In symbolic logic, it is used to represent or.. = The equals sign. This is one of several symbols that can be used to mean equals or equivalence. Some fields of math make a distinction between equal and equivalent, and use different symbols for each.
Henry Edward Roberts, designer of the Altair 8800 Computer, deserves credit as the inventor of the personal computer, Cerruzi asserts. Although calling Roberts the inventor makes sense only in the context of all that came before him . . . he does deserve the credit.. C'mon IBM, have a heart.
The laptop was designed to make a personal computer easily portable. The first portable computer was the GriD Compass (weighing about 5 kilograms). It was invented by Bill M â¦ oggridge in 1979 and cost several thousand dollars when it was first sold in 1982.It was widely used by the military and aboard the Space Shuttle. The first true laptop was invented by Adam Osborne in 1981.It was called 'Osborne 1' and cost $1,795.t was invented by Bill M â¦ oggridge in 1979 and cost several thousand dollars when it was first sold in 1982. It was widely used by the military and aboard the Space Shuttle. The first true laptop was invented by Adam Osborne in 1981.