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Information Society and the Computer - Coggle Diagram
Information Society and the Computer
History of Computing
Background
(Colossus, ENIAC)
First computers
(Colossus, ENIAC)
Transistors and integrated circuits
Personal Computers
(Apple II, Altair 8800)
Internet
(ARPANET, global expansion)
Mobile and cloud computing → AI, IoT, Big Data
Globalization of Information
Global communication (social networks, video calls)
ICT Advancement
Access to information (democratization)
Impact on business and economy (e-commerce, outsourcing)
Challenges → digital divide, privacy, security
New Job Sectors
Information Technology (IT)
Software and app development
Data Analysis and Big Data
Digital marketing
Artificial intelligence and automation
Digital Fracture
Unequal access to ICT
Digital skills gap
Socioeconomic inequalities
Generation gap
Impact on social inclusion
Globalization of knowledge
Mass access to information
Sharing and disseminating knowledge (platforms, wikis)
International collaboration
Technical and scientific transfer
Impact on education (e-learning, MOOCs)
Hardware
Basic components (CPU, RAM, storage)
Input and output devices
Peripherals
Computer architecture
Update and maintenance
CPU (Central Processing Unit)
Functions: search, decode, execute
Components → UC, ALU, Registry
Speed (MHz, GHz)
Architecture (x86, ARM)
Multicore y multithreading
Buses
Data bus
Address bus
Control bus
Ports
USB
HDMI
Ethernet
Audio/Video
Expansion and compatibility
Memory
RAM (main)
Cache (L1, L2, L3)
Secondary (HDD, SSD, USB)
ROM (firmware. BIOS)
Virtual memory
Peripherals
Input (keyboard, mouse, scanner, microphone)
Output (monitor, printer, speakers)
Storage (HDD, SSD, USB, optical)
Mixed (touchscreen, webcam)
Network devices
Software
Free → access to code, modification, distribution
Private → restricted access, proprietary licenses