viernes, 22 de enero de 2010

classwork 2

-they has knew a famous person
-they have spoken in English
-
raú has know to Georgi Moretti
-Bob has explained the address
-they has seeked theater play
-MR. Georgi was a singer
-she has eaten to much



Computers


Importance of computers

Main objective:

It is the ease with which a user to perform a fast and easy search of information, is also a very easy access of communication between one or more users in the world since the Internet connection is one of the most important components.

Description:

The computer is described in words such as ease, speed, interaction and security which gives the user the confidence to continue using it as a tool to facilitate day to day doing things.



Information


parts of a computer:














The parts of the computer (physical appearance, hardware), also called input / output (I / S), are all those electronic devices we see illustrated in our computer.

Partes de la Computadora

CPU (Central Processing Unit)


The CPU is one of the key parts of the Hardware. Contains the circuitry, processors and memories running data transfers.
The central processing unit (CPU), a collection of digital electronic circuits responsible for receiving information from the input / output, process and send it back to the input / output, making it the most important part of computer

CPU

Screen or Monitor

It is an output device and its luminescent surface is reproduced in the images. The monitor is what keeps the user what the computer is doing at every moment.

The characteristics of a monitor depend on the quality of the image and that the number of pixels it has and the number of colors it can display.

A VGA monitor shows only 16 colors and a resolution of 640 x 480 (low resolution). An SVGA monitor reaches 16 million colors with a resolution of 1280 x 1024 (high resolution).

Pantalla o Monitor

Mouse

It is a flat device with a displacement over a smooth horizontal surface is faithfully reflected in the movement of the cursor on the screen (or monitor) display.

There are mouse that works with a cable connected to the computer and operating wireless and transmit infrared commands (also called a wireless mouse).

Ratón o Mouse

Floppy Drive

Floppy drives (or floppy disk drivers) are input and output devices that allow loading and unloading massive information into the computer and its storage and transport.

Operate recording and reading information on a floppy disk's surface, altering its magnetic characteristics, making them a magnetic medium.

Unidad de Disquete

CD-Rom

It is the unit responsible for reading an optical disc that is read by a laser beam, rechargeable not used for storing information on computer systems.

The acronym of the phrase are CD-Rom Compact Disc Read-Only Memory.

Unidad de CD-Rom

CD Burner

This unit not only reads cd's but allows them to record any kind of information, using a program specially designed for this function (Nero, Roxio CD Creator, etc.)

Quemador o Grabadora de CD

Keyboard


The keyboard allows communication with the computer and enter information. It is essential to use any application.The most commonly used keyboard has 102 keys, grouped into four blocks: alphanumeric keyboard, keypad, function keys and control keys.

Used as a typewriter, pressing the key you want to join, some keys have a default function that is always the same, but there are others whose function changes depending on the program you're using.

Teclado de una Computadora

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