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10.2 ipeka Puri Ivander Christo - Coggle Diagram
10.2 ipeka Puri Ivander Christo
Computer System
Main Components
Hardware
Input device
Keyboard, Mouse, Scanner, Microphone
Output Device
Monitor, Printer, Speaker, Projector
Storage Device
Primary Storage
RAM, ROM
Secondary Storage
HDD, SSD, Flash Drive
Input & Output Device
CPU (Central Processing Unit)
ALU: Performs arithmetic & logical operations
CU: Controls instruction execution
Registers: Very fast temporary storage
Brainware
Humans who operate the computer.
Software
System Software
Operating System (Windows, macOS, Linux)
Device Drivers
Utility Programs (Antivirus, Disk Cleanup)
Application Software
Word processors
Web browsers
Games
Definition
A computer system is a combination of hardware, software, and users that work together to process data into useful information.
Data Process
Input → Process → Output → Storage → Feedback
Computer Network
Network Types Based on Range
LAN
Local Area Network
MAN
Metropolitan Area Network
WAN
Wide Area Network
PAN
Personal Area Network
CAN
Campus Area Network
SAN
Storage Area Network
Definition
A group of computers connected
to each other to exchange data
and information.
Components
Hardware
Cables, switches,
routers, modems.
Software
Network protocols,
operating systems.
User
A person who accesses the
network.
Benefits
Sharing data and information.
Sharing hardware (printers,
scanners).
Faster communication.
Time and cost efficiency.
Network Types
Cable
Wired Connection (LAN,
Backbone, RJ45, Switch)
Wireless
Wireless Connection (WiFi,
Bluetooth, Satellite, Cellphone, IR)
Internet
Definition
The world's largest computer network connecting millions of devices.
Benefits
Source of information and knowledge.
Communication media (messages, video calls).
Entertainment (music, movies, games).
Support online learning.
Internet services
Web
site page based information.
Email
electronic mail.
Cloud Storage
Online Storage.
Social Media
interaction between users.
Impact
Negative
Spread of Hoaxes
Gadget Addiction
Data Misuse
Positive
Quick Information
Broaden Horizons
Make Work Easier