What will be the output of Q if J is HIGH, PS and CLR are  HIGH, and the clock is going negative?

1 Answer

Answer :

Set, or HIGH (1).

Related questions

Description : How is the J-K FF affected if PS and CLR are both LOW?

Last Answer : The flip-flop is jammed.

Description :  A J -K flip-flop with J= 1 and K= 1 has a 20 kHz clock input. The Q output is : (A) Constant and low (B) Constant and high (C) A square wave with 20 kHz frequency (D) A square wave with 10 kHz frequency

Last Answer : a

Description : For JK flipflop J = 0, K=1, the output after clock pulse will be (A) 1. (B) no change. (C) 0. (D) high impedance.

Last Answer : Ans: C J=0, K=1, these inputs will reset the flip-flop after the clock pulse. So whatever be the previous output, the next state will be 0.

Description : For JK flip flop with J=1, K=0, the output after clock pulse will be (A) 0. (B) 1. (C) high impedance. (D) no change.

Last Answer : (B) 1.

Description : In a positive-edge-triggered JK flip-flop, if J and K both are high then the output will be ............. on the rising edge of the clock. (A) No change (B) Set (C) Reset (D) Toggle

Last Answer : (D) Toggle 

Description : In a positive edge triggered JK flip-flop, J = 1, K = 0 and clock pulse is rising, Q will be (a) 0 (b) 1 (c) showing no change (d) toggle 

Last Answer : In a positive edge triggered JK flip-flop, J =1, K= 0 and clock pulse is rising, a Q will be 1

Description : The output of a JK flipflop with asynchronous preset and clear inputs is 1'. The output can be changed to 0' with one of the following conditions. (A) By applying J = 0, K = 0 and using a clock. (B) ... (C) By applying J = 1, K = 1 and using the clock. (D) By applying a synchronous preset input.

Last Answer : Ans: C Preset state of JK Flip-Flop =1 With J=1 K=1 and the clock next state will be complement of the present state.

Description : How many clock pulses are required to output a 4-bit number in serial form?

Last Answer : Four.

Description : In the figure, PSDA is a parallelogram. Points Q and R are taken on PS such that PQ = QR= RS and PA || QB || RC. -Maths 9th

Last Answer : Given In a parallelogram PSDA, points 0 and R are on PS such that PQ = QR = RS and PA || QB || RC. To prove ar (PQE) = ar (CFD) Proof In parallelogram PABQ, and PA||QB [given] So, ... = ΔDCF [by ASA congruence rule] ∴ ar (ΔPQE) = ar (ΔCFD) [since,congruent figures have equal area] Hence proved.

Description : In the figure, PSDA is a parallelogram. Points Q and R are taken on PS such that PQ = QR= RS and PA || QB || RC. -Maths 9th

Last Answer : Given In a parallelogram PSDA, points 0 and R are on PS such that PQ = QR = RS and PA || QB || RC. To prove ar (PQE) = ar (CFD) Proof In parallelogram PABQ, and PA||QB [given] So, ... = ΔDCF [by ASA congruence rule] ∴ ar (ΔPQE) = ar (ΔCFD) [since,congruent figures have equal area] Hence proved.

Description : Let PS be the median of the triangle with vertices P(2, 2), Q(6, –1) and R(7, 3). -Maths 9th

Last Answer : (b) a = √2b Let D be the mid-point of BC. Then D ≡ \(\bigg(rac{a+0}{2},rac{0}{2}\bigg)\)i.e. \(\bigg(rac{a}{2},0\bigg)\)Let E be the mid-point of AC, thenE = \(\bigg(rac{a+0}{2},rac{0+b}{2}\bigg)\) = \(\bigg ... \(rac{b}{a}.\)∴ From (i), \(rac{-2b}{a}\) x \(rac{b}{a}\) = -1⇒ 2b2 = a2 ⇒ a = √2 .

Description : P and Q invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and P’s share is Rs. 855, the total profit is: A.Rs. 1435 B.Rs. 1500 C.Rs. 1538 D.Rs. 1580

Last Answer : Answer- B (Rs.1500) Explanation: Let the total profit be Rs. 100. After paying to charity, A’s share = Rs. 95 x 3/5 = Rs. 57. If A’s share is Rs. 57, total profit = Rs. 100. If A’s share Rs. 855, total profit =(100/57) x 855 = 1500.

Description : Divide Rs 1728 among P, Q, R in such way that 8 times P's share is 12times Q's share and is 6 times R's share. How much does each get? A) Rs. 576,384,768 B) Rs. 588,392,484 C) Rs. 592, 384, 652 D) None of the above

Last Answer : Answer: A)  Given, 8P=12Q=6R  4P=6Q=3R=>4P=6Q=>6/4Q=>P=3/2Q  6Q=3R R=6Q/3=2Q  Then, P+Q+R=1728  3/2Q+Q+2Q=1728  3Q+2Q+4Q=3456  9Q=3456  Q=384  P=3/2Q =3/2*384=576,R=2Q=768  A:B:C=576:384:768

Description : P, Q & R are three partners start a business. Thrice P’s capital is equal to four times Q’s capital and Q’s capital is 6 times R’s capital. Out of a total profit Rs.35860 at the end of the year, Q’s share is A) Rs.12334 B) Rs.14344 C) Rs. 21500 D) Rs.17600

Last Answer : Answer: B) Let R = c Q = 6c P = 24c/3 = 8c P : Q : R= 8c:6c:c = 8: 6: 1 So Q’s capital = Rs. 35860 * 6/15 = Rs.14344

Description : Four persons rented a grassland. P grazed 48 goats for 3 months, Q grazed 20 goats for 5 months, R grazed 70 goats for 4 months and S grazed 42 goats for 3 months. If p’s share of rent is Rs.1420. Find the total rent of the field? A) 6410 B) 6200 C) 6400 D) 6300

Last Answer : Answer: A) Ratio of shares P,Q, R, S = 48*3 : 20 *5 : 70*4 :42*3 = 144 : 100: 280 : 126 = 72:50:140:63 Let total rent be Rs x Then P’s share = Rs. 72x/325 72x /325 = 1420 X = Rs.6410

Description : P and Q entered into a partnership with captials in the ratio 4:5. After 3 months, P withdrew 1/3 of his capital and Q withdrew 1/5 of his capital . The gain at the end of 9 Months was Rs. 775. P's shares of profit is A) 358 B) 362 C) 337 D) 345

Last Answer : Answer: C)  Investment initial of P=4x  Investment initial of Q=5x  After 3 months of P=4x*(1/3)=4x/3  After 3 months of Q= 5x*(1/5)= x  Ratio of capitals = (4x*3+3x*6: 5x*3+4x*6)=30x:39x=10:13  Total profit =775  P’s share =10/23*775=337(approx.)

Description : select the correct response from the choices given in the parentheses. Q-20. In a closed-loop configuration the output signal is determined by (the input signal, the feedback signal, both).

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