Software and Hardware
1. Computer language and function
Binary system
ASCII
1.1. Computer functions
Hardware is the physical components of the computer system that we use and those we can touch and move.
Software is the data and the instructions we use manage that data
2. Computer elements
2.1. Microprocessor
2.2. Memory and units of storage
A microprocessor is an integrated circuit made up of millions of tiny transistors working together to process the instructions and data received from the memory
Cache memory
ROM BIOS
RAM
Storage devices
2.3. Motherboard and connecting devices
Connecting external devices
3. Software and operating systems
The operating system
Cnrnputers carry out four different functions.
Storing data in the storage devices
Output of data using peripheral devices
Prcessing data in the central processing unit using the microprocessor and the memory
Input of data using peripheral devices
Optical discs
Magnetic disks
Connect a sound card or a graphics card
Hard disk, DVD drives
USB port
Software types
Aplications
Operating systems
Manages the system resources, making them available for use by the user and the applications.
Spreadsheets
Presentations
Drawing programs
Database management tools
Word processors
Programming languages
These programs can be used to create other programs and applications
Is the first thing that appears when you turn on
your computer and the last thing you see when you're turning it off
4. Windows operating system
Hard disk maintenance
Saving power
Installing and uninstalling programs
Installation wizard
Defragmenting the hard disk.
Detecting and repairing errors
Cleaning the hard disk
System updates
6. Computer networks
7. Sharing resources in Windows
5. Linux operating system
8. Sharing resources in Linux
How to keep your system up to date
Installing and uninstalling programs
Linux uses two package managers to help users automatically install applications downloaded from the internet: Añadir y quitar in the Aplicaciones menu, and Synaptic package management program.
1. Open the Gestor de actualizaciones through Sistema-administración. 2. Click on Comprobar. A list of recommended updates will appear.
A computer networks is a set of computers connected to each other so that they can share resources and exchange information
6.1.Elements in a network
6.3.Shared Internet acess
6.2.Wireless network
Hub 
Network card or conector
Transmission medium
Wireless network card
Router
Internet Connecting Sharing
Sharing files and folders
Sharing a printer
You can print documents from any computer in the networks
Sharing a printer
Sharing folders
Sharing a computer
Linux lets you share a computer whith other users, but still keep your own configuration and personal files
To share a printer installed on another computer inthe network, you need to install it as a network printer on your own computer
To access a shared folder saved on another computer in the local network, go to Lugares- Red