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Hardware and operating systems (Computer networks (Elements (Hub, Switch,…
Hardware and operating systems
Computers
Language and function
Language
Binary system
ASCII
Functions
Output using peripheral devices
Storing
Input using peripheral devices
Processing
Elements
Memory and units of storage
Cache memory
ROM BIOS
RAM
Storage devices
Optical discs
Solid-state memory (flash)
Magnetic disks
Microprocessor
Motherboard and connecting devices
Connecting external divices
Motherboard
Software and operating systems
Software
Operating system
Functions
Manages the memory and storage systems
Provides an interface of working environment
Manages the microprocessor
Allows communication between applications and peripheral devices
Most used
Linux
Installing and uninstalling programs
How to keep your system up to date
Windows
Saving power
Installing and uninstalling programs
System updates
Hard disk maintenance
Defragmenting the hard disk
Detecting and repairing errors
Cleaning the hard disk
Mac OS
Applications
Presentations
Database management tools
Spreadsheets
Drawing programs
Word processors
Programming languages
Computer networks
Elements
Hub
Switch
Adaptor or network card
Transmission medium
Types
Metropolitan Area Network (MAN)
Wide Area Network
Local Area Network (LAN)
Wireless Network (WLAN)
It uses electromagnetic waves
A wireless network card is needed
Wireless acess points
Shared Internet acess
Router
Network storage systems
Internet Connection Sharing (ICS)
Print servers
Sharing resources
Linux
Sharing folders
Sharing a printer
Sharing a computer
Windows
Sharing files and folders
Sharing a folder
Accesing a shared folder
Sharing a printer
