下面的程序片段,将$t1寄存器的整型数据输出到屏幕上,正确的是( )
A: li $v0, 1 move $a0, $t1 syscall
B: li $v0, 1 move $v0, $t1syscall
C: li $v0, 5 move $a1, $t1 syscall
D: li $v0, 4 move $a0, $t1syscall
A: li $v0, 1 move $a0, $t1 syscall
B: li $v0, 1 move $v0, $t1syscall
C: li $v0, 5 move $a1, $t1 syscall
D: li $v0, 4 move $a0, $t1syscall
举一反三
- 对信码1000100100001000011000011进行HDB3编码,结果可能是( )。 A: -1 0 0 0 +1 0 0 -1 0 0 0 -V +1 0 0 0 +V -1 +1 -B 0 0 -V +1 -1 B: +1 0 0 0 -1 0 0 +1 0 0 0 +V -1 0 0 0 -V +1 -1 +B 0 0 +V -1 +1 C: +1 0 0 0 -1 0 0 +1 0 0 0 +1 -1 0 0 0 -1 +1 -1 +1 0 0 +1 -1 +1 D: -1 0 0 0 +1 0 0 -1 0 0 0 +V +1 0 0 0 +V -1 +1 +B 0 0 -V +1 -1
- MATLAB中调用v=eye(2,1)后的结果为 A: v=[1;0] B: v=[1,0] C: v=[0;1] D: v=[1 0;0 1]
- 运行下面的程序后,输出的结果为 Cls Dim t(5,5)as Integer For i=1 To 5:t(i,i)=1:Next For i=1 To 5 For j=1 To 5 Print t(i,j), Next Print Next A. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 B.1 1 1 1 1 C.1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 D.1 1 1 1 1
- 对于理想气体,下述结论中正确的是:() A: 、(¶H/¶T)V=0 (¶H/¶V)T=0 B: 、(¶H/¶T)p=0(¶H/¶p)T=0 C: 、(¶H/¶T)p=0(¶H/¶V)T=0 D: 、(¶H/¶V)T=0 (¶H/¶p)T=0
- 设不可压缩流体平板层流边界层内的速度分布为 [img=209x42]1803bd3715753c2.jpg[/img] ,其中a0、a1、a2和a3为待定系数,V0为来流速度大小,根据边界层边界条件可得( ) A: a0=1,a1=1,a2=0,a3=0 B: a0=0,a1=1.5,a2=0,a3=−0.5 C: a0=0.5,a1=1,a2=0,a3=−1 D: a0=0,a1=0.5,a2=0,a3=−1