DC 15 ï¼ D.C. Code Â§ 42-1904.02(b) Purchaser may cancel 15 days after the date of execution of. the contract for the disposition, or within 15 days after. delivery of the current POS, whichever is later.
We could argue that the first computer was the abacus or its descendant, the slide rule, invented by William Oughtred in 1622. But the first computer resembling today's modern machines was the Analytical Engine, a device conceived and designed by British mathematician Charles Babbage between 1833 and 1871.
Thursday, July 04, 2013, 06:57 am PT (09:57 am ET) Though the mouse didn't become the standard way to control a desktop computer until Apple released the Macintosh in 1984, it was first invented 20 years earlier by a visionary World War II veteran named Douglas C. Engelbart, who passed away this week at the age of 88.