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10.3 IPEKA Puri Informatics Ignatius Marco Agustianto - Coggle Diagram
10.3 IPEKA Puri Informatics
Ignatius Marco Agustianto
computer networks
Definition
A system that connects multiple
devices to share data and resources.
Types of Networks
LAN (Local Area Network) Small geographic area (school, office).
WAN (Wide Area Network)
Covers large areas; often uses public networks.
MAN (Metropolitan Area Network)
City-sized network connecting institutions.
PAN (Personal Area Network)
Very short range (Bluetooth, phone tethering).
Network Hardware
Router
switch
NIC (Network Interface Card)
Access Point
computer system
Definition of Computer Systems Combination of hardware, software, data, users, and processes.
Computer Hardware Component
Input Devices: Bring data into the system (keyboard, mouse, scanner).
Output Devices
Present results (monitor, printer, speakers).
-Storage Devices HDD / SSD
Optical / Cloud
-Processing Unit
CPU (Central Processing Unit
GPUHandles graphics and parallel computations.
Memory
RAM Temporary, fast memory for active processes.
ROMStores essential instructions (boot firmware).
Software Components System Software Operating System
(Windows, macOS, Linux)
Device Drivers
Allows OS to communicate with hardware.
Computational Thinking
Decomposition breaking a problem into smaller pieces.
Pattern Recognition finding similarities to simplify tasks.
Abstraction focusing on important info only.
Algorithmic Thinking creating step-by-step solutions.
Evaluation checking efficiency and correctnes
ICT (Information & Communication Technology)
Hardware — devices used in digital communication.
Software — tools and applications.
Networks — Internet, LAN, WAN.
Data Management — databases, storage, security.
Communication Tools — email, messaging, conferencing.
ICT in Society — e-learning, e-commerce, telehealth.