1.Temporarily prevent resources from deadlocked processes.
2.Back off a process to some check point allowing preemption of a needed resource and restarting the process at the checkpoint later.
3.Successively kill processes until the system is deadlock free.
0700829523 answered the question on May 22, 2018 at 09:24
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Explain common types of computer networks.
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May 16, 2018
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Expand on Claude Shannon’s theorem. Differentiate the term confusion and diffusion as envisaged by Shannon to strengthen crypto-algorithm.
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Expand on Claude Shannon’s theorem. Differentiate the term confusion and diffusion as envisaged by Shannon to strengthen crypto-algorithm.
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In DES, the encryption and decryption algorithms are the same. Is that also the case in AES?
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May 13, 2018
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What do we mean by public-key cryptography?
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To illustrate exactly when an object is constructed and destructed when returned from a function, create a C++ class called who. Have who's constructor take...
(Solved)
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Constructing who #X
where x is the identifying character associated with each object when an object is destroyed, have a message similar to this displayed:
Destroying who #x
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Date posted:
May 12, 2018
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Answers (1)
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other than the incorrect freeing of dynamically allocated memory, think of a situation in which it would be improper to return an object from a...
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other than the incorrect freeing of dynamically allocated memory, think of a situation in which it would be improper to return an object from a function.
Date posted:
May 12, 2018
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Answers (1)
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As you know, when an object is passed to a function, a copy of that object is made.Further, when that function returns, the copy's destructor...
(Solved)
As you know, when an object is passed to a function, a copy of that object is made.Further, when that function returns, the copy's destructor function is called.Keeping this in mind, what is wrong with the following program?
// This program contains an error.
#include
#include
using namespace std;
class dyna {
int *p;
public:
dyna(int i);
~dyna() { free(p); cout << "freeing \n"; }
int get() { return *p; }
};
dyna::dy*) malloc(sizeof(int));
if(!p) {
cout << "Allocation failure\";
exit(1);
}
*p = i;
}
// Return negative value of *ob.p
int neg(dyna ob)
{
retur.get();
}
int main()
{
dyna 0(-10);
cout << o.get() << "\n";
cout << neg(o) << "\n";
dyna o2(20);
cout << o2.get () << "\n";
cout << neg (o2)\n";
cout << o.get () << "\n";
cout << neg (o) << "\n";
return 0;
}
Date posted:
May 12, 2018
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Answers (1)
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If a queue dynamically allocates memory to hold the queue, explain the reason for that occurence and state whether in such a situation it...
(Solved)
If a queue dynamically allocates memory to hold the queue, explain the reason for that occurence and state whether in such a situation it is possible to block one queue from being assigned to another.
Date posted:
May 12, 2018
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Answers (1)
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Create a class called dice that contains one private integer variable.Create a function called roll() that uses the standard randomn number generator, rand(), to generate...
(Solved)
Create a class called dice that contains one private integer variable.Create a function called roll() that uses the standard randomn number generator, rand(), to generate a number between 1 and 6. Then have roll() display that value.
Date posted:
May 12, 2018
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Answers (1)
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Create a class called prompt in C++ language.Pass its constructor function a prompting string of your choice.Have the constructor display the string and then input...
(Solved)
Create a class called prompt in C++ language.Pass its constructor function a prompting string of your choice.Have the constructor display the string and then input an integer.Store this value in a private variable called count.When an object of type prompt is destroyed, ring the bell on the terminal as many times as the user entered.
Date posted:
May 12, 2018
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Answers (1)
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Create a C++ class called line that draws a line on the screen.Store the line length in a private integer variable called len.Have line's constructor...
(Solved)
Create a C++ class called line that draws a line on the screen.Store the line length in a private integer variable called len.Have line's constructor take one parameter: the line length.Have the constructor store the length and actually draw the line .If the system does not support graphics, display the line by using *. Give the line a destructor that erases the line.
Date posted:
May 12, 2018
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Answers (1)
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Explain what an anonymous union is and how it differs from a normal union.
(Solved)
Explain what an anonymous union is and how it differs from a normal union.
Date posted:
May 12, 2018
.
Answers (1)
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Use a C++ union class to swap the low- and high-order bytes of an integer (assuming 16-bit integer; if the computer uses 32-bit integers, swap...
(Solved)
Use a C++ union class to swap the low- and high-order bytes of an integer (assuming 16-bit integer; if the computer uses 32-bit integers, swap the bytes of a short int)
Date posted:
May 12, 2018
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Answers (1)