Answer:
D. PORT
Explanation:
A Port is the interface used to connect external devices to computer.
Ports are of various types based on the type of communication interface:
For example:
- Serial port : information transfer takes place one bit at a time.
- Parallel port : transfer of multiple bits at a time.
- Ethernet : used for connecting network cable
- USB : Universal Serial Bus
Computer peripherals like mouse,keyboard, modem, printer etc connect to the computer via the port which is in accordance with their specified communication interface.
Answer:
A. it is a repetitive approach that may produce different solutions in repeated runs.
Analog signals are MUCH harder to determine a discreet value from. By nature, analog's voltages just kind of flow into each other. Digital is very simple: voltage and it's on, logical one; no voltage, it's off, logical zero.