Question

Q.4.1. Given the following statements, place the address operator (&) appropriately into (1) ……, (2) ……, and/or (3) …… so that we can get valid declarations.
float aFloat = 5.5;
float *pFloat = (1)……… aFloat;
float **ppFloat = (2)………pFloat;
void *pVoid = (3)……….pFloat;

a. (1), (2)
b. (1), (3)
c. (2), (3)
d. (1), (2), (3)
e. Others

Q.4.2. Given the following function calls, which ones are used correctly to read a character and an integer number from a formatted text file controlled by pFile into variables aChar and anInteger, respectively?
(i). fputc (&aChar, pFile);
(ii). aChar = fgetc (pFile);
(iii). fscanf (pFile, “%d”, &anInteger);
(iv). fread (anInteger, sizeof (int), 1, pFile);
a. (i), (ii), (iii), (iv)
b. (i), (iv)
c. (ii), (iv)
d. (ii), (iii)
e. Others

Answer 1

(4.1)
float aFloat = 5.5;
float *pFloat = &aFloat;
float **ppFloat = &pFloat;
void *pVoid = &pFloat;
option (d) is correct.

(4.2)
(ii). aChar = fgetc (pFile);
(iii). fscanf (pFile, “%d”, &anInteger);
option (d) is correct.