哈工大2004年春季学期计算机组成技术期末试题答案

www e QQ 2696670126 BABBC CADBB 1 2 3 4 16 20 1M 5 02FFFEH 6 1 10011010 1 01100110 1 01100101 7 8 9 1 1 mov cx 10h mul cx 2 mov ax datasegment mov ds ax 3 4 mov ax di cmp ax si 5 2 RAM RAM 3 RAM 4 DMA I O 5 SP 6 1 2 CPU CPU CPU 3 DMA 1 DMA 2 CPU DMA CPU DMA 3 DMA 4 DMA 5 DMA X 1 1001101 Y 0 1111001 Y 1 0000111 X Y 10 1000110 ZF 0 VF 0 CF 1 X Y 10 1010100 ZF 0 VF 1 CF 1 www e QQ 2696670126 1 AX 3200H 2 AX 0E00H 3 3000 1200 31200H 00H 3000 1201 31201H 20H 4 3000 FFFE 3FFFEH 00H 3000 FFFF 3FFFF 20H 5 31200H 4FH 6 31200H B0 31201H FDH 7 31202H FBH 8 31203H 21H 9 DX AX 0400 0000H 10 AX 8038H 1 data segment array db 3 2 5 6 6 7 len array max db min db ave db data ends code segment CODE assume cs code ds data start mov ax data mov ds ax mov si 1 mov cx len 1 mov al array lop1 cmp al array si jae next1 mov al array si next1 inc si loop lop1 mov max al mov si 1 mov cx len 1 mov al array lop2 cmp al array si jbe next2 mov al array si next2 inc si loop lop2 mov min al mov ax 0 mov cx len www e QQ 2696670126 mov si 0 mov bx 0 lop3 mov bl array si add ax bx inc si loop lop3 mov bl len div bl mov ave al mov ah 4ch int 21h code ends end start A19 A18 A17 A16A15 A14 A13A12A11A10A9A8A7A6 A5 A4 A3 A2A1A0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1