Pergunta de entrevista da empresa Perennial System

Can you explain the concept of virtual memory and how it is implemented in modern computer systems? How would you optimize the performance of a computer program or algorithm? What is the difference between multiprocessing and multitasking? Describe the process of booting a computer and the various stages involved. Can you explain the difference between TCP and UDP protocols? When would you use one over the other? How do you ensure data integrity and reliability in a distributed system? What are the advantages and disadvantages of using a relational database management system (RDBMS) versus a NoSQL database? Explain the concept of cache memory and its role in improving system performance. How would you design a fault-tolerant system that can handle hardware or software failures gracefully? Can you describe the steps involved in compiling and linking a program?