software & hardware

  1. 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.

  1. 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

  1. 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

  1. 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

  1. 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

  1. 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

  1. 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

  1. 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