D386 Hardware and Operating System Essentials Questions and Answers Already Passed

D386 Hardware and Operating System Essentials Questions and Answers Already Passed **What system software acts as an intermediary, facilitating communication between computer hardware and other software?** **Answer:** Operating system **What is the primary function of a computer operating system?** **Answer:** It acts as a resource manager. **What category of software do programs like Mac OS X and Windows 10 belong to?** **Answer:** Operating System (OS) **Which operating system is open-source, allowing for modification and redistribution of its source code?** **Answer:** Android **What primarily oversees the operations of virtual machines within a virtualized environment?** **Answer:** Cloud-based operating systems **What is a notable characteristic of cloud-based operating systems?** **Answer:** They are primarily stateless. **What term describes the unique set of services that operating systems provide for applications, which vary between different operating systems?** **Answer:** System calls **What is an Application Programming Interface (API)?** **Answer:** It is a set of software routines that enables one software system to interact with another. **Why do applications designed for one operating system often fail to function properly on a different operating system?** **Answer:** Due to unique system calls **Which type of operating systems support multitasking and are commonly found in laptops and workstations?** **Answer:** Single-user systems **What type of operating systems provide single-user and multitasking capabilities at a reduced level due to power and memory constraints?** **Answer:** Mobile Device Operating Systems **Which category of operating systems is large, fast, and powerful, used for high transaction processing and complex computations, often utilized by corporations and government agencies?** **Answer:** Mainframe Systems **What are network server systems designed and named for?** **Answer:** They are designed for specific purposes such as database servers, web servers, and print servers. **What type of operating systems are specialized for immediate CPU access when required?** **Answer:** Real-time systems **What are embedded control systems specialized operating systems for?** **Answer:** They are designed