797ComputerMedium
When was the first IBM microcomputer called IBM with 16-bit microprocessor introduced?
A1984
B1981
C1979
D1982
Correct answer
B. 1981
Explanation
IBM entered the personal computer market in 1981, announcing the IBM PC, which ran on the Intel 16-bit 8088 microprocessor. Its operating system was PC-DOS, which was equivalent to Microsoft’s MS-DOS. Apple Computer released the Lisa in January 1983 and the Macintosh in January 1984.