Components
Uses
Ports
Read or write
Expansion Cards
100
Hard drive
100
What is a hard drive used for?
To store programs and files on the computer.
100
Ethernet port. Used to connect to a network.
100
CD-ROM
Reading only.
100
USB card. Used to extend USB connections on the computer.
200
Ports
200
What are used ports for?
To communicate the microprocessor with the peripherals devices.
200
USB type A port. Allows connection to a wide variety of devices such as printers, mice, cameras, USB divers, etc.
200
DVD-R
One-time writing.
200
Network card. Used to connect the computer to a network.
300
Microprocessor
300
What is RAM memory used for?
To temporarily store information and data with which the microprocessor works.
300
Audio ports. Used to connect microphones, headphones and recording devices.
300
ROM Memory
Reading only.
300
Sound card. It transforms the analog sound signal into digital and vice versa.
400
RAM Memory
400
What is ROM memory used for?
To keep programs required for booting and to detect essential devices.
400
PS/2 port. Used to connect the mouse and keyboard.
400
RAM Memory
Multiple writing.
400
Video card. It is used to improve the graphic and video signal that arrives to the monitor.
500
ROM Memory
500
What two functions does the microprocessor have?
Perform logical and mathematical calculations, and provide instructions to the rest of the components through signals and data.
500
VGA port. Used to connect the screen.
500
BD-RE
Multiple writing.
500
Wifi card. It is used to connect the computer to a network wirelessly.