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Hardware and operating systems (Computers network (Three types…
Hardware and operating systems
Computer language and function
Computer lenguage
Binary system
ASCII
Computer functions
Input of data using peripheral devices
Output of data using peripheral devices
Storing data in the storage devices
Processing data in the central processing unit (CPU), using the microprocessor and the memory.
Computer elements
Memory and units of storage
Cache memory
ROM BIOS
RAM
Storage devices
Motherboard and connecting devices
Microprocessor
The microprocessor is an integrated circuit made up of millions of tiny transistors working together to process the instructions and data received from the memory
Software and operating system
Applications
Presentations: PowerPoint
Database management tools: Access
Spreadsheets: Excel
Drawing programs: Paint
Word processors. Word
Antivirus software, file compressors, game, etc.
Programming Ianguages
These programs can be used to create other programs and applications
The operating system
Is the first thing that appears when you turn on your computer and the last thing you see when you are turning it off
Functions
Provides an interface or working environmental
Communication between applications and peripheral devices
Manages the memory and storage systems
Manages the microprocessor
Windows operating system
Installing and uninstalling programs
The Agregar o quitar programas tool is very useful for adding and
removing programs
Hard disk maintenance
Defragmenting the hard disk
Detecting and repairing errors
Cleaning the hard disk
Saving power
It is especially important to select the right power options for laptops
System updates
Operatmg svstems are constantly being updated
Linux operating system
Installing and uninstalling programs
Linux uses two package managers to help users automatically install applications downloaded from the internet
How to keep your system up to date
Open the Gestor de actualizaciones through Sistema and Administracion.
Click on Comprobar. A list of recommended updates will appear. Click on Instalar actualizaciones to install the selected updates.
Computers network
A computer network is a set of computers connected toeach other so that they can share resources and exchange information.
Elements in a network
A hub or a switch
A transmission medium, normally we use a connector
an adaptor or network card
Three types
metropolitan area network
wide areas networks
LANs
Wireless networks
WLANs use electromagnetic waves to transmit data. Networks with a combination of wired and wireless devices use wireless access points
Shared Internet access
Two ways
Using Internet Connection Sharing
Using a router
Sharing resources in Windows
You can share
Sharing files and folders
Sharing a folder
Accessing a shared folder
Sharing a printer
Sharing resources in Linux
You can share
Sharing a printer
Sharing folders
Sharing a computer
