三級(jí)pc技術(shù)上機(jī)題庫(kù)答案

1、【精品文檔】如有侵權(quán)，請(qǐng)聯(lián)系網(wǎng)站刪除，僅供學(xué)習(xí)與交流三級(jí)pc技術(shù)上機(jī)題庫(kù)答案.精品文檔.1、40個(gè)字節(jié)，有符號(hào)，數(shù)組，分成正、負(fù)兩數(shù)組，并求個(gè)數(shù) (1)MOV (2)80H (3)JMP MAIN3 (4)LOOP (5)SI (6)MAIN4 (7)INC BX2、10個(gè)無(wú)符號(hào)8位格雷碼，轉(zhuǎn)成二進(jìn)制 (1)PUSH CX (2)RCL (3)BH (4)JNE SET ONE (5)BH (6)AND BH，01H (7)POP CX3、16位無(wú)符號(hào)數(shù)，排成升序 (1)2 (2)ADD DI，2 (3)NEXT0 (4)BX (5)SW (6)AX (7)NEXT (8)DEC BX (9)

2、JNZ4、(x1+x2+x3+x4+x5)/5代替原數(shù) (1)5 (2)CX (3)4 (4)MOV DX，0 (5)INC DI (6)INC SI5、21個(gè)8位二有符號(hào)數(shù)，相鄰之間差值不超過(guò)-8至7。進(jìn)行壓縮 (1)AL，SI-2 (2)XOR BX，0FFH (3)Z (4)SHL (5)AND AL，0FH (6)DEC DX6、將09的ASCII碼轉(zhuǎn)成二進(jìn)制，并將SP轉(zhuǎn)成$ (1)MOV SI，0 (2)MOV CX，N (3)MOV AL，SOURCESI (4)30H (5)INC DI (6)INC SI (7)CHAN7、對(duì)#和*之間的7個(gè)ASC碼進(jìn)行異或操作. (1)JNZ

3、 (2)'*' (3)SEARCH1 (4)JNZ (5)13 (6)DEC BX8、10個(gè)16位二進(jìn)制,統(tǒng)計(jì)每個(gè)數(shù)中0的個(gè)數(shù) (1)16 (2)SHL AX，1 (3)JB (4)COUNT (5)BX，2 (6)DI，DH9、L做邏輯尺 (1)LEA DI，RESULT (2)1 (3)TEST (4)JP (5)SHL DX，110、求10個(gè)有符號(hào)字節(jié)的絕對(duì)值之和(字型),并到最大的數(shù)和地址 (1)NEG AL (2)ADC BH (3)ADC BH (4)NEXT (5)0FFH11、對(duì)壓縮BCD進(jìn)行編碼,是！則加BEH,CCH. (1)AND AH，0FH (2)PU

4、SH CX (3)SHR AL，CL (4)AL，9 (5)BYTE PTRDI，0BEH (6)LOOP CLP112、自動(dòng)抄表,Y=X*70 X<=5. (1)MOV AL，SI (2)A (3)MUL BL (4)A (5)MUL BH (6)MUL DL (7)INC SI (8)ADD SI，213、Y=X*70 X<=10. (1)MOV AL，SI (2)A (3)SUB AL，10 (4)ADD AX，10*70 (5)MOV DI，AX (6)ADD DI，214、字符出現(xiàn)N次就用ESC,N,原字符三個(gè)字節(jié)來(lái)代替,壓縮 (1)MOV AL，DI (2)AL,DI

5、(3)A (4)L0 (5)ADD SI，315、對(duì)上題進(jìn)行解壓 (1)E (2)STOSB (3)CLD (4)MOV CX，SI (5)MOV AL，SI+1 (6)REP STOSB (7)ADD SI，2 16、記錄峰值 (1)XOR DX，AX (2)AND DH，80H (3)Z (4)MOV AL，SI-2 (5)MOV DX，AX17、取出負(fù)數(shù)并計(jì)算絕對(duì)值之和 (1)CMP AL，0 (2)NEXT (3)NEG AL (4)ADC DH，0 (5)REP STOSB18、ASCII字符和漢字內(nèi)碼 (1)TEST (2)INC DI (3)REST11 (4)LASC (5)I

