Answer Posted / sriram

The reader and writer problem is IMPLEMENTED THROUGH
SEMAPHORES.

THE EFFECTIVE SOLUTION TO SOLVE THE READER AND WRITER
SOLUTION IS :


A) If a writer is waiting in the ready queue to enter
into the critical section, then the current reading process
should be completed without delay.

B) Only one reader can be put into the ready queue
because the writer is waiting.

c) The semaphores such as ReadCount-to count the number
of reader in ready queue,
Reader and Writer, these are the important semaphores to
solve the reader and writer problem.

write a function that allocates memory for a single data type passed as a parameter.the function uses the new operator and return a pointer to the allocated memory.the function must catch and handle any exception during allocation

2841

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write a program that prompt the user to enter his height and weight,then calculate the body mass index and show the algorithm used

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Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

3706

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3314

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Code for Small C++ Class to Transform Any Static Control into a Hyperlink Control?

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2225

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What output does this program generate as shown? Why? class A { A() { cout << "A::A()" << endl; } ~A() { cout << "A::~A()" << endl; throw "A::exception"; } }; class B { B() { cout << "B::B()" << endl; throw "B::exception"; } ~B() { cout << "B::~B()"; } }; int main(int, char**) { try { cout << "Entering try...catch block" << endl; A objectA; B objectB; cout << "Exiting try...catch block" << endl; } catch (char* ex) { cout << ex << endl; } return 0; }

988

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4872

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2467

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3183

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3023

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output for printf("printf");

2486

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Given a table of the form: Product Sold on A 1/1/1980 B 1/1/1980 C 1/1/1980 A 1/1/1980 B 1/1/1980 C 2/1/1980 A 2/1/1980 There are 30 products and 10,000 records of such type. Also the month period during which sales happened is given to u. Write the program to display the result as: Product Month No. of copies A January 12 A February 15 A March 27 B January 54 B February 15 B March 10 C January 37

2637

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write a program that creates a sequenced array of numbers starting with 1 and alternately add 1 and then 2 to create the text number in the series , as shown below. 1,33,4,6,7,9,............147,148,150 Then , using a binary search , searches the array 100 times using randomly generated targets in the range of 1 to 150

3709

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