C Syntax
Six of C's primitive types
What are char, short, int, long, float, double?
The operators used to get the memory address of a variable and to get the value at a memory address
What are & and *?
This program segment stores uninitialized global variables
What is the BSS segment?
The format specifier to print a string
What is %s?
Line that defines a constant named SIZE with the value 16
What is #define SIZE 16?
int arr[5] = {2, 4, 6, 8, 10};
An expression equivalent to the following (not using the index operator):
arr[3]
What is *(arr+3)?
The process of deciding when programs get to run on the CPU
What is scheduling?
The output of
char x[] = "Hello MOPS";
x[1] = 'a';
x[5] = 0;
printf("%s\n", x);What is Hallo?
Result of the following program:
int x = 5; int y = x++; return y - x;
What is 1?
The output of this program:
char *a[] = {"Mechanics", "of", "Programming", "S"};
char **b[] = {a, a+2};
b[0]++;
printf("%s\n", b[0][1]);What is Programming?
The three jobs of an operating system
What are protection, abstraction, and resource management?
The line needed to read an integer into the variable x
What is scanf("%d\n", &x);?
The output of this program:
#define FIVE 2+3
#define ALPHA FIVE*5
#define BETA 4/ALPHA
printf("%d\n", BETA);What is 17
The output of this program:
void foo(int *x, int *y, int *z) {
*x += *y * *z;
}
int main(void) {
int n = 2;
int k = 3;
foo(&n, &k, &k);
foo(&k, &n, &k);
printf("%d, %d\n", n, k);
}What is 11, 36?
The structure that maps virtual memory addresses to physical addresses
What is a page table?
The bug in this program to find the length of a string:
int string_len(char *s) {
int i = 0;
while (s[i] != '0') {
i++;
}
return i;
}What is comparing s[i] with '0' instead of 0 (or '\0'