Intellec Intel HEX Intel system development kit Memory bank ISIS (operating system) Altair 8800 PL/M List of early microcomputers Gnat Computers Comp-Sultants Don't-care term Opcode Zero page Nibble HP 64000 Character (computing) Intel 4040 Page (computer memory) Single-board microcontroller Timeline of DOS operating systems Intel 8008 Micral History of personal computers Call stack Units of information Punched tape Intel 8080 Federico Faggin Intel 4004 Dog Day Afternoon List of operating systems CP/M Intel