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alex41 [277]
3 years ago
15

On the 74ls74 d flip-flop, the clk input has a small triangle. the pr (preset) and clr (clear) inputs have a circle. what do the

se symbols mean?
Computers and Technology
1 answer:
topjm [15]3 years ago
7 0
The triangle indicates that the clock signal is an edge-triggered signal.
The circle indicates that the signal is low-active (ie., inverted).
The 74LS74 has a positive-edge trigger clock (low to high).
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#include <bits/stdc++.h>  

using namespace std;

bool getplayer2move(int x, int y, int n)  

{

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   dp[0] = false;  

   dp[1] = true;  

   for (int i = 2; i <= n; i++) {  

       if (i - 1 >= 0 and !dp[i - 1])  

           dp[i] = true;  

       else if (i - x >= 0 and !dp[i - x])  

           dp[i] = true;  

       else if (i - y >= 0 and !dp[i - y])  

           dp[i] = true;  

       else

           dp[i] = false;  

   }  

   return dp[n];  

}  

int main()  

{  

   int x = 3, y = 4, n = 5;  

   if (findWinner(x, y, n))  

       cout << 'A';  

   else

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   return 0;  

}

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