ID:9613-17961 某程序将256×256的矩阵置初值0。现假定分给这个矩阵的内存块为1页,页面大小为每页256个整数字。矩阵按行存放,开始时内存为空。若程序和有关变量已放在内存其它处,并常驻内存,且程序按如下编制:
VAR A : ARRAY[1…256,1…256] OF INTEGER;
FOR I:= 1 TO 256
FOR J:= 1 TO 256
A[I,J]:=0;
则程序运行完毕共发生( )次缺页中断
A.256-1 B.256 C.2562-1 敧?敬敭瑮祂
ID:9613-19289 有如下程序:
a$="Flying":b$="IS":c$="funny!"
Print a$+" "+Lcase$(b$)+" "+Ucase$(c$)
End
运行后,输出结果是____。
A)Flying Is funny!
B)Flying is FUNNY!
C)Flying IS FUNNY!
D)FLYING IS FUNNY!