Disk Operating System (DOS) Question: Download DOS (Disk Operating System) PDF

..... is the layer of a computer system between the hardware and the user program.

a. Operating environment
b. Operating system
c. System environment
d. None

b. Operating system

Previous Question	Next Question
..... runs on computer hardware and serve as platform for other software to run on: a. Operating system b. Application software c. System software d. All	The primary purpose of an operating system is ..... . a. To make the most efficient use of the computer hardware b. To allow people to use the computer c. To keep systems programmers employed d. To make computers easier to use