–1的单字节补码是:()A、FFHB、80HC、F8HD、00H
–1的单字节补码是:()
- A、FFH
- B、80H
- C、F8H
- D、00H
相关考题:
单片机复位后,SP、PC、I/O口的内容为( ) A.SP = 07H PC = 00H P0 = P1 = P2 = P3 = FFHB.SP = 00H PC = 0000H P0 = P1 = P2 = P3 = 00HC.SP = 07H PC = 0000H P0 = P1 = P2 = P3 = FFHD.SP = 00H PC = 00H P0 = P1 = P2 = P3 = 00H
单片机复位后,累加器A、PC、PSW的内容为()。A、A=FFH PC=00H PSW=FFHB、A=00H PC=0000H PSW=00HC、A=07H PC=0000H PSW=FFHD、A=00H PC=00H PSW=00H
单片机复位后,SP、PC、I/O口(P0、P1、P2、P3)的内容为()。A、SP=00H PC=1000H I/O 口=FFHB、SP=00H PC=0000H I/O 口=00HC、SP=07H PC=0000H I/O 口=FFHD、SP=07H PC=0000H I/O 口=00H
单选题补码1位乘法做一个字节乘法,须右移()次。A4B6C8D10