6、NC DL (6)DI (7)DH19、故障報(bào)警,找0,有0則統(tǒng)計(jì)個(gè)數(shù) (1)MOV AL,SI (2)8 (3)SHL (4)LP3 (5)LOOP (6)DH (7)INC SI (8)DEC DL (9)LP120、竊水 (1)4 (2)INC DI (3)LP0 (4)0E1H (5)INC DI (6)JNZ21、對(duì)非空格數(shù)據(jù)最高位清0 (1)AGN11 (2)# (3)INC DI (4)JMP AGN1 (5)20H (6)DI22、ASCII轉(zhuǎn)成偶校驗(yàn)碼,累加碼 (1)PUSH (2)ROL (3)ADC (4)BL, AL (5)POP (6)DX (7)MOV DI,AL

7、23、紅外通訊數(shù)據(jù),BCD碼AACC,DDEE (1)N (2)SI (3)JNZ NEXTD (4)CMP AL,DH (5)ADD BL,DL (6)LOOP MCLP124、80個(gè)無(wú)符號(hào)字節(jié),每8個(gè)求平均值 (1)DI,OFFSET RESULT (2)8 (3)AL (4)LOOP MAGN2 (5)MOV CL,8 (6)DIV CL (7)MOV DI,AL (8)INC DI (9)JNZ25、在第4和5之間插00H,8和9之間插55H. (1)MOV SI,0 (2)MOV AH,SOURCESI (3)INC SI (4)AH (5)EXIT (6)POP SI (7)CHA

8、N26、在第4和5之間插00FFH. (1)MOV DI,0 (2)MOV RESULTDI,AX (3)INC SI (4)INC DI (5)AX (6)DEC BX (7)4 (8)INC DI27、在09的二進(jìn)制轉(zhuǎn)成ASCII,在1,5.插"$" (1)MOV SI,0 (2)5 (3)INC DI (4)ADD AL,30H (5)INC SI (6)INSER128、ASCII轉(zhuǎn)成BCD.奇數(shù) (1)AL (2)AL (3)4 (4)CL (5)OR29、ASCII轉(zhuǎn)成個(gè)位二進(jìn)制,最后存和 (1)0 (2)SUB (3)INC DI (4)DAA (5)DEC

9、CX (6)MOV DI,DL30、小寫轉(zhuǎn)成大寫,并統(tǒng)計(jì)'z'的個(gè)數(shù) (1)JB (2)NINC (3)20H (4)JUMP (5)INC DI (6)MOV DI,DL31、16位二進(jìn)制,對(duì)高位和低位進(jìn)行邏輯與及或運(yùn)算 (1)SOURCEBX (2)DL (3)OR (4)AL (5)MOV DI,AX (6)DEC CX32、16進(jìn)制數(shù)轉(zhuǎn)成ASCCII,先高4位. LEA SI,SOURCE LEA DI,RESULT MOV CX,N LOOP2: MOV BL,2 MOV AL,SI MOV AH,AL PUSH CX MOV CL,4 SHR AL,CL POP C

10、X EXCH: CMP AL,9 JNA CHAR ADD AL,07H CHAR: ADD AL,30H MOV DI,AL INC DI DEC BL JZ LOOP1 AND AH,OFH MOV AL,AH JMP EXCH LOOP1: INC SI LOOP LOOP233、在ASCII串的每個(gè)字符在最高位加上奇校驗(yàn)位 LEA SI,SOURCE LEA DI,RESULT LOOP2: MOV AL,SI CMP AL,00H JE EXIT ADD AL,0 JNP LOOP1 OR AL,80H LOOP1: MOV DI,AL INC DI INC SI JMP LOOP2

11、 EXIT: MOV DI,AL34、 大寫全變成小寫 LEA SI,SOURCE LEA DI,RESULT LOOP1: MOV AL,SI CMP AL,00H JE EXIT CMP AL,41H JB KEEP CMP AL,5AH JNBE KEEP ADD AL,20H KEEP: MOV DI,AL INC DI INC SI JMP LOOP1 EXIT: MOV DI,AL35、 去掉為負(fù)的奇數(shù) LEA SI,SOURCE LEA DI,RESULT MOV CX,LEN LOOP1：MOV AL,SI MOV AH,AL SHR AH,1 JNC KEEP CMP AL,

12、0 JNL KEEP JMP EXIT KEEP： MOV DI,AL INC DI EXIT： INC SI LOOP LOOP136、串有連續(xù)的字符僅用一個(gè)字符代替 LEA SI,SOURCE LEA DI,RESULT LOOP1：MOV AL,SI CMP AL,00H JE EXIT NEXT： INC SI MOV AH,SI CMP AL,AH JE NEXT MOV DI,AL INC DI JMP LOOP1 EXIT: MOV DI,AL37、對(duì)每個(gè)數(shù)進(jìn)行右移,直到最低位為1 (1)0 (2)TEST (3)JNZ (4)SHR (5)LOOP NEXT38、統(tǒng)計(jì)每個(gè)數(shù)中二

