atâ¢eâ¢lecâ¢taâ¢sis. 1. incomplete expansion of the lungs at birth, as from lack of breathing force. 2. collapse of the lungs, as from bronchial obstruction. atel(á¸s) incomplete (a-a- 6 + -telÄs, adj. derivative of telos tÃ©los, end) + completion ektasis]. Ã©ktasis extension
Serial Port. Even though the communication in PS/2 and USB is serial, technically, the term Serial Port is used to refer the interface that is compliant to RS-232 standard. There are two types of serial ports that are commonly found on a computer: DB-25 and DE-9.
There are a few other things to be aware of. While PCs can have two kinds of USB port â standard downstream or charging downstream â OEMs havenât always labeled them as such. As a result, you might have a device that charges from one port on your laptop, but not from the other.