External Devices

A type of mouse that replaces the ball with a red Light Emitting Diode

(LED). The light from the LED is sent downward to the desk surface

and reflects back up onto an optical sensor.

An input

devices that allows you to use pressure created by one or more fingers to

manipulate the movement of the cursor on the screen, much like a

mouse.

An input device that allows you to input your data like creating a worksheet, letter, emails ,etc.

Audio from the sound card or integrated sound system is transmitted

via 3.5mm jacks over this line . What color will you select to insert the microphone input?

Data that is to be transmitted over the serial line is first framed. Commonly, a one byte (8 bit) piece of data will be sent at a time. What bit that will notify the receiver that the message has started?

A bit that notify the receiver that the message has ended.

A serial bus interface that

allowed devices to connect and disconnect from the computer in real

time.

It is the most prevalent or commonly used form of connection to external devices that specifies a host controller, typically residing within the computer, and allows multiple connected devices.

When was the higher speed standard, known as USB

2.0 released?

A DIN connector known as the AT connector, was used in early PCs but is not

commonly used anymore. It is electrically equivalent to the PS/2 style connection (though physically different).