Answer:
Process
Explanation:
In older systems, the user interface mainly consisted of process-control screens that allowed a user to send commands to the system. These systems were used in a great variety of industries, and it gave the user control over process measurements or process variables. It also allowed the user to view the current state of the process, modify the operation of the process, and perform other related actions.
Data is checked to make sure it is complete
<span>Layer 1, provides physical
connections for transmission and performs the electrical encoding of
data. This layer transforms bits to electrical signals.
The lowest, or first, layer of the OSI model. Protocols in the physical
layer generate and detect signals so as to transmit and receive data
over a network medium. These protocols also set the data transmission
rate and monitor data error rates, but do not provide error correction.</span>
A) hotspot
Bluetooth is for short distance and pan is Personal area networks (PANs) connect an individual's personal devices
