“The one program running at all times on the computer” is the:

“The one program running at all times on the computer” is the:

A. Kernel
B. Software
C. Windows
D. Task Manager

A more common definition is that the operating system is the one program running at all times on the computer (usually called the kernel), with all else being application programs. An operating system is concerned with the allocation of resources and services, such as memory, processors, devices, and information.