13、進(jìn)制數(shù)中1的個(gè)數(shù) (1)W (2)MOV BX,0 (3)NC (4)LOOP1 (5)INC DI 39、BCD碼轉(zhuǎn)成ASCII,并在最高位加偶校驗(yàn)位 (1)AL,SI (2)SHR AL,CL (3)POP CX (4)JP SERCH2 (5)ADD AH,30H (6)LOOP40、無(wú)符號(hào)Ck=Ak除Bk (1)MOV CX,N (2)DL,SOURCEBX+N (3)MOV AL (4)DL (5)AX (6)INC BX (7)JNZ?41、16個(gè)10位二進(jìn)制，DB9DB0 000000 轉(zhuǎn)成DB7DB0 000000 DB9 DB8 (1)BYTE PTR SOURCEBX+1(

14、2)CL (3)CL (4)AH (5)AL42、無(wú)符號(hào)字節(jié)，排成升序 (1)INC DI (2)NEXT0 (3)N-1 (4)SB (5)NEXT3 (6)AL (7)NEXT2 (8)BX (9)NEXT143、ASCII轉(zhuǎn)成壓縮BCD碼 (1)B (2)0FH (3)B (4)CX (5)4 (6)CX (7)BL 44、BCD轉(zhuǎn)成ASCII，高位BCD放高地址 (1)B (2)0FH (3)BL (4)CX (5)4 (6)CX 45、無(wú)符號(hào)Ck=Ak+Bk (1)OFFSET RESULT (2)0 (3)MOV CX,N (4)ADD AL,SOURCEBX (5)ADC AH,

15、0 (6)ADD DI,246、有符號(hào)Ck=Ak-Bk (1)SUB AL,SOURCEBX+N (2)JNS (3)0FFH (4)JUMP1 (5)JUMP1 (6)CBW47、無(wú)符號(hào)Ck=Ak*Bk (1)MOV DI (2)MOV CX,N (3)MOV AL (4)MUL SOURCEBX (5)DEC CX48、搖號(hào)機(jī)，統(tǒng)計(jì)09出現(xiàn)的次數(shù) (1)MOV AL,AH (2)AND AH,0F0H (3)SHR (4)INC RESULTBX (5)INC RESULTBX49、搖號(hào)機(jī)，兩號(hào)碼相加為2，3，4，5，6，7，8的次數(shù) (1)BX (2)SHR (3)AH (4)BL (5

16、) AL (6)SUB (7)INC RESULTBX 50、有符號(hào)Ck=Ak+Bk (1)SOURCEBX+N (2)ADD (3)0FFH (4)JUMP (5)CBW 51、16個(gè)12位二進(jìn)制DB11DB0 0000轉(zhuǎn)成DB7DB0 0000 DB11DB8 (1)4 (2)SOURCEBX (3)CL (4)CL (5)CL (6)AH,AL (7)AL (8)AH52、10個(gè)無(wú)符號(hào)，近似法求近似平方根 (1)INC BX (2)JBE (3)INC BX (4)SHR BX,1 (5)INC DI (6)INC SI53、有符號(hào)8位二進(jìn)制，排成正負(fù)相間，負(fù)數(shù)排第一個(gè) (1)80H (

17、2)AL (3) BL (4) BL (5)DEC 54、對(duì)內(nèi)存中7個(gè)ASCII字符組成的字符串進(jìn)行如下操作，在源串前加#，后加*，再放原異或的結(jié)果. (1)'#' (2)00H (3)CHAR (4)'*' (5)0DH (6)0AH (7)EXIT55、無(wú)符號(hào)Ck=Ak-Bk (1)MOV CX,N (2)SOURCEBX+N (3)JNC (4)0FFH (5)DI 56、I*J矩陣轉(zhuǎn)置,并計(jì)算每一行元素之和 (1)ADC CH,0 (2)CMP DX,I (3)ADD DI,2 (4)INC BX (5)LPJ57、Yn=Yn-1+delta if Xn

