Answer: Blockchain is a decentralized digital ledger that records transactions across many computers. It ensures transparency and security by using cryptographic techniques.

Answer: Cloud computing allows users to access computing resources over the internet, providing scalable and on-demand services such as storage, databases, and computing power.

Answer: 5G technology offers faster internet speeds, lower latency, and greater network reliability. It enables enhanced mobile experiences and supports the growth of IoT (Internet of Things) devices.

Answer: Quantum computing leverages quantum mechanics to perform complex computations much faster than classical computers, with potential applications in cryptography and optimization problems.