Answer:
3.WDM
Explanation:
WDM ( wavelength division multiplexing ) involves signals composed of light beams WDM is used in communication where fibers are used it is used for multiplexing of number of carrier signals which are made of optical fibers by using different wavelength of laser light it has different wavelength so this WDM is used for signals composed of light beams it has property of multiplexing of signal
C. a payday lender is a type of loan
English mathematician and inventor Charles Babbage is credited with having conceived the first automatic digital computer. During the mid-1830s Babbage developed plans for the Analytical Engine. Although it was never completed, the Analytical Engine would have had most of the basic elements of the present-day computer.
Answer:
web directories are much smaller and more specific than search engines
Answer:
no
Explanation:
because it designates the sum or total
