World's first computer

Compaq - March 1983 released its first computer and the first 100% IBM compatible computer the "Compaq Portable."
Dell - In 1985 introduced its first computer, the "Turbo PC."
Hewlett Packard - In 1966,released its first general computer, the "HP-2115."
NEC - In 1958,builds its first computer the "NEAC 1101."
Toshiba - In 1954 introduces its first computer, the "TAC" digital computer.