Answer:
Memory-mapped I/O and port-mapped I/O are two complementary methods of performing input/output between the central processing unit and peripheral devices in a computer. An alternative approach is using dedicated I/O processors, commonly known as channels on mainframe computers, which execute their own instructions.
a cloud phone system is a Voice over IP (VoIP) based business telephoneplatform that is hosted by a third-party provider such as OnSIP. Cloud phonesystems typically offer advanced security and telephony features such as: extension dialing, auto attendants, and conference bridges
<span>C. Get the help of someone with specialized knowledge in the area.</span>
Answer: D
Local news channels
Explanation:
Since Jack is trying to improve local service the local news would be the best fit to reach the maximum amount of people in his area.