1
GATE CSE 2002
+2
-0.6
Consider the following multiplexer where $$10, 11, 12, 13$$ are four data input lines selected by two address line combinations $${A_1}\,{A_0} = 00,01,10,11$$ respectively and $$f$$ is the output of the multiplex (or). $$EN$$ is the Enable input.

The function $$f(x,y,z)$$ implemented by the above circuit is

A
$$xyz'$$
B
$$xy+z$$
C
$$x+y$$
D
None of the above
2
GATE CSE 2001
+2
-0.6
Consider the circuit shown below. The output of a $$2:1$$ Mux is given by the function $$(ac+bc)$$

Which of the following is true?

A
$$f = x_1^1 + {x_2}$$
B
$$f = x_1^{\,1} + {x_2} + {x_1}x_2^{\,1}$$
C
$$f = {x_1}{x_2} + {x_1}^1{x_2}^1$$
D
$$f = {x_1} + x_2^1$$
3
GATE CSE 1996
+2
-0.6
Consider the circuit in Fig. Which has a four bit binary number $${b_3}\,{b_2}\,{b_1}\,{b_0}\,$$ as input and a five bit binary number $${d_3}\,{d_2}\,{d_1}\,{d_0}\,$$ as output. The circuit implements:
A
Binary to Hex conversion
B
Binary to $$BCD$$ conversion
C
Binary to grey code conversion
D
Binary to radix -$$12$$ conversion
4
GATE CSE 1996
+2
-0.6
Consider the circuit in fig shown $$f$$ implements
A
$$\overline A \overline B C + \overline A B\overline C + ABC$$
B
$$A+B+C$$
C
$$A \oplus B \oplus C$$
D
$$AB + BC + CA$$
GATE CSE Subjects
EXAM MAP
Medical
NEET