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Hardware and operating systems, image, image, image, image, image, image,…
Hardware and operating systems
Computer language and function
ASCI
We give a code to each of the letters of the alphabet, and to the characters computer use, so that we can store them. These codes consist of the figure 'I' and 'O'.
ASCII (the American Standard code for lnformation Interchange) uses 7 bits tu store up to 128 different characters.
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)'I, using the microproressor and the memory
Computer elements
Microprocessor
I he clock rate acts the pace at whitch processes are cornpleted
Today's microprosesor can process 64 bits at a time
A microprocesor power also depend on its cache memory and the speed at whitch it communicates with the RAM
Memory and units of storage
RAM
Cache memory
ROM BIOS
Storage devices
Magnetic disks
Optical discs
Solid-state memory (flash)
Motherboard and connecting devices
Connecting external device
Using an expansion slot on the motherboard
By special connectors on the motherboard
Using the external ports on the side or back of the computer
Software and operating system
Operating system
Manages the system resources, making the available for use by the user and the apptlications
Applications
Word processors
Spreadsheets
Presentations
Database management tools
Drawing programs
Functions of the operating system
Manages the microprocessor
Manages the memory and storage systems
Provides an interface or working environment
Alows commumcation between applications and peripheral devices
Windows operating system
Installing and uninstalling programs
Hard disk maintenance
Cleaning the hard disk
Defragmenting the hard disk
Detecting and reparing errors
Saving power
System updates
Linux operating system
Installing and uninstalling programs
How to keep your system up to date
1.Open the Gestor the aplicaciones throught Sistema Administración
2.Click on Comprobar. A list of recommended updates will appear. Click on Instalar Actualizaciones to instal the selected updates.
Computer network
Elements in a network
Wireless networks
Shared Internet access
Sharing resources in Windows
Sharing a printer
Make the printer the default printer
Select the network printer through the application you are using
Sharing files and folder
Sharing a folder
Accessing a shared folder
Sharing resources in Linux
Sharing a computer
Sharing a printer
Sharing folders
