Exterior of a PC Flashcards
CD Driver
The ability to read and write information to the system using an optical device
Power Button
A physical button, that when pushed, sends an electrical signal from a
cable directly to the motherboard that tells the computer to turn on
Audio Jack
Used to connect headphones and microphones to the computer using a 1/8th inch Mini-Jack
SuperSpeed USB Connectors
Used to connect other peripherals, like a mouse, a keyboard, a webcam, a printer, or other devices to a computer
Cooling Fan
Blows hot air out of the CPU, the motherboard, and the case which
expels the extra heat out of the system to keep the component insides cool
HDMI Connector
Used to connect a monitor, TV, or another device for a video output
display
RJ 45 Connector
Provides net access to local area networks over a wired connection
SPDIF Connector
An optical connector that allows high quality audio to a surround sound system
USB 2.0 speeds are good for a microphone, a mouse, or a keyboard
Kensington Lock
Allows the ability to place a metal cable from the desk to the computer tower to ensure the computer tower is not stolen
DB 25 Connector
A D-shaped sub-miniature pin that goes into the back of a computer and has two thumb screws on the side
Serial Cable
A cable that sends data in ones and zeros in a straight line, but it can only send one bit at a time, which is measured at the speed of cables in bits per second
DB9 Connector
A slow-speed connection for much older mice keyboards and other
external modems
A USB 1 and a USB 2 run at a much slower speed and should be split
across a hub
A USB 1.0 has the slowest speed out of a USB with a maximum speed of 1.5 megabits per second
USB 1.1
Known as full speed and runs at 12 megabits per second
USB 2.0
Known as high speed and runs at 480 megabits per second
USB 3.0
Known as super speed and is at least 5 gigabits per second
