1 Answer

Answer :

A woofer should be fed from the input through a low pass filter.

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Last Answer : In successive approximation converter input to the comparator is through DAC 

Description : What sub woofer(s) should I buy to have the hardest hitting bass for outdoor parties?

Last Answer : More expensive than you want, but it’s self-powered: http://www.bhphotovideo.com/c/product/482875-REG/JBL_PRX518S_PRX518S_18_Self_Powered.html =)

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Last Answer : A small 8-10" subwoofer is as big as any truck should go.

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Last Answer : B. Woofer

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Last Answer : (i) Electrostatic speaker. The voltage is applied to the central or movable plate, the signal voltage is applied to the two outside plates causes these plates to attract or repel each other. ... to minimize the impact of this resonant frequency. (ii) Compare Woofer and Tweeter.

Description : Determine the output frequency for a frequency division circuit that contains 12 flip–flops with an input clock frequency of 20.48 MHz: (1) 10.24 kHz (2) 5 kHz (3) 30.24 kHz (4) 15 kHz 

Last Answer : Determine the output frequency for a frequency division circuit that contains 12 flip–flops with an input clock frequency of 20.48 MHz: 5 kHz

Description : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these 

Last Answer : The output of an exclusive–NOR gate is 1. Which input combination is correct? (1) A = 1, B = 0 (2) A = 0, B = 1 (3) A = 0, B = 0 (4) None of these 

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Last Answer : 5

Description : The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is  (A) 4 (B) 6 (C) 8 (D) 10

Last Answer : The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is 6

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Last Answer :  When A = 0., B = 0, C = 1 then in two input logic gate we get gate NAND gate

Description : IC which has quad 2 input AND gates   (A) 7411 (B) 7404 (C)7400 (D) 7408

Last Answer : IC which has quad 2 input AND gates 7408

Description : The output of a 2-input NAND gate with high at both the inputs will be • High • Low • High & low • None of the above.

Last Answer : The output of a 2-input NAND gate with high at both the inputs will be Low

Description : The o/p of a 2 - input OR gate is 1 when its   1. both inputs are 1 2. both inputs are 0 3.either input is 1 4. either input is 0 

Last Answer : The o/p of a 2 - input OR gate is 1 when its either input is 1 

Description : In a JK flip-flop, for what input next state is complement of the present state (A)J=0,K=0 (B)J=1,K=0 (C)J=0,K=1 (D)J=1,K=1

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Last Answer : An OR gate has 6 inputs. The number of input words in its truth table are 64.

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Last Answer : B. 2.6

Description : Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or ... under test, both working at the same temperature over the same bandwidth and fed from the same source

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Last Answer : A Seed.

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Description : Define the term 'Multiplexer'. State two examples of multiplexer.

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Last Answer : The output of a JK flip-flop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions by applying J = 1, K = 1 and using the clock 

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Last Answer : What is the 2's complement of 01101? A) 10010 B) 10011 C) 1100 D) 1001 

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Last Answer : The current mode logic (CML) is same as ECL

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Description : Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be: (1) Decimals 8 (2) Decimal 16 (3) Decimal 32 (4) Decimal 2 

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Last Answer : (c)10

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Description : Output of NAND gate is 0. for three inputs when:

Last Answer : Output of NAND gate is 0. for three inputs when: all the inputs are 1

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Description : The following logic families have their propagation delay. Arrange them from lowest propagation delay to highest propagation delay. 1. TTL (Standard) 2. ECL 3. Low power CMOS 4. DTL (A) 2, 1, 4 and 3 (B) 2, 4, 1 and 3 (C) 4, 2, 3 and 1 (D) 1, 2, 3 and 4

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Description : Read the following statements: i. Gate is a combinational logic. ii. JK Flip-flop in toggle mode is not combinational logic. iii. MSJK Flip-flop suffers from race-around. iv. Counters are sequential circuits. Which choice is correct? (A) i, ii (B) i, ii, iv (C) ii, iii, iv (D) i, ii, iii

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Description : Which of the following peripherals provide I/O facilities? i. 8279 ii. 8155 iii. 8259 iv. 8255 (A) i, ii (B) ii, iii (C) iii, iv (D) ii, iv

Last Answer : Which of the following peripherals provide I/O facilities? i. 8279 ii. 8155 iii. 8259 iv. 8255 (A) i, ii (B) ii, iii (C) iii, iv (D) ii, iv

Description : In standard TTL gates, the totem pole output stage is primarily used to (A) increase the noise margin of the gate (B) decrease the output switching delay (C) facilitate a wired OR logic connection (D) increase the output impedance of the circuit

Last Answer : In standard TTL gates, the totem pole output stage is primarily used to decrease the output switching delay

Description : Which of the following is error correcting code? (A) EBCDIC (B) GRAY (C) Hamming (D) ASCII

Last Answer : Which of the following is error correcting code? (A) EBCDIC (B) GRAY (C) Hamming (D) ASCII

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Last Answer : The number of switching functions of 3 variables is  8 

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Last Answer : 4