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4 Computer Data Formats
THE MICROPROCESSOR AND ITS ARCHITECTURE
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16-bit number 16-bit register 80486 microprocessors addressing mode ASCII coded assembler assembly language binary buffer bytes of memory CD 21 INT code segment color computer system contains contents convert coprocessor data segment data segment memory descriptor table disk double word DS:DX DW DW DW ENDP Entry AH error Exit file control block flag bits floating-point number function call global descriptor table hexadecimal hot-key I/O device INT 10H INT 21H interrupt vector jump instruction keyboard load macro memory address memory location addressed memory segment memory system microprocessor MOV MOV offset address opcode operand operation personal computer pointer POP AX prefix PROC procedure protected mode PUSH AX real mode scaled-index segment memory segment memory location segment register Significand stack segment stored subtraction video display WORD PTR zero