– Section 4 (Western Governors University,
2024) – Key Terms and Definitions Summary
Introduction:
This document covers the essential terminology from Section 4
of the WGU D684 Introduction to Computer Science course. It
provides clear definitions of operating-system concepts,
memory management techniques, file-system terms, CPU
scheduling methods, and core process-management
vocabulary.
The material serves as a concise study resource for students
preparing for course assessments and is suitable for quick
revision or exam alignment.
Exam Questions and Answers:
process states -Answer:-the various stages a process goes
through during its lifecycle, such as new, ready, running,
waiting, and terminated
real-time system -Answer:-a computing system that processes
data and responds to inputs in a specific, often very short, time
frame
, response time -Answer:-the time taken from the submission of
a request to the start of the system's response
round-robin -Answer:-a CPU scheduling algorithm where each
process is assigned a fixed time slice in a rotating order
shortest job next (SJN) -Answer:-a CPU scheduling algorithm
that selects the process with the shortest expected execution
time next
single contiguous memory management -Answer:-a memory
management method where all processes are loaded into a
single contiguous block of memory
system software -Answer:-software designed to provide a
platform for other software, including operating systems and
utility programs
thrashing -Answer:-a condition where excessive paging
operations occur leading to reduced system performance