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9-7. 单片机采用两片 74LS373 和两片 74LS245 扩展片外端口,请问应如何扩展?设计扩展接口电路和芯片地址分配范围。
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【简答题】If A=[4,7,8,9],A(2,:)=[12,5,7,30],so A=(_);
【单选题】What was the maximum number of people who could go to the movies?
A.
6
B.
2
C.
4
D.
8
【单选题】If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet（）。
A.
1024
B.
2046
C.
4094
D.
4096
E.
8190
【单选题】5 月(即"Month" = 5)的最大臭氧值是多少? What was the maximum ozone value in the month of May (i.e. Month = 5)?
A.
100
B.
115
C.
97
D.
18
【单选题】If an Ethernet port on a router was assigned an IP address of 172.1.1.1/20,what is the maximum number of hosts allowed on this subnet?（）
A.
4094
B.
1024
C.
8190
D.
2046
E.
4096
【单选题】If an Ethernet port on router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?（）
A.
1024
B.
2046
C.
4094
D.
4096
E.
8190
【简答题】Java语言是面向( )的程序设计语言(填“过程”或“对象”)
【单选题】5 月(即"Month" = 5)的最大臭氧值是多少? What was the maximum ozone value in the month of May (i.e. Month = 5)?
A.
100
B.
115
C.
97
D.
18
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