Professional certifications for mortgage underwriters often increase salaries by 5 percent to 10 percent. With an underwriting certificate, mortgage underwriters can earn $40,000 to $61,000 per year. The National Association of Mortgage Underwriters offers two certifications.
Keeping a laptop plugged in for an extended amount of time or when you're not charging the computer can damage the battery. The CEO of Cadex Electronics, Isidor Buchmann, recommends charging the battery to 80 percent capacity and then unplugging it.
NEXT PAGENEXT. Most laptops today use lithium Ion (Li-ion) batteries. Overcharging Li-ion batteries is not a problem and does not affect the battery life span. These batteries can be charged 300 to 500 times, and they have an internal circuit to stop the charging process at full charge.