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 hub-usb-20-4-ports

Network card or conector image

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

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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