10.17 Draw the stack of activation records for the following C program after (a) the call to r on line 13 and (b) after the call to p on line 14. Show the control links, and fill in the local names in each activation record. (c) Describe how variables r and x are found on lines 4 and 5 during the execution of p. (1) int x%;B (2) void p(void) (3) { double r = 2; (4) printf("%g\n",r); (5) printf("%d\n",x); (6) } (7) void r(void) (8) { x = 1; (9) (10) } (11) void q(void) (12) double x = 3; (13) г () %; (14) PO; (15) } (16) main() (17) { p(); (18) (19) (20) } 90; return 0;
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- In the below stack allocation, what is the current value of top after execution of the following code (i.e. after the function using the second activation record)? Hint: remember that stacks grow from highest address toward lower address. StackAllocatr m = new StackAllocatr(5); m.push(1); m.push(2); m.pop1 All of the following data values are examples of unsigned datatypes in HLA EXCEPT a uns32 b uns16 c int8 d uns8 2 How many bits of stack memory are used when passing an int32 variable by-reference to a function? a 32 b 8 c 16 d 64 3 How many bits of stack memory are used when passing an int16 variable by-value to a function? a 32 b 8 c 16 d 64Question 2 a) Using a c program Create a shared memory size of 1024, create a random key, write a string of your own choosing into shared memory b) Using a c program read the contents of the shared memory created in (A) above c) write a c program that uses a fork to create a child process, using pipes let this child process send a message which is read by the parent process
- Assume that main memory is composed of only three page frames for public use and that a seven-page program (with pages a, b, c, d, e, f, g) requests pages in the following order:a, c, a, b, a, d, a, c, b, d, e, f 2. Increase the size of memory so it contains four page frames for public use. Using the same page requests as above and FIFO, do another page trace analysis and compute the failure and success ratios. 3. Calculate the cache hit ratio using the formula presented in this chapter assuming that the total number of requests is 2,056 and 647 of those requests are found in the cache.Implement priority round robin scheduling in C and calculate the average turnaround time, wait time and response time It must use task.h, list.h and cpu.h. Text files = rr-schedule.txt T1, 0, 40, 50T2, 1, 40, 50T3, 2, 40, 50T4, 3, 40, 50T5, 4, 40, 50T6, 5, 40, 50 pri-schedule.txt T1, 0, 1, 50T2, 1, 1, 50T3, 2, 1, 50T4, 3, 1, 50T5, 4, 1, 50T6, 5, 1, 50Use C, C++, python or matlab to develop a program whose main routine accepts two parameters n and k, i.e. when you invoke your program from the shell, you pass it two parameters, n and k, where n >=16 and k >=8and is in powers of 2 (e.g. 8, 16, 32, etc.). Your main routine shall generate a random page trace of length n, where the page numbers have values ranging from 0 to ? − 1. Develop a subroutine within your program that implements the FIFO page replacement algorithm (as a separate function within your program). The function shall accept a page trace and a parameter f for the number of frames allocated. Your main routine shall then apply the random page trace to the subroutine implementing the page replacement algorithm, multiple times (using only one trace, randomly generated), passing a parameter f (number of page frames used) that ranges from 4 to k. Your main routine shall then record the number of page faults for each run (i.e. for each f).Run your program using a page…
- Use C, C++, python or matlab to develop a program whose main routine accepts two parameters n and k, i.e. when you invoke your program from the shell, you pass it two parameters, n and k, where n >=16 and k >=3 and is in powers of 2 (e.g. 2, 4, 8, 16, etc.). Your main routine shall generate a random page trace of size n, where the page numbers have values ranging from 0 to ? − 1. Develop a subroutine within your program that implements the LRU page replacement algorithm (as a separate function within your program). Your algorithm shall use the doubly linked list stack implementation as outlined in slide 29 of lecture 10). The function shall accept a page trace and a parameter f for the number of frames allocated. Your main routine shall then apply the random page trace to the subroutine implementing the page replacement algorithm, multiple times (using only one trace, randomly generated), passing a parameter f (number of page frames used) that ranges from 4 to k. Your main…1. a) When a function is called in a given running program, an _____________ is created in the stack section of the virtual address space of the program that stores all the variables local to the function 1.b) Will the code below change the value of x? Explain why your answer is correct. All codes in c++ #include <iostream> using namespace std; void change(int); int main() { int x = 10; change(x); cout << "x = " << endl; return 0; } void change(int n1) { n1++; }Assume that the node of a linked list is in the usual info-link form with the info of the type int. The following data, as described in parts (a) to (d), is to be insetred into an initially linked list: 72, 43, 8, 12. Suppose that head is a pointer of type nodeType. After the linked list is created, head should point to the first node of the list. Declare additional variables as you need them. Write the C++ code to create the linked list. After the linked list is created, write a code to print the list. What is the output of your code? a. Insert 72 into an empty linked list.b. Insert 43 before 72.c. Insert 8 at the end of the list.d. Insert 12 after 43.
- Assume that the input sequence is ABC, and the output sequence is CBA. What are the operations performed on the stack? (A) push, pop, push, pop, push, pop (B) push, push, push, pop, pop, pop (C) push, push, pop, pop, push, pop (D) push, pop, push, push, pop, popAssume that the node of a linked list is in the usual info-link form with the info of the type of int. The following data, as described in parts (a) to (d), is to be inserted into an initially linked list: 72, 43, 8, 12. Suppose that head is a pointer of type nodeType. After the linked list is created, head should point to the first node of the list. Declare additional variables as you need them. Write the C++ code to create the linked list. After the linked list is created, write a code to print the list. What is the output of your code? Insert 72 into an empty linked list. Insert 43 before 72. Insert 8 at the end of the list. Insert 12 after 43Do execution paths 3 and 4 encompass the first three conditions for a deadlock to occur?