Bharti Airtel Interview Questions and Answers

To change the odd bits in a binary number, flip the bits at odd positions and convert the new binary number to decimal form.

• Start by converting the given number into binary form.

• Identify the odd bits in the binary number (counting from right to left, starting at 1).

• Flip the odd bits by changing 1s to 0s and 0s to 1s.

• Convert the new binary number into decimal form.

• For example, if the given number is 13 (binary 1101), the odd bits are at positions 1 and 3. Flipping them gives 1...read more

Find the second largest integer in an array of strings

• Convert the strings in the array to integers

• Sort the integers in descending order

• Return the second element in the sorted array as the second largest integer

Level order traversal of binary tree visits nodes level by level, from left to right.

• Use a queue to keep track of nodes at each level

• Start by pushing the root node into the queue

• While the queue is not empty, dequeue a node, visit it, and enqueue its children

My strengths include strong communication skills, ability to work well in a team, and problem-solving abilities.

• Strong communication skills - able to effectively convey ideas and information

• Ability to work well in a team - collaborate with others to achieve common goals

• Problem-solving abilities - able to analyze situations and come up with effective solutions

Primary memory is volatile and directly accessible by the CPU, while secondary memory is non-volatile and used for long-term storage.

• Primary memory is faster but has limited capacity, while secondary memory is slower but has larger capacity.

• Examples of primary memory include RAM and cache memory, while examples of secondary memory include hard drives and SSDs.

• Primary memory stores data that is currently being used by the CPU, while secondary memory stores data that is not cur...read more