Bosch Global Software Technologies Software Developer Interview Questions and Answers

Q1. String reverse
Ans. 
Reversing a string involves rearranging its characters in the opposite order, often used in programming tasks.
• Use built-in functions: In Python, use `s[::-1]` to reverse a string. Example: `s = 'hello'; reversed_s = s[::-1]` results in 'olleh'.

• Iterative approach: Loop through the string from the end to the beginning. Example: `''.join(s[i] for i in range(len(s)-1, -1, -1))`.

• Recursive method: Define a function that call...read more
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Q2. Dsa linked lists
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Q3. Linked lists reverse
Ans. 
Reversing a linked list involves changing the direction of its pointers to reverse the order of nodes.
• Iterative approach: Use three pointers (prev, current, next) to reverse links.

• Example: For list 1 -> 2 -> 3, after reversal it becomes 3 -> 2 -> 1.

• Recursive approach: Reverse the rest of the list and adjust pointers.

• Example: For list A -> B -> C, recursively reverse to get C -> B -> A.
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Q4. Map unique elements
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Map unique elements in an array of strings
• Create a map to store unique elements

• Iterate through the array and add each element to the map as a key

• Retrieve the keys of the map to get the unique elements
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Q5. Sets find elements in set
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Sets are data structures that store unique elements and can be used to efficiently find elements in the set.
• Sets do not allow duplicate elements, so each element in a set is unique.

• To find elements in a set, you can use the 'has' method to check if a specific element is present in the set.

• Sets are commonly used in programming for tasks like removing duplicates from a list or checking for the presence of specific elemen...read more
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English basic electrical

Q1. Basic electrical related
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Q1. Ready for rellocation or not
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Got question related to logical reasoning

Q1. Struct vs enumerations
Ans. 
Structs are used to define a data structure with multiple fields, while enumerations are used to define a set of named constants.
• Structs are used to group related data together, while enumerations are used to define a set of named constants.

• Structs can have multiple fields of different data types, while enumerations can only have a fixed set of named values.

• Example: struct Person { string name; int age; } vs enum Days ...read more
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Q2. Paging in Operating systems
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Paging in operating systems is a memory management scheme that allows the operating system to use disk space as an extension of RAM.
• Paging divides physical memory into fixed-size blocks called pages.

• Virtual memory is divided into fixed-size blocks called frames.

• The operating system keeps track of which pages are in RAM and which are on disk using a page table.

• When a process needs a page that is not in RAM, a page fault...read more
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