The following configuration of the logic gate is equivalent to
1. NAND gate
2. XOR gate
3. OR gate
4. NOR gate
To get output 1 for the following circuit, the correct choice for the input is
(1)
(2)
(3)
(4)
The output (x) of logic circuit shown in figure will be
(1)
(2)
(3)
(4)
The figure shows a logic circuit with two inputs A and B and the output C.The voltage wave forms across A, B and C are as given.The logic circuit gate is
1. OR gate 2. NOR gate
3. AND gate 4. NAND gate
Symbolic representation of four logic gates
are shown as
(i)
(ii)
(iii)
(iv)
Pick out which ones are for AND, NAND and
NOT gates, respectively.
(a) (iii), (ii)and (i)
(b) (iii), (ii) and (iv)
(c) (ii), (iv) and (iii)
(d) (ii), (iii) and (iv)
The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given
The logic gate is
(1) gate
(2) gate
(3) gate
(4) gate
The symbolic representation of four logic gates
(i) (ii)
(iii) (iv)
The logic symbols for and gates are respectively
(a) (iii), (iv), (ii) (b) (iv), (i), (iii)
(c) (iv), (ii), (i) (d) (i), (iii), (iv)
The circuit is equivalent to
1. AND gate 2. NAND gate
3. NOR gate 4. OR gate
Given below are symbols for some logic gates
The XOR gate and NOR gate respectively are
(a) 1 and 2 (b) 2 and 3
(c) 3 and 4 (d) 1 and 4
Given below are four logic gate symbol (figure). Those for OR, NOR and NAND are respectively
(a) 1, 4, 3 (b) 4, 1, 2
(c) 1, 3, 4 (d) 4, 2, 1