software & hardware
- computer languaje and function
8 bits = 1 byte
binary system (0,1)
ASCII
a code to every letter
computer functions
hardware: physical components of the computer
software is the data
computers can do a lot of things
process information, input information, store information or output information.
- computer elements
microprocessor
chips
64bits
RAM
units of storage
RAM, computers main memory
Cache memory, stores data microprocessor uses often
ROM BIOS, read memory
storage devices to permantely save something
Motherboard and connecting devices
inside the computer is a thing called motherboard
is like a minature city. it has:
slots: use to expand or add new components
the IDE or ATA and SATA connectors
the chipset is a number of integrated circuits designed to perform
related function
various input / output ports
Connecting external devices
physicaly connect devices to the computer in different ways
soundcard
hard disk
USB port
need a driver
that allows the device to communicate
with the operating system
- software and operating systems
operating systems
application system
word proccesor
spreadsheets
presentation
database management tools
drawing programs
programming languages
the operating system
Different computer can have different types of software, but they all need an operating system
driver
asistente para agregar hardware en Windows.
informe sobre nuevos dispositivos (hermes) en linux
- Windows operating system
functions
manages the microprocessor
manages the memory and storage system
provides an interface on working enviroment
allows communication between application peripheral devices
installing and unistalling programs
we can install programs using an installation programs
hard disk maintenance
cleaning the hard disk
defragmenting the hard disk
detecting and repairing errors
saving power
system updates
- linux operating system
installing and unistallingc programs
it uses 2 package managers
1 añadir y quitar
2 synaptic package management program
how to keep your system up to date
open the gestor de actualizaciones
click on comprobar
- computer networks
is a set of computers connected to each other
local area networks / LAN's
metropolitan area networks / set of LAN's
wide area networks
elements in a network
every computer needs an adaptor or network card
the hub distributes all the info. through the networks
can be replace by a switch
transmission medium, a cabble to transmit everything
wireless networks
also known as WLANs
use electromagnetic waves to transmit data
all computers need an wireless network card
WAP is used to collect to transmit data
shared internet access
using internet connection sharing
using a router
- sharing resources in windows
sharing a printer
inicio - impresoras - compartir - compartir esta impresora
make the printer the default printer
click to edit
sharing files and folders
we can let networks users see our files on other computers
sharing folders
click on the folder and click compartir y seguridad then to compartir esta carpeta en la red
accesing a shared folder
inicio - mis sitios en red - ver equipos de grupo de trabajo - double click and youre in
- sharing resources in linux
sharing a computer
user account - sistema - administracion - usuarios y grupos
sharing a printer
sistema - administracion - impresoras
conf. impresora - nuevo
sharing folders
lugares - red
crea compartición y añade permisos