Q.4 A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Given the C code and memory content mapping shown in Figure Q.4, complete the Table Q.4 to predict the value after program execution. RAM #include void calculate_average(char mark[], float "average, int size) 0x0010 0000 { for (int i=0; i< size; i++) { *average = "average + mark[i]; 0x0020 0000 average_mark } "average = "average / size; 0x0030 0000 ptr FLY int main() { 0x0040 0000 mark[0] char mark[5]=(50, 80, 95, 34, 99}; float average_mark = 0; mark[1] float *ptr=&average_mark; calculate_average(mark, ptr, 5); mark[2] mark[3] return 0; mark[4] Figure Q.4 Table Q.4 Variable Value a) ptr b) &ptr c) *ptr d) &mark[2] e) average_mark
Q.4 A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Given the C code and memory content mapping shown in Figure Q.4, complete the Table Q.4 to predict the value after program execution. RAM #include void calculate_average(char mark[], float "average, int size) 0x0010 0000 { for (int i=0; i< size; i++) { *average = "average + mark[i]; 0x0020 0000 average_mark } "average = "average / size; 0x0030 0000 ptr FLY int main() { 0x0040 0000 mark[0] char mark[5]=(50, 80, 95, 34, 99}; float average_mark = 0; mark[1] float *ptr=&average_mark; calculate_average(mark, ptr, 5); mark[2] mark[3] return 0; mark[4] Figure Q.4 Table Q.4 Variable Value a) ptr b) &ptr c) *ptr d) &mark[2] e) average_mark
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![Q.4 A pointer is a variable whose value is the address of another variable, i.e., direct address
of the memory location. Given the C code and memory content mapping shown in
Figure Q.4, complete the Table Q.4 to predict the value after program execution.
RAM
#include <stdio.h>
void calculate_average(char mark[], float "average, int size)
0x0010 0000
{
for (int i=0; i< size; i++)
{
*average = "average + mark[i];
0x0020 0000
average_mark
}
"average = "average / size;
0x0030 0000
ptr
FLY
int main()
{
0x0040 0000
mark[0]
char mark[5]=(50, 80, 95, 34, 99};
float average_mark = 0;
mark[1]
float *ptr=&average_mark;
calculate_average(mark, ptr, 5);
mark[2]
mark[3]
return 0;
mark[4]
Figure Q.4
Table Q.4
Variable
Value
a) ptr
b) &ptr
c) *ptr
d) &mark[2]
e) average_mark](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c1d8adf-5b02-4c85-96d6-dc8d33317672%2F9913a7e6-f54b-403b-83a1-b8309e6fd397%2F1j1feqr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.4 A pointer is a variable whose value is the address of another variable, i.e., direct address
of the memory location. Given the C code and memory content mapping shown in
Figure Q.4, complete the Table Q.4 to predict the value after program execution.
RAM
#include <stdio.h>
void calculate_average(char mark[], float "average, int size)
0x0010 0000
{
for (int i=0; i< size; i++)
{
*average = "average + mark[i];
0x0020 0000
average_mark
}
"average = "average / size;
0x0030 0000
ptr
FLY
int main()
{
0x0040 0000
mark[0]
char mark[5]=(50, 80, 95, 34, 99};
float average_mark = 0;
mark[1]
float *ptr=&average_mark;
calculate_average(mark, ptr, 5);
mark[2]
mark[3]
return 0;
mark[4]
Figure Q.4
Table Q.4
Variable
Value
a) ptr
b) &ptr
c) *ptr
d) &mark[2]
e) average_mark
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