/ WGU D386 ACTUAL EXAM/ WGU D386 HARDWARE AND OPERATING
SYSTEM ACTUAL OBJECTIVE ASSESSMENT EXAM 2026/2027 COMPLETE
ACCURATE EXAM REAL QUESTIONS AND CORRECT VERIFIED ANSWERS
(A NEW UPDATED VERSION)
operating system
system software that acts as a "go-between", allowing computer hardware
and other software to communicate with each other
What is the purpose of a computer operating system?
It functions as a resource manager.
Which kind of software are Mac OS X and Windows 10 programs?
Operating system (OS)
Which operating system allows for its source code to be modified and
redistributed?
,Android is an open-source mobile operating system; therefore, source
code is available, and anyone can modify and redistribute it.
Cloud-based operating systems
primarily manages the operation of one or more virtual machines within a
virtualized environment.
What is a feature of cloud-based operating systems?
They are primarily stateless.
System calls
unique set of services provided by operating systems for use by
applications and have to be accounted for by different operating systems.
Application Programming Interface (API)
A set of software routines that allows one software system to work with
another.
,Why do applications designed to work on one operating system not work
on a different operating system?
Unique system calls
single‐user systems
multitasking systems, found in laptops and workstations
mobile device operating systems
provides single-user and multitasking at a scaled-down level due to power
and memory limitations
Basic resources OS organizes before users can give a computer
instructions:
1. Processor
2. Storage
3. Devices
4. Input/Output
5.Memory
, Mainframe Systems
large, fast, and powerful, used for high transaction processing and
complex computations; used by corporations and government agencies
network server systems
designed and named for a specific purpose such as database servers,
web servers, and print servers
real‐time systems
designed to direct CPU access immediately when needed or required
Embedded control systems
specialized operating systems designed to control a single piece of
equipment or machinery
distributed systems