1. An AND gate is wired into a circuit in such a way that it doesn't modify the _ input signal; its only function is to isolate two circuits. In this application it's called (1) an Enable. #(2) a...

1. An gate AND is wired into a circuit in such a way that it doesnlt modify the input signal; its only function is to isolate two circuits. In this - applieation itis called I (1) an Enable. ubuffer. #Z) (3) an isolation amplifier. '(4) I aNAND. -.. _..: ., 2. suppose all the inputs of gate an AND are tied together and connected to the I output of an inverter gate. The logic function of the entire circuit is (1) NAND. (2) Enable. t L= A. *(s) (4) L=A. I I I I I I IJI 3. Which of the following rules is nor correct? (1) (AX1) =A (2) = (AXO) 0 #(3)A+0=0 (4)A+1=1 t. is the correct result? (1)A+AB \ +\)\ (2)A+A+AB A (3) AB . >K(+) a + e 5. How many combinations of logic l's and logic 0's aie possible for a four-input NAND gate? (L) 2 (2) 4 I F-+ 16 *(3) p A.+ (4) 32 6v 6. A simplification (x of x + y) is (1)x+y (2) | ,47;;'6 o ot fi:) ) I lt*.* 4 (4)x.y vFt 7. which one of the following is an application of exclusive oR gates? (1) Enable ! (2) Buffer : nar aoaer *g) (4) Glitches 8. which one of the following is a Boolean algebra expression for exclusive OR? (1)AB*46-=L (2)AB+lB-=L (3)Ae=L = BA + BA L {'t+l 9. Simplyfying the logic expression gives lFiE[TE) us (1) ABc. (2)A+E+e. (3) 1. o. ,L(4)58 10.Simplying the logic (S expression + T + U)(TT-I; gives us (1) sr. (2) su. (3) TU. (4) SrU. ffi