A+ Guide To It Technical Support
A+ Guide To It Technical Support
10th Edition
ISBN: 9780357108291
Author: ANDREWS, Jean.
Publisher: Cengage,
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Chapter 3, Problem 12TC

Explanation of Solution

Given:

The DIMM rated at PC4 24000.

To find: The speed of the DIMM rated at PC4 24000 in MHz.

Solution:

The speed of a DIMM at a rate of PC4 24000 is 3000 MHz. The speed of a DIMM rated at PC4 24000 is calculated by dividing the PC rating by 8 bytes...

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Good mrng, please solve this trying to follow this criteria. (use Keil) Abstract describing the requirements and goals of the assignment. List file with no errors or warnings. Brief description of your implementation design and code. Debugging screen shots for different scenarios with your reference and comments. Conclusion (and please give me the code without errors, make sure it is working)
#include <stdio.h> #include <stdlib.h> #include <unistd.h>   int global_var = 42; //   int* function(int *a) { int local_var = 10; // *a = *a + local_var; int *local_pointer = (int *)malloc (size of (int) * 64); // Allocated array with 64 integers return local_pinter; }   int main() {      int local_main[1024*1024*1024*1024*1024] = {0}; // initialize an array and set all items as 0      int *heap_var = (int *)malloc(size of(int) * 16); // Allocated array with 16 integers     *heap_var = 100; function(heap_var); printf(“the value is %d\n”, *heap_var);      free(heap_var); // release the memory      return 0; }  1) draw the memory layout of the created process, which should include text, data, heap and stack [2 marks].   2) Indicate which section the variables are allocated [2 marks]: global_var local_var, local_pointer local_main heap_var, *heap_var (the data that it points to)   3) Does this code have memory leaking (heap memory is not released)? [2 marks] 4) The…
8. List three HDD scheduling algorithms. [2 marks] 9. True or False? The NVM has the same scheduling algorithms with HDD. Explain why? [2 marks] 10. Why the modern mouses use polling to detect movements instead of interrupts? [2 marks] 11. What is thrashing? How does it happen? [2 marks] 12. Given a reference string of page numbers 7, 0, 1, 2, 0, 3, 0, 4, 2, 3, 0, 3, 0, 3, 2, 1, 2, 0, 1, 7, 0, 1 and 4 frames show how the page replacement algorithms work, and how many page faults? [6 marks], 1) FIFO algorithm? [2 marks] 2) Optimal algorithm? [2 marks] 3) LRU algorithm? [2 marks] 13. List at least three file systems that you know. [2 marks] 14. In C programming, how the seek to a specific position in the file by offset? [2 marks]
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