.memory location whose content can't change during execution اختر احدى الدجابات O data type O function constant O variable
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c plus plus language , please solve it
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- analyze each program and figure out what is wrong with the memory management in the code and how to fix the code. #include <unistd.h>#include <stdio.h>#include <stdlib.h>#include <assert.h> // Hint: If you run this program repeatedly, with ever-larger numbers as input,// eventually something (slightly) unexpected should happen.intmain(int argc, char *argv[]){if (argc != 2) { fprintf(stderr, "usage: broken2 <value>\n"); exit(1); } int size = atoi(argv[1]);int *p;p = malloc(size*sizeof(int));for (int i = 0 ; i < size; i++) {p[i] = i;}int *q;q = malloc(sizeof(p));for (int i = 0 ; i < size; i++) {q[i] = p[i];} free(p);free(q);return 0;}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 SP n) Copy the data in register R5 to external RAM address 032Fh o) Copy the internal code byte at address 0300h to external RAM address 0300h p) Swap the bytes in TIMER 0 ; put TL0 in TH0 and TH0 in TL0 q) 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 low nibble of R1 in R0371. The user can load and execute a program but cannot copy it. This process is? a. Execution b. Appending c. Reading d. Updating
- 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 Ac++ question pleas copy n paste ur working code hereHello, I am really having trouble with this one. Your help would be truly appreciated. implement a Python script thatchecks whether the file "tmp" exists (hint: take a look at the "os" module of Python)checks whether the file "tmp" is readablechecks whether the file "tmp" is writablechecks whether the file "tmp" is executable
- Transcribed Image Text Joshua, a systems administrator, is configuring new Windows 10 laptops. He is creating new local users on each laptop. He realizes that two users have the same name, Miguel. He uses the name Miguel for one user. Which of the following is a valid user name that he can create for the second user? a) Miguel? b) Mig c) Miguel d) Miguel2 e) All the above will work!calculate the number of memory bytes accessed by this program: void my_dgemv(int n, double* A, double* x, double* y) { double alpha=1.0, beta=1.0; int lda=n, incx=1, incy=1; cblas_dgemv(CblasRowMajor, CblasNoTrans, n, n, alpha, A, lda, x, incx, beta, y, incy); }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 =…
- Complete the following sentences by filling the right word To check if two string variables string1 and string2 refer to the same memory address we use the command ………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.which variables are visible and what are their values at point assuming dynamic scoping. whats printed at the end. program re ( i,o) var a, b integer procedure p1(); var j,k,l: integer; begin for j:=1 to 5 do b := b+j l:= j +k end; procedure p2 var j k l: integer begin k:= a +b p1() l:= k+j j := l +k end begin a:= -0 b:=-5 p2() point ... write(a+b) write(a-b) end
