指出以下数据定义伪指令所分配的字节数(80386系统)。 (1)DATA1 DF 12,34,56 (2)DATA2 DF DATA2 (3)DATA3 DQ 0,10 DUP(?) (4)DATA4 DT 0,1,2
指出以下数据定义伪指令所分配的字节数(80386系统)。 (1)DATA1 DF 12,34,56 (2)DATA2 DF DATA2 (3)DATA3 DQ 0,10 DUP(?) (4)DATA4 DT 0,1,2
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( 36 ) 设有定义 :struct complex{ int real,unreal; } data1={1,8},data2;则以下赋值语句中错误的是A ) data2=data1;B ) data2= ( 2,6 ) ;C ) data2.real=data1.real;D ) data2.real=data1.unreal;
执行下列程序段后,DATA1单元的值为( ) DATA1 DB 10H,20H DATA2 DB 30H,40H MOV AX,WORD PTR DATA1 CMP AX,WORD PTR DATA2 JA L MOV BX,WORD PTR DATA2 MOV WORD PTR DATA2,AX MOV WORD PTR DATA1,BX L:HLTA.40HB.30HC.20HD.10H
设有定义: Struct complex {int real,unreal;}data1={1,8},data2; 则以下赋值语句中错误的是( )。A.data2={data1.rea1,data1.unrea1};B.data2=(2,6);C.data2.rea1=data1->rea1;D.data2->rea1=data1.unrea1;
设有定义:struct complex{ int real,unreal;} datal={1,8},data2;则以下赋值语句中错误的是A.Data2=Data1;B.Data2=(2,6);C.Data2.Rea1=Data1.Real;D.Data2.Real=Datal.unRea
阅渎以下说明和C代码,回答问题,将解答写入答题纸的对应栏内。 【说明】函数bubbleSort(int arr [ ] int n, int (*compare)(int, int)的功能是根据调用时传递的比较函数 compare 对数組arr的前n个元素进行排序。 【C代码】#define swap(a,b){a=a^b;b=a^b;a=a^b //交换a与b 的值int less(int x, int y){ return((xy)?1: 0);} void bubble Sort(int arr[ ], int n, int (*compare)(int, int)){ int i,j; int swapped= 1; for( i= 0; swapped; 1++) { swapped =0; for(j=0; j【问题1】设有如下数组定义:int data1[ ]={4,2.6.3,1};int data2[ ]={4,2,6.3,1}int datas3[ ]={4,2,6.3,1}请分别给出下面的函数调用执行后,数组 data1、data2和 data3 各自的元素序列。(1)bubble Sort(data1, 5, less);(2)bubbleSort(data2, 5, larger)(3)bubbleSort(data3, 3, larger)
指出以下数据定义伪指令所分配的字节数(8086系统)。 (1)DATA1 DB 10,?,‘A’ (2)DATA2 DW 10 DUP(2,3 DUP(?),1) (3)DATA3 DB ‘HELLO,WORLD!’,‘$’ (4)DATA4 DW DATA4
下面能够正确打开的一组语句是:()。A、Open“Data1”forInputAs#1Open“Data1”forRandomAs#2B、Open“Data1”forOutputAs#1Open“Data2”forInputAs#1C、Open“Data1”forOutputAs#1Open“Data2”forInputAs#2D、Open“Data1”forInputAs#1Open“Data1”forInputAs#2
You created a snapshot of the /data2 filesystem as follows: # fssnap -F ufs -o bs=/data2/snap /data2 But, the system responds with the following error: snapshot error: Invalid backing file path What is the problem? ()A、 The /data filesystem does not exist.B、 This message indicates that the /data2/snap directory does not exist.C、 The name of the Backing Store is incorrect, it should be /dev/fssnap/0D、 This message indicates that you cannot have the backing store file on the same filesystem as the filesystem being snapped.
单选题设有定义:struct complex{int real,unreal;} data1={1,8},data2;则以下赋值语句中错误的是( )。Adata2=data1;Bdata2=(2,6);Cdata2.rea1=data1.rea1;Ddata2.rea1=data1.unrea1;
单选题You created a snapshot of the /data2 filesystem as follows: # fssnap -F ufs -o bs=/data2/snap /data2 But, the system responds with the following error: snapshot error: Invalid backing file path What is the problem? ()A The /data filesystem does not exist.B This message indicates that the /data2/snap directory does not exist.C The name of the Backing Store is incorrect, it should be /dev/fssnap/0D This message indicates that you cannot have the backing store file on the same filesystem as the filesystem being snapped.
问答题试编写程序,将内部RAM单元中DATA1开始的20个单字节数依次与DATA2单元为起始地址的20个单字节数据进行交换。