# data[].attributes.body
Computers are not intelligent; they are tools that follow instrctions perfectly and quickly. They follow intructions from the user and from the computer programmer.

# data[].attributes.body
Hardware is the part of the computer that we can touch.

# data[].attributes.body
CPU, the memory, the grasphics card and the peripherals

# data[].attributes.body
The cpu (central processing unit) is a big, green, plastic board with a lot of chips and many other electronic components mounted on it.

# data[].attributes.body
Memory stores information

# data[].attributes.body
The graphics card loosk similar to the RAM.

It is also green plastic card with chips.

It defines the format of the graphics and helps the processor to process the graphics faster.

We need a powerful graphics cards to play video games, to watch movies and for graphic design

# data[].attributes.attachment_caption
Peripherals are elements of comunication between the computer and the otside world (including ourselves)

# data[].attributes.body
ENTRY PERIPHERALS :

entry peripherals give information to the computer: keyboard, mouse, microphone, thermostat...

EXIT PERIPHERALS :

the computer uses the exit peripherals to give information to us or to an actuator: sreen, speaker, printer, light bulb, motor...

A peripheral can be both entry and exit; an exaple is the router to connect to the internet.

The router receives information from the internet and sends information to the internet

# data[].attributes.body
Sotware is the part of the computer that we can´t touch.

It is the logic that the computer follows.

# data[].attributes.attachment_caption
There is one OS per computer; not more. not less

# data[].attributes.body
The OS defines the internal logic for the fuctioning of the computer.

# data[].attributes.attachment_caption
Sometimes we call them "programs", but any piece of software is a progra, including the operating system.

# data[].attributes.body
Applications are programs that we use to do things on the computer; they are our tools.