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Computer Knowledge - MCQ Practice Questions

Practice free Computer Knowledge multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

309 questions | 100% Free

Q.101Medium

Which data structure is best suited for implementing a priority queue?

Q.102Medium

In SQL, what is the difference between INNER JOIN and LEFT JOIN?

Q.103Medium

Which cloud service model provides virtualized computing resources over the internet?

Q.104Medium

What is the primary purpose of database indexing?

Q.105Medium

In cybersecurity, what does encryption primarily protect against?

Q.106Medium

Which sorting algorithm has the best average-case time complexity?

Q.107Medium

What is the primary function of a query optimizer in a DBMS?

Q.108Medium

In machine learning basics, what is the purpose of training data in AI models?

Q.109Medium

Which data structure is best suited for implementing a LRU (Least Recently Used) cache?

Q.110Medium

Which normalization form eliminates transitive dependencies?

Q.111Medium

What is the primary purpose of database replication in distributed systems?

Q.112Medium

Which algorithm is commonly used for sorting in most programming language standard libraries?

Q.113Medium

In machine learning basics, what is overfitting?

Q.114Medium

Which of the following is a characteristic of NoSQL databases?

Q.115Medium

What is the purpose of database sharding?

Q.116Medium

In AI/ML, what does a neural network's activation function do?

Q.117Medium

Which of the following best describes microservices architecture?

Q.118Medium

What is the purpose of connection pooling in database management?

Q.119Medium

Which sorting algorithm is most efficient for nearly sorted data?

Q.120Medium

In cloud security, what is the principle of least privilege?