what is the earliest type of computer
The first laptop or portable computer. The IBM 5100 is the first portable computer, which was released on September 1975. The computer weighed 55 pounds and had a five inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM.In the picture is an ad of the IBM 5100 taken from a November 1975 issue of Scientific America.he first stored program computer. The early British computer known as the EDSAC is considered to be the first stored program electronic computer. The computer performed its first calculation on May 6, 1949 and was the computer that ran the first graphical computer game, nicknamed Baby.