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10.2 IPEKA Puri Informatics Oliver Irianto - Coggle Diagram
10.2 IPEKA Puri Informatics Oliver Irianto
Computer System
Components
Software
Operating System
Aplication Programs
System Softwares
Hardware
Units
Memory Unit
Hard Disk
Internal Hard Disk
External Hard Disk
Read-only Memory (ROM)
Random Access Memory (RAM)
Output Unit
Speaker
LED
Screen
Monitor
Input Unit
Controller
Microphone
Keyboard
Mouse
CPU
Motherboard
Brainware
The User
Characteristics
Data storage
Accuracy of operationds
Repetitive task ability
Processing Power
Fast logical decisions
Features
It is a digital electronic machine
Executes only Machine Instructions
Converts data into information
Understand only Binary (0 or 1)
Computer is progammable
Computer Network
Definition
The arrangement of computers that are interconnected to exchange data and information
Types
Based on Range
Campus Area Network (CAN)
University/Campus Scale
Wide Area Network (WAN)
example
Internet
Benefits
Entertaintment
Video Games
Movies
Music
Source of information and knowledge.
Support Online Class
Communication Media
Video Calls
Messaging
Internet Services
Web
Social Media
Cloud Storage
Email
Impact
Positive
Broaden Horizons
Quick Information
Make work easier
Negative
Gadget addiction
Data misuse
spread of hoaxes
Internet Protocols (IP)
SMTP
HTTPS
FTP
IP Address
Largest Computer Network
Storage Area Network (SAN)
dedicated, high speed storage system
example
Servers
Metropolitan Area Network (MAN)
City Scale
Being used for city wide area network
Local Area Network (LAN)
Small Scale Network
Usually being used at school, houses, and other small scale places
Personal Area Network (PAN)
Ranges around 10 m
Bluetooth
Based on how it is connected
Wired Connection
Examples
Cable LAN
Switch
Rj45
Definition
Computer network that uses physical things, such as cables to connect
Wireless Connection
Definition
Computer network that uses wave signals to connect
Examples
WiFi
IR
Bluetooth
Benefits
Faster communication
Time and cost efficiency
Sharing hardware
Sharing data and information
Components
Software
Network Protocols
Network Protocols
User
The person who access the network
Hardware
Cables, routers, modems, switches
Router, modem, cables, switches
ICT
Definition
Technology is used to receive, process, send, and store information digitally.
Functions
Communication
Processing
Data Management
Transmission
Impact
Positive
Easier access to a wider variety of information
Easier collaboration
Making communication faster and not limited by distance
Negative
Health Problems
Addiction
Social Problems
Computational Thinking
Problem Identification
To solve something, we need to know the problem first.
Decomposition
Break the problem into smaller, manageable problems
Pattern Recognition
Identify patterns of the smaller problems, so that you cann solve it efficiently and/or based on previous experiences.
Abstraction
Only focus on the important details, ignore irrelevant details.