18、>Yn-1+delta. (1)DI-1 (2)NA (3)MOV DI,BX (4)NAE (5)MOV DI,AX (6)MOV DI,DX58、說(shuō)明已過(guò)峰值,記錄當(dāng)前值 (1)XOR DX,AX (2)AND DH,80H (3)Z (4)STOSB (5)MOV DX,AX59、ASCII,如果是09或AF之間轉(zhuǎn)成二進(jìn)制 (1)MOV (2)MOV CX,N (3)9 (4)STRIP (5)F (6)INVALID (7)NEXT60、20個(gè)無(wú)符號(hào)數(shù),求它們的和(字型) (1)MOV AH,0 (2)ADD BX,AX (3)AL (4)INC SI (5)INC DI (6)

19、BX61、有符號(hào)字節(jié)Ck=Ak*Bk,Ck按有符號(hào)字的型式 (1)OFFSET RESULT (2)MOV BX,0 (3)SOURCEBX+N (4)IMUL (5)DI,2 (6)DEC CX62、DB11DB0 0000 判別是否大于800H,若大于,存入01H,否則存00H,最后存放大于的個(gè)數(shù) (1)OFFSET RESULT (2)8000H (3)C_0 (4)CL63、大寫轉(zhuǎn)小寫統(tǒng)計(jì)A的個(gè)數(shù) (1)JB (2)Z (3)NINC (4)20H (5)INC DI (6)MOV DI,DL64、ASCII轉(zhuǎn)成無(wú)符號(hào)二進(jìn)制再統(tǒng)計(jì)大于等于5的個(gè)數(shù) (1)00H (2)30H (3)JB

20、 (4)DL (5)MOV DI,DL65、統(tǒng)計(jì)成績(jī)，10090.6960以及低于60的人數(shù),并計(jì)算30個(gè)學(xué)生的平均成績(jī) (1)CLD (2)MOV AH,0 (3)CMP AL,90 (4)BYTE PTRDI+4 (5)JMP NEXT (6)BX (7)N 66、刪除10個(gè)無(wú)符號(hào)字節(jié)跌最大值和最小值,并計(jì)算算術(shù)平均值 (1)SI (2)SI (3)NEXT (4)JL NEXT (5) 8 (6)INC AL 67、20個(gè)16位有符號(hào),求出最小值和最大值 (1)MOV DX,SI (2)MOV CX,N-1 (3)CHKMIN (4)JGE (5)MOV DI,DX (6)MOV DI,

21、BX 68、大字轉(zhuǎn)小寫,其它轉(zhuǎn)'SP' (1)LEA DI,RESULT (2)SI (3)Z (4)JA (5)20H (6)INC SI (7)DI (8)LOOP 69、8位有符號(hào),Ci=|Ai+Bi| (1)N (2)SOURCEBX+N (3)SOURCEBX (4)0FFH (5)JUMP (6)CBW (7)JNS 70、取出N階矩陣對(duì)角線上的元素,并計(jì)算累加值 (1)DH (2)MOV AH,0 (3)SOURCE (4)ADC CH,0 (5)N71、判斷前9個(gè)字節(jié)是否為偶校驗(yàn)碼,若是則轉(zhuǎn)ASCII,否07H.再計(jì)算累加碼并比較,相等存06H,否07H (1)

22、PUSH (2)JZ (3)BL (4)7FH (5)POP (6)CMP SI,AL 72、無(wú)符號(hào)8位二進(jìn)制轉(zhuǎn)格雷碼 (1)PUSH CX (2)ROL (3)ADC AH,0 (4)JNE (5)BH (6)POP CX 73、Yk=(Y|n+3 - Y|n)/3*(k-n) +Yn,k=n+1、n+2.n=0,3,6,9 非線性溫度傳感器分段線性插值法。 (1)MOV DL,3 (2)PUSH AX (3)BH (4)AL (5)POP AX (6)2 74、N個(gè)有符號(hào)數(shù)找最大值，存入，其后為原N個(gè)數(shù)取反 (1)LEA (2)BX (3)CMP (4)JG MAXD3 (5)MAXD2

23、(6)STOSB 75、無(wú)符號(hào)字節(jié)，Ck為Ak和Bk異或運(yùn)算的結(jié)果 (1)CX,N (2)DI,OFFSET RESULT (3)SOURCEBX+N (4)DI,AL (5)INC BX 76、10個(gè)無(wú)符號(hào)字節(jié)，高4位和低4位轉(zhuǎn)成ASCII，按照先低后高存 (1)0FH (2)CL (3)POP CX (4)30H (5)ENDP 77、計(jì)算10*3矩陣每一行元素之和 (1)MOV AH,0 (2)SI (3)J (4)DX (5)2 78、計(jì)算10*3矩陣每一列元素之和 (1)MOV AH,0 (2)J (3)2 (4)INC BX (5)J 79、在遞增有序數(shù)組中插入一個(gè)正整數(shù)。如將02

