Digital Circuits
1
GATE ECE 1995
Subjective
+10
-0
A 'code converter' is to be designed to convert from the BCD(5421) to the normal BCD (8421). The input BCD combinations for each digit are below. A block diagram of the converter is shown in figure.
(A) draw K-map for outputs, W, X, Y, and Z.
(B) Obtain minimized expression for the outputs W, X, Y, and Z.
(A) draw K-map for outputs, W, X, Y, and Z.
(B) Obtain minimized expression for the outputs W, X, Y, and Z.
2
GATE ECE 1991
Subjective
+10
-0
The four variable function f is given in terms of min-terms as:
f (A B C D ) = $$\sum {} $$m (2,3,8,10,11,12,14,15 .)
Using the K-map minimize the function in the sum of products form. Also, given the realization using only two-input NAND gates
.
Questions Asked from Marks 10
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics