Practice IT Operating System Questions and Answers

• Which component in Hadoop is responsible for managing cluster resources and scheduling tasks?
• In a binomial heap, if the root is greater than the left child and less than the right child, which of the following statements is correct?
• Does Dijkstra's algorithm work for graphs with both negative and positive edge weights?
• Why does paging incur memory overhead in operating systems?
• Is every view serializable schedule also conflict serializable?
• In a dense index, why might an index entry not appear for every search key value in the file?
• Which register stores the temporary results during computation?
• What is the relationship between the Java Virtual Machine (JVM) and the Java Runtime Environment (JRE)?
• Which of the following statements best describes a "trap door" in the context of computer security?
• What is the primary purpose of the memory management process known as "compaction"?
• Which of the following statements is true regarding the reliability requirements of the Spiral Model in software development?
• What were the early operating systems commonly known as, and what was their primary function?
• What is the primary goal of disk scheduling in operating systems?
• What does the term "code optimization" refer to in the context of software development?
• Which of the following statements accurately describes a guided transmission medium?
• Which of the following statements best describes a mesh topology in network design?
• Which of the following statements accurately describes the layer functionality of a router in network communication?
• What is the purpose of the #define directive in programming languages like C and C++?
• What is the main goal of the Dining Philosophers Problem in computer science?
• What is the primary purpose of the ALOHA protocol in networking?
• What is the primary purpose of a Service Level Agreement (SLA) in a business context?
• What is the primary function of a MAC address in a network?
• What is the primary function of the CICS (Customer Information Control System) in mainframe computing?
• In object-oriented programming, when defining an interface method, which of the following statements is true regarding method parameters?
• What is the purpose of the CASE statement in SQL?
• What is the primary purpose of the UNION ALL operator in SQL?
• What is the primary objective of system testing in the software development lifecycle?
• What was the term "Monitor" used to describe in the context of early operating systems?
• What is the main purpose of disk scheduling in an operating system?
• What is the primary difference between SRAM (Static Random-Access Memory) and DRAM (Dynamic Random-Access Memory)?
• What is the primary goal of code optimization in software development?
• What is unguided transmission in the context of data communication?
• What is a key characteristic of a star topology in networking?
• What is the primary function of a gateway in a network?
• What is the purpose of the #include directive in C/C++ programming?
• What does the Hamming distance measure in the context of information theory and coding?
• What is the primary concept behind the ALOHA protocol in network communication?
• What is the primary objective of the Producer-Consumer problem in concurrent programming?
• What is overfitting in the context of machine learning models?
• What does the term "serializable" refer to in the context of database transactions?