Final answer:
The correct definition for bandwidth is B. the range of frequencies within a given band, particularly used for transmitting a signal. It concerns the capacity of the channel to carry information rather than the speed of data transfer.
Step-by-step explanation:
The correct definition for bandwidth is: B. the range of frequencies within a given band, in particular that used for transmitting a signal. Bandwidth is a term often used in the context of computers and technology, specifically in reference to communication channels such as television and radio broadcasting, or internet connectivity.
Television signals, for example, need to carry both audio and visual information, requiring a larger bandwidth to accommodate the range of frequencies necessary to transmit this data. For instance, TV channels in the VHF range use frequencies between 54 to 88 MHz and 174 to 222 MHz, while UHF channels broadcast in a higher range of 470 to 1000 MHz.
The term bandwidth can sometimes be confused with the rate of data transfer, such as in Mbps (megabits per second), but it more accurately refers to the capacity of a channel to carry information rather than the speed of transmission. Thus, option D, which includes other definitions, does not fully capture the essence of bandwidth as a term in this context.