單項(xiàng)選擇題定義字節(jié)數(shù)據(jù)的偽指令的是:()

A.DB
B.Start
C.ORG
D.DW


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1.單項(xiàng)選擇題將P0口的2號(hào)位取反的指令是()

A.SetB P0.2
B.CLR P0.2
C.CPL P0.2
D.Mov P0,#0

2.單項(xiàng)選擇題將P0口的5號(hào)位取反的指令是:()

A.SetB P0.5
B.CLR P0.5
C.CPL P0.5
D.Mov P0,#0

3.單項(xiàng)選擇題將P0口的5號(hào)位清0的指令是:()

A.SetB P0.5
B.CLR P0.5
C.CPL P0.5
D.Mov P0,#0

4.單項(xiàng)選擇題將P0口的3號(hào)位清0的指令是:()

A.SetB P0.3
B.CLR P0.3
C.CPL P0.3
D.Mov P0,#0

5.單項(xiàng)選擇題將P0口的6號(hào)位置1的指令是:()

A.SetB P0.6
B.CLR P0.6
C.CPL P0.6
D.Mov P0,#0