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Placement Papers

TCS, Infosys, Wipro, Cognizant actual papers

654 Q 10 Topics Take Test
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Difficulty: All Easy Medium Hard 581–590 of 654
Topics in Placement Papers
Q.581 Easy TCS Questions
TCS announced a special bonus structure in 2024. Which of the following best describes TCS's primary business focus?
A IT Services, Consulting, and Business Solutions
B Manufacturing and Heavy Industries
C Retail and E-commerce
D Banking and Financial Services only
Correct Answer:  A. IT Services, Consulting, and Business Solutions
EXPLANATION

TCS (Tata Consultancy Services) is a global IT services and consulting company with diverse business segments including IT services, consulting, and enterprise solutions.

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Q.582 Hard TCS Questions
In a graph with 5 vertices and 7 edges, what type of graph is it most likely to be?
A Tree
B Sparse graph
C Dense graph
D Disconnected graph
Correct Answer:  B. Sparse graph
EXPLANATION

With 5 vertices, maximum edges = 10. With 7 edges, it's sparse (closer to tree structure than dense).

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Q.583 Easy TCS Questions
TCS has how many employees (approximately) as of 2024-25?
A 200,000
B 400,000
C 600,000
D 800,000
Correct Answer:  C. 600,000
EXPLANATION

TCS employs over 600,000 people globally, making it one of the largest IT service providers.

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Q.584 Medium TCS Questions
If you have an array [3,1,4,1,5,9,2,6], what is the median?
A 3.5
B 4
C 3
D 5
Correct Answer:  A. 3.5
EXPLANATION

Sorted: [1,1,2,3,4,5,6,9]. Median of 8 elements = (3+4)/2 = 3.5

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Q.585 Medium TCS Questions
Which of the following is NOT a characteristic of NoSQL databases?
A Schema-less
B Horizontal scalability
C ACID transactions
D High availability
Correct Answer:  C. ACID transactions
EXPLANATION

NoSQL databases typically follow eventual consistency rather than strict ACID properties.

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Q.586 Easy TCS Questions
In recursion, what prevents infinite loops?
A Loop counter
B Base case
C Stack overflow
D Memory limit
Correct Answer:  B. Base case
EXPLANATION

A base case is the termination condition that stops recursive calls from continuing indefinitely.

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Q.587 Medium TCS Questions
What is the primary advantage of using microservices architecture in TCS projects?
A Increased monolithic design
B Independent deployment and scalability
C Reduced code quality
D Single point of failure
Correct Answer:  B. Independent deployment and scalability
EXPLANATION

Microservices allow independent scaling, deployment, and development of different services.

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Q.588 Medium TCS Questions
A database query has time complexity O(n log n). For n=1000, approximately how many operations occur?
A 1000
B 10000
C 100000
D 1000000
Correct Answer:  B. 10000
EXPLANATION

O(n log n) with n=1000: 1000 × log₂(1000) ≈ 1000 × 10 = 10000 operations.

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Q.589 Easy TCS Questions
If a project uses version control with Git, what command is used to merge branches?
A git push
B git merge
C git commit
D git clone
Correct Answer:  B. git merge
EXPLANATION

The 'git merge' command integrates changes from one branch into another.

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Q.590 Medium TCS Questions
Which sorting algorithm is most suitable when memory is limited?
A Merge Sort
B Heap Sort
C Quick Sort
D Counting Sort
Correct Answer:  B. Heap Sort
EXPLANATION

Heap Sort uses O(1) extra space, making it ideal for memory-constrained environments.

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