24、H插入到01H，03H，04H.中 (1)AL (2)DL (3)SI (4)BX+SI+1 (5)REP 80、四組帶符號(hào)8位二進(jìn)制,當(dāng)每組中負(fù)多于正時(shí),正變負(fù),反之,負(fù)變正. (1)4 (2)JL (3)NEXT (4)JAE (5)0 (6)NOTNEG1 (7)JZ EXIT 81、小寫轉(zhuǎn)成大寫 (1)UPPER2 (2)z (3)A (4)AL,0DFH (5)AL (6)SI (7)DI (8) LOOP 82、有符號(hào)字節(jié),Ck=Ak/Bk,結(jié)果低字節(jié)為商,高為余數(shù) (1)MOV BX,0 (2)OFFSET RESULT (3)SOURCEBX (4)CBW (5)IDIV (6

25、)DI 83、16個(gè)10位無(wú)符號(hào)DB9DB0 000000 判別是否<=200H,若小存01H,否存00H.最后存<=的個(gè)數(shù) (1)0 (2)BYTE PTR SOURCEBX+1(3)8000H (4)DH (5)CL (6)INC DI 84、10個(gè)字節(jié),統(tǒng)計(jì)每個(gè)數(shù)中位為1的個(gè)數(shù)存入,最后存入1位數(shù)的總數(shù) (1)8 (2)ROL AL,1 (3)JUMP (4)JNZ (5)DL (6)DI,DH 85、將串中0DH,0AH換成0DH以00結(jié)尾 (1)CMP AL,00H (2)JE QUIT (3)E (4)L0 (5)INC SI 86、20個(gè)無(wú)符號(hào)數(shù)組A，求新組B。B(I

26、)=A(I),I=1,20。 B(I)=(A(I-1)+2*A(I)+A(I+1)/4),I=219. (1)MOV AL,SI+N-1 (2)MOV DI+N-1,AL (3)N-2 (4)SI (5)SI-1 (6)SI+1 (7)SHL 87、有符號(hào)字節(jié)數(shù)據(jù)除以5，并按四舍五入的原則將商存入 (1)AND AH,80H (2)NEG AH (3)NEXT (4)AH,AH (5)ADD AL,1 88、對(duì)10個(gè)無(wú)符號(hào)數(shù)進(jìn)行升序排序，剔除頭尾，計(jì)算其余的算術(shù)平均值，4舍5入存在最后 (1)N (2)DEC BX (3)CMP BX,0 (4)N-2 (5)MOV DL,N-2 (6)ADD

27、 AL,1 89、分別統(tǒng)計(jì)內(nèi)存中字符串SEGMENT、EQU等個(gè)數(shù)，以字節(jié)形式存入 (1)STR0,7,RESULT0 (2)STR1,3,RESULT1 (3)STR2,2,RESULT2 (4)STR3,3,RESULT3 (5)STR4,3,RESULT4 (6)STR5,4,RESULT5 (7)STR6,4,RESULT6 (8)STR7,4,RESULT7 (9)STR8,2,RESULT8 (10)STR9,3,RESULT9 90、無(wú)符號(hào)字節(jié)序列，求最大值最小值。先存入原數(shù)，再存最大值、最小值 (1)DI (2)1 (3)ADD DI,1 (4)JNA (5)BL (6)BH

28、(7)MOV DI+1,BL 91、對(duì)10個(gè)字節(jié)進(jìn)行加密，高位A>=低位B,則B=A-B;A (1)DEC DX (2)JAE G1 (3)AL (4)SHL (5)OR 92、6組有符號(hào)16位二進(jìn)制,當(dāng)每組中負(fù)多于正,則負(fù)變正.反之,則正變負(fù). (1)MOV CX,3 (2)ADD SI,2 (3)JMP (4)ADD SI,2 (5)NEG AX (6)ADD DI,2 (7)ADD SI,2 (8) ADD DI,2 (9) JMP REPT193、20個(gè)有符號(hào)字節(jié)序列,求最大值和最最小值,先存原數(shù),最后存最大值和最小值 (1)DI (2)1 (3)ADD DI,1 (4)JNG (5)BL (6)MOV DI,BH (7)INC DI (8) BL 94、對(duì)信號(hào)進(jìn)行低通濾波Yi=(1