and even solving all the questions wont get you shortlisted

Q1. Dynamic memory allocation in c
Ans. 
Dynamic memory allocation in C allows for allocating memory at runtime, enabling flexibility in memory usage.
• Use functions like malloc(), calloc(), and realloc() to dynamically allocate memory in C.

• Remember to free the allocated memory using free() to prevent memory leaks.

• Dynamic memory allocation is commonly used for creating arrays or structures of unknown size at compile time.
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Q2. Reverse linked list
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Product array itself

Parking lot design system design in java

There were some basic aptitude and english questions too.
first two were easy questions on strings and array.
third question on trees.
I solved first 2 questions.

Q1. Computer networking, Operating systems, DBMS, Java, OOPS
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Q2. Linked list implementation and operations.
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Linked list is a data structure where each node points to the next node. Common operations include insertion, deletion and traversal.
• Linked list is made up of nodes that contain data and a pointer to the next node.

• Insertion involves creating a new node and updating the pointers of the adjacent nodes.

• Deletion involves updating the pointers of the adjacent nodes to bypass the node to be deleted.

• Traversal involves startin...read more
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Q3. Bit manipulation question on counting number of 1's in binary of a decimal number
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Q1. Questions related to Projects and what design pattern you followed in it.
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Q2. Create a table of a Manager-Employee, add some rows in it and write some queries.
Ans. 
Create a table of Manager-Employee, add rows, and write queries.
• Create a table named 'ManagerEmployee' with columns 'ManagerID' and 'EmployeeID'

• Add rows to the table to represent the relationship between managers and employees

• Write queries to retrieve information such as employees reporting to a specific manager
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Q3. What are the challenges I faced in my last project and how did I resolve it?
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Arrays and strings, trees

Q1. Questions on oops and projects
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Q2. Tell if two strings are anagrams or not
Ans. 
Check if two strings are anagrams by comparing the sorted characters in each string.
• Sort the characters in both strings and compare if they are equal.

• Ignore spaces and punctuation when comparing the strings.

• Example: 'listen' and 'silent' are anagrams.

• Example: 'hello' and 'world' are not anagrams.
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Q1. What is tally solutions?
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Tally Solutions is a software company that provides accounting and business management software solutions.
• Tally Solutions offers software for financial accounting, inventory management, payroll, and more

• It is widely used by small and medium-sized businesses for managing their finances

• Tally software helps in generating reports, tracking expenses, and ensuring compliance with tax regulations
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Q2. Regarding projects and some hr questions
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Q1. Discuss 4 case study related to supply chain management.
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