Answer:
IEEE 1394 supports more devices on a single bus
Explanation:
What this means is that IEEE 1394 provides a single plug-and-socket connection on which up to 63 devices can be attached with data transfer speeds up to 400 Mbps (megabit s per second). The standard describes a serial bus( A shared channel that transmits data one bit after the other over a single wire or fiber) or pathway between one or more peripheral devices and your computer's microprocessor .
The answer is A, a virus. Spam can become a virus but only if it tricks you into downloading something.
Answer:
input Devices, Processing Devices, Output Devices, Memory/Storage Devices
Explanation: