WGU - D386 Hardware and Operating Systems Essentials Questions with Verified Solutions

WGU - D386 Hardware and Operating Systems Essentials Questions with Verified Solutions **Question 1:** What role does an operating system fulfill in a computer system, acting as an intermediary between hardware components and software applications? **Answer 1:** It facilitates communication and manages resources. **Question 2:** How would you categorize software like Mac OS X and Windows 10? **Answer 2:** They are examples of operating systems (OS). **Question 3:** Which operating system permits users to modify and redistribute its source code freely? **Answer 3:** Android, being open-source, allows for this flexibility. **Question 4:** What defines a cloud-based operating system's state characteristic? **Answer 4:** They typically operate in a stateless manner. **Question 5:** What are system calls, and how do they differ across various operating systems? **Answer 5:** They are specialized services provided by OS for application use, varying between different OS architectures. **Question 6:** Which type of operating systems are designed to operate efficiently on mobile devices with limited power and memory? **Answer 6:** Mobile device operating systems. **Question 7:** What basic resources does an OS manage before allowing user interactions? **Answer 7:** 1. Processor 2. Storage 3. Devices 4. Input/Output 5. Memory **Question 8:** How would you define mainframe systems in terms of their usage and capabilities? **Answer 8:** They are powerful systems used for high-volume transaction processing and complex computations by large organizations.