Page 428 - Computer_Science_F5
P. 428
so the OS uses scheduling algorithms Instructions:
to manage the queue and ensure smooth Step 1: Identify running Chapter Seven: Operating Systems
multitasking. This prevents resource processes:
hogging and prioritises demanding tasks, (a) Open Task Manager (Windows),
like gaming. The OS also facilitates Activity Monitor (macOS), or
FOR ONLINE READING ONLY
communication between processes System Monitor (Linux).
and terminates them when not needed, (b) Identify different processes running
freeing resources and maintaining on the computer.
system stability. (c) Observe how various processes
utilize CPU resources.
Process management in an OS provides (d) Note how much memory each
multitasking, allowing multiple programs process consumes.
to run without slowdowns. It ensures (e) Identify tools that show which
efficiency by managing resources processes are accessing the hard
effectively, preventing any single program drive.
from monopolising them. System stability
is maintained, so if a program crashes, Step 2: Observe resource
only its process is affected, not the entire utilisation:
system. Good process management (a) While monitoring the Task
ensures your computer can run multiple Manager/Activity Monitor/System
programs smoothly, maintaining efficiency Monitor, perform the following
and stability. tasks:
(i) Open a web browser and visit
Activity 7.3: a few websites.
(ii) Open a music player and play
Exploring process management on a song.
a computer (iii) Open a document editing
program and start typing.
Aim:
To explore and understand how process (iv) Open a heavy game or video
management works in an operating editing software.
system by observing and analyzing (b) Observe and note how CPU usage
processes on a computer. and memory consumption change
as you open and use these programs.
Materials: Step 3: Analyse processes:
A computer (Windows OS, macOS, or (a) Identify processes associated with
Linux distribution) or a smartphone/ specific applications you have
tablet opened.
419
Student’s Book Form Five
Computer Science Form 5.indd 419 23/07/2024 12:34
