Entrance Exams
Govt. Exams
Normalization is the process of organizing data to reduce redundancy and dependency, improving database integrity
ArrayList uses arrays (O(1) random access) while LinkedList uses nodes (O(n) random access but O(1) insertion/deletion at ends)
Cross-validation divides data into multiple subsets to evaluate model performance and check if it generalizes well
API stands for Application Programming Interface - a set of rules that allows different applications to communicate
Cloud computing is characterized by remote resources, not physical hardware on-premises. All others are cloud characteristics
Polymorphism allows objects to take multiple forms - same method name can behave differently in different contexts (method overriding, overloading)
Version control systems track code changes over time and facilitate team collaboration by managing different versions
HTTPS is HTTP with encryption/security using SSL/TLS protocols for secure communication
An index is a database structure that improves the speed of data retrieval by creating a quick lookup mechanism
A Stack uses LIFO principle where the last element added is the first one to be removed