LOGIC CIRCUITS, exam paper, UPTU, Exams of Analysis and Design of Digital Integrated Circuits

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AQT ATO Printed Pages : 3 BME - 403 (Following Paper ID and Roll No. to be filled in your Answer Book) POEM Rolo TT TTT B. Tech. (SEM. TV) EXAMINATION, 2006-07 LOGIC CIRCUITS Time : 3 Hours} {Total Marks : 100 Note : (1) Answer all questions. (2) All questions carry equal marks. 1 Attempt any two parts of the following : 10x2=20 (a) Minimize the following function by Tabular method. f (w, x, y, 2) = 5 (0,1,4,5,6,7,9,10,11,14,15) (b) @ Perform the following subtraction using q’s complement method. 0011-1001 - 0001-1110 qi) Explain with example how don’t care conditions are implemented in K-map minimization. (c) Design a combinational circuit that compares two 4-bit number A and B to check if they are equal or not. 2 Attempt any two parts of the following : 10x2=20 a) What are synchronous and asynchronous se- y y quential circuits? Write the procedure for the analysis of a sequential circuit. V-3078] 1 [Contd...