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10.2 Ipeka Puri Informatics Benediktus Winston - Coggle Diagram
10.2 Ipeka Puri Informatics Benediktus Winston
Computer System
Software
Application Software
System Software ( OS )
Hardware
Input
Output
Memory
Process
Input & Output
Brainware
Computer Network
Network Types based on range
WAN
Wide Area Network
PAN
Personal Area Network
MAN
Metropolitan Area Network
CAN
Campus Area Network
LAN
Local Area Network
SAN
Storage Area Network
Network Types
Cable
Wired Connection (LAN,
Backbone, RJ45, Switch)
Wireless
Wireless Connection (WiFi,
Bluetooth, Satellite, Cellphone, IR)
Definition
A group of computers connected to each other to exchange data and information.
Components
Software
network protocols, operating systems.
User
a person who accesses the network.
Hardware
cables, switches, routers, modems.
Internet
Benefits of Internet
Support online learning.
Communication media (messages, video calls).
Source of information and knowledge.
Entertainment (music, movies, games).
Internet Services
Email
electronic mail.
Cloud Storage
online storage.
Web
site page based information.
Social media
interaction between users.
Definition
The world's largest computer network connecting millions of devices.
Benefits of Computer Networks
Sharing hardware (printers, scanners).
Faster communication.
Sharing data and information.
Time and cost efficiency.
Network Security
Common Cyber Threat
Malware
Viruses, worms, ransomware, and other malicious software that can damage systems and steal data.
Phising
Deceptive emails or websites designed to trick users into revealing sensitive information.
Denial-of-Service
Attacks that overwhelm network resources, making them unavailable to legitimate users.
Access Control Measures
Authentication
Determining what actions users are allowed to perform based on their roles and permissions.
Authorization
Verifying the identity of users before granting access to network resources.