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Practice MCQs

Test Your Knowledge with MCQs

Practice thousands of multiple-choice questions across all engineering subjects with instant feedback and detailed explanations.

0:00
Operating Systems
easy

1.Which scheduling algorithm is non-preemptive?

Operating Systems
easy

2.What is a semaphore?

Operating Systems
medium

3.Which page replacement algorithm suffers from Belady's anomaly?

Data Structures
easy

4.What is the time complexity of binary search?

Data Structures
easy

5.Which data structure is used for implementing recursion?

DBMS
easy

6.Which SQL clause is used to filter groups?

DBMS
easy

7.What is a foreign key?

Computer Networks
easy

8.Which protocol is used for email transmission?

Computer Networks
easy

9.What is the default port for HTTPS?

Machine Learning
easy

10.Which algorithm is used for classification?

Machine Learning
easy

11.What is the purpose of the activation function in neural networks?

Machine Learning
easy

12.Which metric is used for evaluating classification models?

Data Structures & Algorithms
medium

13.What is the time complexity of quicksort in the worst case?