Placement Papers - MCQ Practice Questions

TCS's Digital platform focuses on which emerging technologies as of 2024-25?

In a string, if characters are: a=1, b=2, ..., z=26. What is the sum for 'TCS'?

What does the time complexity O(2^n) indicate?

In a circular queue, if the array size is 10 and front=7, rear=2, how many elements are present?

Which sorting algorithm is most suitable when memory is limited?

If a project uses version control with Git, what command is used to merge branches?

A database query has time complexity O(n log n). For n=1000, approximately how many operations occur?

What is the primary advantage of using microservices architecture in TCS projects?

In recursion, what prevents infinite loops?

Which of the following is NOT a characteristic of NoSQL databases?

If you have an array [3,1,4,1,5,9,2,6], what is the median?

TCS has how many employees (approximately) as of 2024-25?

In a graph with 5 vertices and 7 edges, what type of graph is it most likely to be?

TCS announced a special bonus structure in 2024. Which of the following best describes TCS's primary business focus?

In TCS recruitment process 2024-25, candidates typically face four rounds. What is the primary purpose of the technical round?

A software engineer at TCS needs to optimize a search operation in a large database containing 1 million records. Which data structure would be most efficient?

In the TCS coding assessment, candidates encounter problems requiring recursion. What is the critical factor that prevents infinite recursion?

TCS developers working on cloud-based projects often use microservices architecture. What is a PRIMARY advantage of this approach?

An array [7, 3, 9, 1, 4, 2, 8] needs to be sorted. If memory is extremely limited, which sorting algorithm should be preferred?

In a TCS project using Git version control, a developer needs to undo committed changes. Which command should be used?