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- omputer Science What is happening between the two comments labeled POINT A and POINT B? Write a brief description at the bottom of your lab3/lab3.txt file. What happens if you compile the code and run it without any command line arguments? Explain what happens and why at the bottom of your lab3/lab3.txt file. Update the code to include a check after the call to malloc to verify that memory was successfully allocated (and call exit(0) if it was not). Rewrite the code between the two comments labeled POINT A and POINT B to use realloc. Include a check to verify that memory was successfully allocated as you did with malloc in the previous step. #include <stdio.h>#include <stdlib.h>#include <ctype.h> void print_int_array(int* a, unsigned size, char* name) {for (unsigned i=0; i<size; i++) {printf("%s[%d]=%d\n",name,i,a[i]);}} int main(int argn, char *argv[]) { // pretend initial_size came from user input (ie. not known ahead of time)int initial_size =…Which of the following gives the memory address of integer variable a?. Single choice. *a address(a) &a address(*a)TASK 2.2:Open Terminal.Type in the following commands and show outcomes:To identify the available CPU, memory, and disk resources, we can used the following commands:cat /proc/cpuinfo (read the CPU information)cat /proc/meminfo (read the memory (RAM) information)df -h ( find out secondary storage (hard-disk) information)
- Which application is responsible for loading executable code from main memory into the CPU for execution?Write programs that will accomplish the desired tasks listed below, using as few lines of code as possible.Use only opcodes that have been covered in class. Comment on each line of code. s) Store the content of register R3 at the internal RAM address contained in R2. (Be sure the address in R2 is legal) t) Store the content of RAM location 20h at the address contained in RAM location 08h u) Store register A at the internal RAM location address in register A v) Copy program bytes 0100h to 0102h to internal RAM locations 20h to 22h w) Copy the data on the pins of port p2 to the port 2 latch x) PUSH the contents of the B register to TMOD y) Copy the contents of external code memory address 0040h to IE z) Show a set of XCH instructions executes faster than PUSH and POP when saving the contents of the A register.Hello I need help with the following question, I have provided my work that I have done and an example of completed work from the class. This is the question I need help with. A system currently accessing 3.8 G bytes of RAM and 10 M bytes of ROM. Compute the number of address lines required to access the designated storage. For a given # of lines how many more storage space is accessible? Currently out of 3.8 G, 3 G is used by the system programs, .4 G by an application. Can we expand the memory by another 890 M to support a new application? show total storage use and available. Show all your work.
- Which of the follow describes the fixed partition technique? Group of answer choices: a) Main memory is divided into a single partition. b) Main memory is divided into a number of static sized partitions. c) All memory partitions are full. d) All memory partitions are the same size. e) Some memory partitions are empty.Which of the following commands can be used to display memory statistics? (Choose allthat apply.)a. freeb. sarc. vmstatd. iostatWhich computer memory region does not alter during runtime? Literal constant Static Constant variable
- Write programs that will accomplish the desired tasks listed below, using as few lines of code as possible.Use only opcodes that have been covered in class. Comment on each line of code. m) Copy the external code byte at address 007Dh to the SPn) Copy the data in register R5 to external RAM address 032Fho) Copy the internal code byte at address 0300h to external RAM address 0300hp) Swap the bytes in TIMER 0 ; put TL0 in TH0 and TH0 in TL0q) Store DPTR in external RAM locations 0123h (DPL) and 02BCh (DPH)r) Exchange both low nibbles of registers R0 and R1 ; put the low nibble of R0 in R1, and the lownibble of R1 in R0s) Store the content of register R3 at the internal RAM address contained in R2. (Be sure the addressin R2 is legal)t) Store the content of RAM location 20h at the address contained in RAM location 08hu) Store register A at the internal RAM location address in register AQuestion 5 Write a java program to create a directory and add few files inside it. 2. Write a program to count number of files and directories inside the directory created in program 1. 3. Write a program to delete ".txt" files Full explain this question and text typing work only thanksCan you see where I did wrong in this program ? They show in compiler : ar@osboxes:~ Documents/C++/Project/Projekt_alternativ/"try5/usr/bin/ld: /tmp/ccvECf7h.o: in function `add()':try5.cpp:(.text+0x502): undefined reference to `WriteToFile()'collect2: error: ld returned 1 exit status The program : #include<iostream>#include <fstream>#include<string>using namespace std;#define M 100int count=0;struct AddressBook{string FullName;int Birthday;string Address;string Email;int PhoneNumber;}Person [M];void WriteToFile();void add();void browse();void searchByName();void searchByBirthday();void removeContact();void order();int main(){fstream file;file.open("Contact'sBook.txt");int choice;do{cout << "Please Enter Your Choise: \n";cout << " 1-Add New Person\n 2-Browse\n 3- Search By Full Name \n 4- Search By Birthday 5- Remove a Person" << "\n6- Alphabetical Order \n7-Exit\n";cin >> choice;switch(choice){case 1: add();case 2: browse();break;case 3:…
