Chapter 4: Operating Systems Exam 2026
Questions and Answers
Operating System (OS) - Correct answer-System software that provides an
interface between the user or application program and the computer hardware.
What does the OS do? - Correct answer--Supports the computer's basic functions
-Oversee operation of computer
-Schedule programs for execution
-Coordinate the execution of programs
-Store and retrieve files
What is a kernel? - Correct answer-The main program of the operating system that
manages the other programs in the operating system.
What is the user interface? - Correct answer-a system that allows a computer and a
user to interact and perform useful functions
What is the difference between the user interface and the kernel? - Correct answer-
The kernel is the internal part of an OS and contains software components that
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, perform basic functions required by the computer installation. Whereas the user
interface handles communication with their users.
process table - Correct answer-To keep track of all the processes.. the scheduler
maintains a block of information in the main memory
What are the components of the User Interface - Correct answer--Windows
manager
What are the components of the Kernel? - Correct answer--File manager
-Memory manager
-Device Drives
Scheduler and Dispatcher
How/Why processes are scheduled? - Correct answer-Each time an action is
executed or requested, the scheduler creates a new entry for that process in the
process table.
What information is contained when the process is added in the process table? -
Correct answer--location (memory area) assigned
-priority of the process
-whether the process is ready or waiting
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Questions and Answers
Operating System (OS) - Correct answer-System software that provides an
interface between the user or application program and the computer hardware.
What does the OS do? - Correct answer--Supports the computer's basic functions
-Oversee operation of computer
-Schedule programs for execution
-Coordinate the execution of programs
-Store and retrieve files
What is a kernel? - Correct answer-The main program of the operating system that
manages the other programs in the operating system.
What is the user interface? - Correct answer-a system that allows a computer and a
user to interact and perform useful functions
What is the difference between the user interface and the kernel? - Correct answer-
The kernel is the internal part of an OS and contains software components that
©COPYRIGHT 2025, ALL RIGHTS RESERVE 1
, perform basic functions required by the computer installation. Whereas the user
interface handles communication with their users.
process table - Correct answer-To keep track of all the processes.. the scheduler
maintains a block of information in the main memory
What are the components of the User Interface - Correct answer--Windows
manager
What are the components of the Kernel? - Correct answer--File manager
-Memory manager
-Device Drives
Scheduler and Dispatcher
How/Why processes are scheduled? - Correct answer-Each time an action is
executed or requested, the scheduler creates a new entry for that process in the
process table.
What information is contained when the process is added in the process table? -
Correct answer--location (memory area) assigned
-priority of the process
-whether the process is ready or waiting
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
