Question 1 (1 point) In the circuit from below: c D :D DD D Х If A=1, B=0, C=1, D=0, then X=? OX=0 X=0 OX=1 Question 2
Posted: Sat Feb 19, 2022 3:29 pm
Question 1 (1 point) In the circuit from below: c D
DD D Х If A=1, B=0, C=1, D=0, then X=? OX=0 X=0 OX=1
Question 2 (1 point) This Boolean expression: AB + A(B + C) + B(B + C) + C may be reduced to which expression from below? (Note: !A means A NOT). AB+!AB+!B!C BC+A!B+!B!C A!BC AB!C
Question 3 (2 points) In the circuit from below, the last input of GATE 3 is open (floating). A .DD* 2 A 3 OPEN If A=1, B=0, C=1 and D=1, the output Z is equal to: Z=0 Z=1 OZ can't be determined
Question 4 (1 point) U1A 2 B 7400 U1C 9 10 7400 C U1B D 7400 In the circuit from above, A=1, B=1, C=0, D=0, and the output X=0. Choose the correct statement from below. Considering the inputs are correct, X=0 is the right output.
7400 U1B D 7400 In the circuit from above, A=1, B=1, C=0, D=0, and the output X=0. Choose the correct statement from below. Considering the inputs are correct, X=0 is the right output. Considering the inputs are correct, X should be 1, and the reason for reading 0 at the output is most likely an open at pin 9. Considering the inputs are correct, X should be 1, and the reason for reading O at the output is most likely an open at pin 10. Considering the inputs are correct, X should be 1, and the reason for reading O at the output is most likely an open at pin 6.
Question 5 (1 point) The logic function associated to the output Z in the circuit from below is: DO D Z B с NOTE: !A means NOT(A). The exclamation mark placed in front of a variable has the meaning of an inverter. Z=!AC+B!C Z=!(!AC)+!(B!C) Z=!(!(!AC)+!(B!C))
In the circuit below, A, B, and C are contacts normally open, Q is a lamp and L1 is 5 Vand L2 is GRND. Select all the right statements from below: LI 4 HE B A TI A LIH In order for Q to be ON, is enough to have the contact A closed. In order for Q to be ON, we need the contact B to be closed AND the contact A to be open. In order for Q to be ON, we only need the contact A to be closed AND contact C to be open In order for 0 to be On we must have the contact A closed AND the contact R
Question 7 (1 point) The output of the following gate circuit (U3) is always high, no matter what state switches A and B are in. 3 6 U Output 9 -- U 12 ki Which of these possibilities could account for the output of U3 always being HIGH: The output of U1 is stuck HIGH. R2 is shorted out. The output of Us is stuck HIGH. R3 is shorted out.
Question 8 (1 point) In the circuit from below, switch Ais closed, switch B is open and the lamp C is off. Is there any problem? Voltage source (+1 A С 2 fort switch lamp B switch There is a problem, the lamp C should be on as long as the switch A is closed; either the lamp is burned, or the voltage source is disconnected.
А. C switch lamp B switch There is a problem, the lamp C should be on as long as the switch A is closed either the lamp is burned, or the voltage source is disconnected. There is no problem, the lamp C should be off because it is short-circuited by switch A being closed. There is a problem, the lamp C should be on as long as the switch B is open; most likely the lamp is burned. There is no problem, since the lamp C should be off as long as switch B is open.
Question 9 (1 point) In the circuit from below, switch A is closed, switch B is open and the lamp C is off. Voltage source (+1 A B С switch switch lamp Select a correct statement from the following: The bulb C should be ON as long as one switch is closed; since lamp C is off, it is very likely that the bulb C is burned. The bulb C should be ON as long as one switch is closed; it is very likely that the source is disconnected.
(+1 A B С switch switch lamp Select a correct statement from the following: The bulb C should be ON as long as one switch is closed; since lamp C is off, it is very likely that the bulb C is burned. The bulb C should be ON as long as one switch is closed; it is very likely that the source is disconnected. The bulb C is OFF because switch B is open. In order to have the bulb Con, we should have it connected in parallel with the open switch
Question 10 (1 point) D org D The circuit from the schematic above could have the output f represented by this logic function: fr!c!d+!(!ab+a!b)+d(ab+la!b) True False
Question 11 (1 point) The Boolean expression here: [AB(C + BD) + AB]C can be simplified to which expression from below? !BC OBC BC !B!C
Question 12 (2 points) Relative to the circuit illustrated below Va Vac Schematic 5-vot regulated DC power supply + 140604 one could say: The LED will turn ON when the push-button is pressed down and will be OFF when the push-button is released. The LED will turn OFF when the push-button is pressed down and will be ON when the push-button is open. The LED will turn ON regardless the position of the push-button. The LED will turn OFF regardless the position of the nuch-hutton
Question 13 (1 point) А B 2. --- 13 — х 3 с 2 IN 7400 7432 format. 2 In the circuit from above, A=1, B=0, C-0, and the output X-0. Considering the inputs are correct, the output X-O is correct. Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 2 of the 7400 is open, Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 1 of the 7400 is open. Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 2 of the 7400 is shorted.

