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10.1 IPEKA Puri Infographics <Tia>, A complete set of hardware,…
10.1 IPEKA Puri Infographics <Tia>
Computer system
Hardware
Storage Devices
(hard drive, SSD, flash drive)
Output Devices
(monitor, printer, speaker)
CPU
(control unit + arithmetic logic unit)
Input Devices
(keyboard, mouse, scanner)
Memory
(RAM, ROM, cache)
Software
System Software
(Operating System, Utility programs)
Application Software
(Word processor, games, browsers)
Data and Information
Data
raw facts and figures
Information
processed, meaningful data
Processes
Input → Processing → Output → Storage
(IPO Cycle)
Users
End Users
IT Professionals
(technicians, programmers, analysts)
Computer Network
Types
LAN (Local Area Network)
WAN (Wide Area Network)
MAN (Metropolitan Area Network)
PAN (Personal Area Network)
Network Devices
Router, Switch, Hub, Modem, Access Point
Network Topologies
Star, Bus, Ring, Mesh
Communication Media
Wired (Ethernet cable, fiber optic)
Wireless (Wi-Fi, Bluetooth)
Protocols
TCP/IP, HTTP, FTP, DNS
Security
Firewall, Encryption, Antivirus
Passwords and authentication
ICT
Components
Computers, Internet, Mobile Devices
Applications
Education (e-learning), Business (e-commerce), Health (telemedicine)
Benefits
Faster communication, global access to info
Risks
Cybercrime, Privacy issues, Digital divide
Computanional Thinking
Decomposition
breaking down a big problem
Algorithm Design
step-by-step solution
Abstraction
Focusing on what’s important
Pattern Recognition
finding similarities
A complete set of hardware, software, and data working together to perform computing tasks
A group of interconnected computers that share resources and information
A problem-solving process used in computer science and everyday tasks.
The use of technology for managing and communicating information.