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【单选题】
在8253的6种工作，既可以软件启动也可以硬件启动的工作方式是（ ）。A.
方式0和4
B.
方式1和5
C.
方式2和4
D.
方式2和3
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【单选题】The difference between what they would spend and what they actually spend becomes available for spending elsewhere or for investment.Make a single choice from A, B, C, and D, which can best replace th...
A.
different amount of money
B.
dissimilar quality
C.
noticeable effect
D.
disagreement
【多选题】关于拍摄机灵敏感度描述正确的是?
A.
摄像机的灵敏度用最低照度来衡量
B.
摄像机的照度越低，灵敏度越低
C.
.摄像机的灵敏度越高，光电转换性能越好
D.
.摄像机允许的景物照度越低，灵敏度越高
【单选题】(Single choice)For what combinations of the inputs D and EN will a D latch reset?
A.
D = LOW, EN = LOW
B.
D = LOW, EN = HIGH
C.
D = HIGH, EN = LOW
D.
D = HIGH, EN = HIGH
【单选题】(Single choice) 14. JTAG stands for
A.
Joint Test Action Group
B.
Java Top Array Group
C.
Joint Test Array Group
D.
Joint Time Analysis Group
【单选题】(Single choice) The BCD number for decimal 473 is
A.
111011010
B.
110001110011
C.
010001110011
D.
010011110011
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