The operating system is the most common type of ...... software.
Verified Answer
A. communication
B. application
C. system
D. word-processing
E. none of these
Explanation:
The operating system is the quintessential example of (C) system software. System software manages and controls the computer's hardware and provides a platform for application software. (A) Communication, (B) application, and (D) word-processing are categories of application software or functions. Thus, (C) system is correct.