1. Simplify the function given using Karnaugh's Map. F(A,B,C,D)={(1,3,6,7,8,9,12). 2. Construct the circuit using RTL components for the function; F(A,B,C,D)=E(0,4,8,12,14). 3. Convert both numbers into binary form then construct to circuit in order to calculate the result "S" for the operation given below. Assume that no Carry was available initially. S=1453-1071

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).