Final Answer:
The technology that offers a 64-bit width but still uses parallel communication is Parallel ATA (PATA).
Step-by-step explanation:
Parallel ATA, commonly known as PATA, is a technology that provides a 64-bit data width while still utilizing parallel communication. In PATA, data is transferred in parallel over multiple data lines, allowing multiple bits of data to be sent simultaneously. The 64-bit width refers to the size of the data bus, indicating that 64 bits of data can be transmitted or received in parallel during each clock cycle.
Despite having a 64-bit width, PATA differs from Serial ATA (SATA) in its method of data transmission. While SATA uses a serial communication method, transmitting data bit by bit over a single line, PATA uses multiple parallel data lines. This parallel communication method, although potentially more susceptible to signal interference compared to serial communication, allows for the transfer of larger amounts of data simultaneously, contributing to its 64-bit width.
It's important to note that PATA has been largely replaced by SATA in modern computing due to the latter's advantages in terms of speed, reliability, and cable management. However, understanding the historical context and technological evolution helps appreciate the development of computing interfaces and their impact on data transfer capabilities.