Govt Exams
var has function scope, let/const have block scope. const prevents reassignment but let allows it
ABC12345 has uppercase (A,B,C), digit (1,2,3,4,5), and is 8+ characters long
Boys:Girls = 3:2, total parts = 5. Girls = (2/5) × 45 = 18
Let original = x. After operations: x × 0.5 × 4 = 2x = 200% of x
Cloud computing provides scalability, flexibility, and pay-as-you-go pricing models
++x increments x to 6 first, then x++ uses 6 and increments to 7. So 6 + 6 = 12
A Primary Key uniquely identifies each record and cannot contain null values
REST stands for Representational State Transfer, an architectural style for web services
Microservices architecture emphasizes small, independent services that communicate through APIs
Database normalization organizes data to minimize redundancy and improve data integrity