写出下列程序运行的结果．

（1）a=2                         （2）x=100

i=1                               i=1

WHILE  i＜=6                    DO

a=a+1                            x=x+10

PRINT  i，a                      PRINT  i，x

i=i+1                             i=i+1

WEND                           LOOP  UNTIL  x=200

END                            END．

微机中1KB表示的二进制位数是

A．1000

B．8×1000

C．1024

D．8×1024