The only way for the Li-ion battery to overcharge is if the charging system malfunctions, and then the battery will heat up while in the charger. If you don't plan to use your laptop for long period of time, you can extend the life of your lithium ion laptop battery by storing it with a 50 percent charge.
DSN stands for defense switched network, which is the primary system of interbase communication for the U.S. Department of Defense. A DSN number is a phone or data communications number that is used within that closed system. Continue Reading.
ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for circuit-switched transmission of data over various media, including ordinary telephone-grade copper wire. Download this free guide.