Answer:
An operating system is something that controls the functions of an application software(app). The app does specific tasks for the end-user; the end user is someone who is, or is supposed to, use a product. The app uses API to request services from the operating system. If the user is interacting direct with software, it is an application software.
Explanation:
Answer:
Yes, is should work
Explanation:
USB is widely adopted and supports both forward and backward compatibility. The USB 3.0 printer should work with the USB 2.0 computer. However, having a connection like this, the printer will only be able to work at the speeds of the computer’s USB 2.0. By default, USB is built to allow transfer speeds improvement with upgrades from previous generations while still maintaining compatibility between devices that are supported by them.
Answer:
b
Explanation:
C and D have equivalent iterations
C: D:
99 990
90 900
81 810
72 720
63 630
54 540
45 450
36 360
27 270
18 180
9 90