____ makes an existing file available for data to be added to the end of the file; if the file opened does not exist, a new file with the designated name is created and made available to receive output from the program.
A)fileOut = fopen("prices.dat","r");
B)fileOut = fopen("prices.dat","w");
C)fileOut = fopen("prices.dat","a");
D)fileOut = fopen("prices.dat","b");

Question

Quizplus · Accepted Answer

The "a" mode in fopen() opens a file for appending. If the file exists, it adds data to the end of the file. If it doesn't exist, it creates a new file.

____ Makes an Existing File Available for Data to Be