CS2110 Flashcard 4 Review

Front

An array arr is declared with the C expression int arr[20];. The expression arr[21] will lead to an index-out-of-bounds error.

Back

False

Front

We want to print the address of the string str to the console using printf(). Which format string should replace the empty space in the following C expression? printf(“address: ___”, str);

Back

%p

Front

An array arr is declared with the C expression int arr[10]. What will the expression sizeof(arr) equal?

Back

The number of bytes in the entire array

Front

The following string definition using array notation is correct. char str[] = {‘n’,s ‘i’, ‘c’, ‘e’};

Back

False

Front

A struct containing a char pointer must be malloced within a function and its pointer returned. The struct is malloced successfully. The malloc call for the char pointer returns NULL. Which action will not cause any errors later on? Options: Return NULL, Free the char pointer, then return NULL, Free the struct pointer, then return NULL, Free the struct pointer, then return the struct pointer

Back

Free the struct pointer, then return NULL

Front

What does sizeof(int) return?

Back

Unknown

Front

What does this code block print?
Options:
arr[0] = 5, arr[1] = 20, arr[2] = 25, arr[3] = 20 ,
arr[0] = 5, arr[1] = 20, arr[2] = 20, arr[3] = 25 ,
arr[0] = 5, arr[1] = 20, arr[2] = 15, arr[3] = 25 ,
arr[0] = 5, arr[1] = 10, arr[2] = 15, arr[3] = 20 

Back

arr[0] = 5, arr[1] = 20, arr[2] = 25, arr[3] = 20 

Front

If the address of arr is x3000, what does arr + 2 equal?

Back

x3008

Front

Will this code compile?

Back

No

Front

Where are values defined within a function stored? Options: Heap, Code, Stack, Data

Back

Stack