Q73
Which is the layer of a computer system between the hardware and the user program
A.
Operating environment
B.
Operating system
AnswerC.
System environment
D.
None
Answer: Option B
Solution
Answer: Option B
Solution:
Operating system is the layer of a computer system between the hardware and the user program. For the most part, the IT industry largely focuses on the top five OSs, including Apple Mac OS, Microsoft Windows, Google's Android OS, Linux Operating System, and Apple I OS.