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10.2 IPEKA PURI Informatics Gwen, Step-by-step instructions to solve a…
10.2 IPEKA PURI Informatics Gwen
Computer Systems
Hardware
CPU
ALU (Handles arithmetic and logic)
Control Unit (directs operations
Registers ( Fast small memory inside CPU)
Memory
RAM (fast)
ROM (holds firmware)
Storage
HDD (Magnetic, slower)
SSD (Flash, faster)
External storage (USB, external SSD)
Input
Keyboard
Mouse
Scanner
Microphone
Output
Monitor
Printer
Speaker
Software
System Software
Operating Systems (Windows, macOS, Linux)
Device Drivers
Utility programs (Antivirus, disk cleanup)
Application Software
Productivity tools (Word processor, spreadsheets)
Specialized apps (CAD, video editing)
Firmware
BIOS/UEFI
Computer Network
Network Types
LAN (Local Area Network)
WAN (Wide Area Network)
MAN (Metropolitan Area)
PAN (Personal Area Network)
Network Devices
Router (Connects networks, manages traffic)
Switch (Connects devices in LAN)
Access Point (Provides wireless connectivity)
Modem (Converts signals for ISP communication)
Firewall (Security boundary)
Network Protocols
TCP/IP
HTTP/HTTPS
FTP/SFTP
SMTP/IMAP/POP3
DNS
ICT
Core Areas
Communication Technologies (Email, messaging apps, VoIP, video conferencing)
Information Systems (Databases, MIS, ERP, CRM)
Digital Devices (Smartphones, tablets, IoT devices)
Benefits
Education
Business
Government
Healthcare
Digital Literacy
Safe internet use
Digital ethics
Cyber wellnes
Online communication skills
Computational Thinking
Decomposition
Pattern Recognition
Abstraction
Algorithms
Debugging
Step-by-step instructions to solve a problem
Focusing on important information only
Breaking big problems into smaller, manageable parts
Identifying similarities & trends
Finding and fixing errors