Question 2 (1 point) This Boolean expression: AB + A(B + C) + B(B + C) + C may be reduced to which expression from below? (Note: !A means A NOT). AB+!AB+!B!C BC+A!B+!B!C A!BC AB!C
Question 3 (2 points) In the circuit from below, the last input of GATE 3 is open (floating). A .DD* 2 A 3 OPEN If A=1, B=0, C=1 and D=1, the output Z is equal to: Z=0 Z=1 OZ can't be determined
Question 4 (1 point) U1A 2 B 7400 U1C 9 10 7400 C U1B D 7400 In the circuit from above, A=1, B=1, C=0, D=0, and the output X=0. Choose the correct statement from below. Considering the inputs are correct, X=0 is the right output.
7400 U1B D 7400 In the circuit from above, A=1, B=1, C=0, D=0, and the output X=0. Choose the correct statement from below. Considering the inputs are correct, X=0 is the right output. Considering the inputs are correct, X should be 1, and the reason for reading 0 at the output is most likely an open at pin 9. Considering the inputs are correct, X should be 1, and the reason for reading O at the output is most likely an open at pin 10. Considering the inputs are correct, X should be 1, and the reason for reading O at the output is most likely an open at pin 6.
Question 5 (1 point) The logic function associated to the output Z in the circuit from below is: DO D Z B с NOTE: !A means NOT(A). The exclamation mark placed in front of a variable has the meaning of an inverter. Z=!AC+B!C Z=!(!AC)+!(B!C) Z=!(!(!AC)+!(B!C))
In the circuit below, A, B, and C are contacts normally open, Q is a lamp and L1 is 5 Vand L2 is GRND. Select all the right statements from below: LI 4 HE B A TI A LIH In order for Q to be ON, is enough to have the contact A closed. In order for Q to be ON, we need the contact B to be closed AND the contact A to be open. In order for Q to be ON, we only need the contact A to be closed AND contact C to be open In order for 0 to be On we must have the contact A closed AND the contact R
Question 7 (1 point) The output of the following gate circuit (U3) is always high, no matter what state switches A and B are in. 3 6 U Output 9 -- U 12 ki Which of these possibilities could account for the output of U3 always being HIGH: The output of U1 is stuck HIGH. R2 is shorted out. The output of Us is stuck HIGH. R3 is shorted out.
Question 8 (1 point) In the circuit from below, switch Ais closed, switch B is open and the lamp C is off. Is there any problem? Voltage source (+1 A С 2 fort switch lamp B switch There is a problem, the lamp C should be on as long as the switch A is closed; either the lamp is burned, or the voltage source is disconnected.
А. C switch lamp B switch There is a problem, the lamp C should be on as long as the switch A is closed either the lamp is burned, or the voltage source is disconnected. There is no problem, the lamp C should be off because it is short-circuited by switch A being closed. There is a problem, the lamp C should be on as long as the switch B is open; most likely the lamp is burned. There is no problem, since the lamp C should be off as long as switch B is open.
Question 9 (1 point) In the circuit from below, switch A is closed, switch B is open and the lamp C is off. Voltage source (+1 A B С switch switch lamp Select a correct statement from the following: The bulb C should be ON as long as one switch is closed; since lamp C is off, it is very likely that the bulb C is burned. The bulb C should be ON as long as one switch is closed; it is very likely that the source is disconnected.
(+1 A B С switch switch lamp Select a correct statement from the following: The bulb C should be ON as long as one switch is closed; since lamp C is off, it is very likely that the bulb C is burned. The bulb C should be ON as long as one switch is closed; it is very likely that the source is disconnected. The bulb C is OFF because switch B is open. In order to have the bulb Con, we should have it connected in parallel with the open switch
Question 10 (1 point) D org D The circuit from the schematic above could have the output f represented by this logic function: fr!c!d+!(!ab+a!b)+d(ab+la!b) True False
Question 11 (1 point) The Boolean expression here: [AB(C + BD) + AB]C can be simplified to which expression from below? !BC OBC BC !B!C
Question 12 (2 points) Relative to the circuit illustrated below Va Vac Schematic 5-vot regulated DC power supply + 140604 one could say: The LED will turn ON when the push-button is pressed down and will be OFF when the push-button is released. The LED will turn OFF when the push-button is pressed down and will be ON when the push-button is open. The LED will turn ON regardless the position of the push-button. The LED will turn OFF regardless the position of the nuch-hutton
Question 13 (1 point) А B 2. --- 13 — х 3 с 2 IN 7400 7432 format. 2 In the circuit from above, A=1, B=0, C-0, and the output X-0. Considering the inputs are correct, the output X-O is correct. Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 2 of the 7400 is open, Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 1 of the 7400 is open. Considering the inputs are correct, the output X should be 1 and the most likely reason for the faulty reading is that pin 2 of the 7400 is shorted.