3. 3
Introduction
An operating system (OS) is system software that manages
computer hardware, software resources, and provides
common services for computer programs. It acts as an
intermediary between users and the computer hardware,
ensuring that software applications can function properly.
5. 5
Functions
F
Resource Management
• CPU Management: Allocates processor
time to various applications and
manages process scheduling.
• Memory Management: Handles the
allocation and deallocation of memory
space for applications and manages
virtual memory.
• Storage Management: Manages data
storage and retrieval on various storage
devices like hard drives and SSDs.
• Device Management: Controls and
coordinates input and output devices like
keyboards, mice, printers, and monitors.
6. 6
Functions
F
User Interface
• Graphical User Interface
(GUI): Provides a visual
interface with icons, windows,
and menus that users can
interact with using a mouse and
keyboard.
• Command-Line Interface (CLI):
Offers a text-based interface
where users interact with the
system through commands.
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Functions
F
Process Management
• Process Scheduling: Prioritizes
and allocates CPU time to
running processes.
• Multitasking: Allows multiple
applications to run
simultaneously by managing
process execution.
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Functions
F
Security and Access Control
• User Authentication:
Ensures only authorized
users can access the
system.
• Permissions
Management: Manages
user permissions for
accessing files, directories,
and other resources.
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Functions
F
Error Detection and Handling
• System Monitoring:
Monitors the system for
errors and takes corrective
actions to ensure stability..
• Error Logging: Records
errors and system events
for troubleshooting and
maintenance.
13. OS
13
Microsoft
Windows
Widely used OS
for personal
computers,
known for its
user-friendly
GUI.
MacOS
Developed by
Apple, used in
Mac computers,
known for its
sleek design and
seamless
integration with
other Apple
products.
Linux
Open-source OS
known for its
flexibility and
robustness,
widely used in
servers,
desktops, and
embedded
systems.
Android
Mobile OS
developed by
Google, widely
used in
smartphones
and tablets.
IOS
Mobile OS
developed by
Apple, used
exclusively in
iPhones and
iPads.
15. Presentation title 15
Requirements
Hardware Requirements
1. Processor (CPU)
• Minimum and recommended
clock speed and architecture (e.g.,
32-bit or 64-bit).
2. Memory (RAM)
• Minimum and recommended
amount of RAM (measured in GB).
3. Storage
• Minimum and recommended
storage space (e.g., HDD or SSD
capacity).
• Availability of an appropriate
partition or free space on the
drive
4. Graphics Card (GPU)
• Minimum and recommended
GPU specifications.
• DirectX version support (for
Windows) or specific GPU
drivers.
5. Display
• Monitor with a compatible
resolution and input (e.g., VGA,
HDMI, DisplayPort).
6. Input Devices
• Keyboard and mouse or other
pointing devices
7. Network
• Network interface card (NIC)
for wired or wireless
connectivity
• Internet connection (for
downloading updates or
additional drivers)
16. Presentation title 16
Requirements
Software Requirements
1. Installation Media
• Bootable USB drive, DVD, or ISO file
containing the OS installation files.
2. Drivers
• Availability of compatible drivers for
hardware components
• Network drivers for internet access
to download additional drivers post-
installation.
3. Firmware
• UEFI or BIOS version compatibility
with the OS.
• Settings configured to boot from
the installation media (e.g., boot
order).
17. Presentation title 17
Requirements
Specific Requirements
1. Windows 10/11
• CPU: 1 GHz or faster, compatible
with 64-bit architecture
• RAM: 2 GB (32-bit) or 4 GB (64-
bit)
• Storage: 16 GB (32-bit) or 20 GB
(64-bit) free space
• GPU: DirectX 9 or later with
WDDM 1.0 driver
• Display: 800x600 resolution
• Other: Secure Boot capable,
TPM version 2.0 (for Windows
11)
2. MacOS
• CPU: Intel processor (varies
by macOS version) or Apple
M1/M2 chip
• RAM: 4 GB or more
• Storage: 35.5 GB of free
space (varies by version).
• Other: Compatibility with
specific Mac models (check
Apple’s official compatibility
list).
3. Linux
• CPU: 2 GHz dual-core
processor or better.
• RAM: 4 GB.
• Storage: 25 GB of free space.
• GPU: VGA capable of
1024x768 screen resolution.
• Other: Internet access for
downloading updates and
additional software.
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Importance
I
Consistency and Quality Control
• Standardization: Ensures that
tasks are performed uniformly
every time, leading to consistent
outcomes and maintaining
quality standards.
• Quality Assurance: Helps in
identifying and rectifying
deviations from the standard
process, ensuring the final
product or service meets the
required quality.
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Importance
I
Efficiency and Productivity
• Streamlined Processes:
Systematic procedures
eliminate unnecessary steps,
reducing time and effort spent
on tasks, thereby increasing
overall efficiency.
• Reduced Errors: Clear,
systematic procedures minimize
the likelihood of mistakes,
reducing the need for rework
and saving time.
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Importance
I
Training and Onboarding
• Simplified Training: New
employees can be trained more
effectively using documented
procedures, reducing the learning
curve and ensuring they perform
tasks correctly from the start.
• Knowledge Transfer: Systematic
procedures facilitate the transfer of
knowledge within the organization,
ensuring critical processes are not
dependent on a single individual.
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Importance
I
Accountability and Transparency
• Clear Responsibilities: Defined
procedures delineate roles and
responsibilities, making it clear
who is accountable for each
part of the process.
• Traceability: Systematic
documentation allows tracking
of actions and decisions,
providing transparency and
enabling audits or reviews when
necessary.
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Importance
I
Scalability and Flexibility
• Scalable Operations: Well-defined
procedures make it easier to scale
operations as the organization
grows, ensuring that increased
workload can be managed without
compromising quality.
• Adaptability: Systematic
procedures can be reviewed and
updated more easily to
incorporate new technologies or
respond to changing business
environments.
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Importance
I
Risk Management and Compliance
• Risk Reduction: Standard
procedures help identify
potential risks and implement
measures to mitigate them,
reducing the likelihood of costly
errors or accidents.
• Regulatory Compliance:
Ensures that all processes
comply with relevant regulations
and standards, reducing the risk
of legal issues and penalties.
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Importance
I
Improved Communication and Coordination
• Clear Communication:
Documented procedures ensure
that everyone in the organization
is on the same page, reducing
misunderstandings and
improving coordination.
• Effective Collaboration:
Facilitates better teamwork as
everyone understands their role
in the process and how it fits into
the overall workflow.
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Importance
I
Continuous Improvement
• Performance Monitoring:
Systematic procedures make it
easier to monitor performance
and identify areas for
improvement.
• Feedback and Iteration:
Enables the collection of
feedback and iterative
refinement of processes,
fostering a culture of
continuous improvement.
33. 33
Processing Question
P 1. Is the activity valuable to your
class/section? YES or NO?
Why?
2. Do you think it is important to
know the different operating system
GUI? YES or NO? Why?
34. 34
Question?
P •How does different OS affect
the work or the job?
•How procedures affects the
outcome of the project?
35. Thank you
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