ssec was the name of the first ibm computer.
ssec was the name of the first ibm computer.
what was the name of the first ibm computer?
ssec
section::::fortran.









































after moving to new york city he trained initially as a radio technician and became interested in mathematics. he graduated from columbia university with a bachelor's degree in 1949 and a master's degree in 1950, both in mathematics, and joined ibm in 1950. during his first three years, he worked on the selective sequence electronic calculator (ssec); his first major project was to write a program to calculate positions of the moon. in 1953 backus developed the language speedcoding, the first high-level language created for an ibm computer, to aid in software development for the ibm 701 computer.
john backus
ibm pc convertible









































the ibm pc convertible is the first laptop computer released by ibm. released on april 3, 1986, the convertible was also the first ibm computer to use the 3½-inch floppy disk format which went on to become the industry standard. like modern laptops, it featured power management and the ability to run from batteries.









































it was the follow-up to the ibm portable and was model number 5140. it was replaced in 1991 by the ibm ps/2 l40 sx, and in japan by the ibm personal system/55note, which was the predecessor to the thinkpad.









































section::::predecessors.
ibm pc convertible