câu 34

Question:

A student has claimed that ‘‘in the abstract, the basic page replacement algorithms (FIFO, LRU, optimal) are identical except for the attribute used for selecting the page to be replaced.’’ (a) What is that attribute for the FIFO algorithm? LRU algorithm? Optimal algorithm? (b) Give the generic algorithm for these page replacement algorithms.

Answer:

a) FIFO is first come first out, First page inserted will be removed first.

LRU - Least Recently Used, the page recently used will be replaced first.

Optimal means like which is very likely to be used again is kept.

b) We can give attributes of : time or count...the more count ..the more probable it will be replaced...we can increase count value of each page by 1 at each page request.

A palindrome is a number or a text phrase that reads the same backwards as forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a C++ program that reads in a five-digit integer and determines whether it is a palindrome .

- June 12, 2021

Question: A palindrome is a number or a text phrase that reads the same backwards as forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a C++ program that reads in a five-digit integer and determines whether it is a palindrome . Answer: Step 1 PROGRAMING CODE: #include <stdio.h> int main() { int n, a, b, c, d, e; int digit = 0; printf( "Enter one 5 digit number: \n" ); scanf( "%d", &n ); a = n / 10000; b = n / 1000 % 10; c = n / 100 % 10; d = n / 10 % 10; e = n % 10; if ( a == e && b == d ) { printf( "Palindrome!\n" ); } if ( a != e || b != d ) { printf( "Not a palindrome.. :(\n" ); } return 0; } PROGRAM SCREENSHOT: Step 2

câu 34

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Shorten Link Whatchamacallit Candy

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A palindrome is a number or a text phrase that reads the same backwards as forwards. For example, each of the following five-digit integers is a palindrome: 12321, 55555, 45554 and 11611. Write a C++ program that reads in a five-digit integer and determines whether it is a palindrome .

Link BD consists of a single bar 30 mm wide and 12 mm thick. Knowing that each pin has a10 mm diameter, determine the maximum value of the average normal stress in the link BD if θ = 15 degrees.

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