WGU D386 PA QUESTIONS AND
ANSWERS 100% PASS
**What is the purpose of Random Access Memory (RAM) in an operating system?** ✔✔ RAM serves as temporary storage where the OS keeps its system code and running programs.
**Can you name a server operating system example?** ✔✔ Red Hat Enterprise Linux is a widely-used server operating system.
**In an operating system, what component manages each process in memory, deciding whether to run it or wait for an event?** ✔✔ Process Control Management is fundamental, tracking processes' status in memory.
**Could you provide an example of a system call used by the POSIX API on UNIX, Linux, and macOS systems?** ✔✔ The Read() system call is essential for reading data from files in POSIX-based systems.
**What specific part of a hard disk drive is responsible for storing actual data?** 1 / 2
✔✔ Data is stored on the Platters of a hard disk drive.
**How do computers manage to handle programmed I/O (PIO) without overburdening the
CPU?**
✔✔ They use a Direct-Memory-Access (DMA) controller to handle PIO tasks independently from the CPU.
**What primary function does the file system interface serve within an operating system?** ✔✔ The file system interface facilitates accessing and utilizing files within the system.
**There are various components of a motherboard.**
**Which motherboard component supports slower onboard peripherals?** ✔✔ The Southbridge chipset supports slower onboard peripherals.
**Which chipset provides circuitry support for slower onboard peripherals?** ✔✔ The Southbridge chipset is dedicated to providing support for slower onboard peripherals.
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