# In case of OR gate, no matter what the number of inputs, a

27 views

In case of OR gate, no matter what the number of inputs, a 1 at any input causes the output to be at logic 1.

## Related questions

For a NAND gate, when one or more inputs are low then the output will be A) Low B) High C) Alternately high and low D) High or low depending on relative magnitude of inputs

How many minimum number of NOR gates are required to realize a two-input X-OR gate?

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

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

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

The gate whose output is LOW, if and only if all the inputs are HIGH, is

What is the purpose of a NAND gate?

In case of a power transformer, the no load current in terms of rated current is (1) 10-20% (2) 15-30% (3) 2-6% (4) 30-50%

The output of an AND gate with three inputs, A, B and C, is HIGH when __________. a) A=1,B=1,C=0 b) A= 0,B= 0,C= 0 ' c) A=1,B=1,C=1 d) A=1,B= 0,C= 1

For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is

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 A) J = 0, K = 0 and using a clock B) J = 1, K = 0 and using the clock C) Asynchronous preset input D) J = 1, K = 1 and using the clock

The output of logic gate is '1' when all its inputs are at logic '0' The gate is (A) NAND/EX-OR (B) NOR/EX-OR (C) AND/EX-NOR (D) NOR/EX-NOR

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

The number of comparators required in a 3-bit comparator type analog to digital converter is  A) 2 B) 3 C) 7 D) 8

The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12

What does the AND gate do?

Can we create a digital circuit that has as inputs the  3- bit digital words [2: 0] A, [2: 0] B and [2: 0] C and its output is  equal to      |C-A-B| . The circuit of the binary full adder is known.

The minimum number of NAND gates required to implement a XOR gate is  A) 5 B) 4 C) 3 D) 6

When A = 0., B = 0, C = 1 then in two input logic gate we get gate  (A) XOR gate (B) AND gate (C) NAND gate (D) NOR gate

The decimal equivalent of a Hexadecimal no. (F8E6)16 is

What is an inverter gate?

No. of flip-flops used in decade counter (a) 3 (b) 2 (c) 4 (d) None of these

A NOR gate is equivalent to a bubbled AND gate. This statement is an outcome of: (1) De Morgan’s Law (2) Involution Law (3) Law of Absorption (4) Idempotent Law

What is the Gray code word for the binary number 101011?  (1) 101011 (2) 110101 (3) 011111 (4) 111110

Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem

Which of the following gate is inverted OR gate?  (A) NAND (B) NOR (C) AND (D) EX-OR

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

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

In the 8421 BCD code the decimal number 125 is written as   (A) 1111101 (B) 0001 0010 0101 (C) 7D (D) None of the bove

In a hydel power station, the number of poles of an alternator is 24. At what rpm the alternator must be driven to produce 50 Hz voltage?

What is the maximum number of circuit breakers in a panel?

The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure Which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly and repeatedly. The following inference can be made from this  A) The signals are not sinusoidal ... but not equal C) The signals are sinusoidal with their frequencies very close but not equal D) There is a constant but small phase difference between the signals

The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is  A) 1 B) 2 C) 3 D) 4