MMMUT Electronics and Communication Engineering previous year question paper for MATHEMATICS (BEC 201), semester 3, Minor 1 2026. All 11 questions are listed below, each with a written answer on Nexsus.
Paper details
Subject: MATHEMATICS (BEC 201)
Branch: Electronics and Communication Engineering
Semester: 3
Exam: Minor 1 2026
Questions: 11
Questions asked in MATHEMATICS Minor 1 2026
Q1(a). State De Morgan's Theorems. Implement Boolean expression using NOR gates only. Y = A^B + C^ [3 marks]
Q1(a)(i). State De Morgan's Theorems. Implement Boolean expression using NOR gates only. Y = A^B + C^ [3 marks]
Q1(a)(ii). Find 10's complement of the given decimal number. (a) 76.34 (b) 0.456
Q1(b). Minimize the following four variable logic function using K-Map. f(A,B,C,D) = A^B^CD + A^B^CD + A^B^C^ + A^B^D^ + A^C^ + A^B^C^ + B^ [2 marks]
Q1(c). Define the SSI, MSI, LSI and VLSI logic circuits in Digital Electronics. [2 marks]
Q2(a). What is the Difference between combinational and sequential logic circuits. [3 marks]
Q2(a)(ii). What is Race-around condition in J-K flip-flop?
Q2(b). Implement the function; f (A, B, C, D) = ∑m (0,1,3,4,7,8,9,11,14,15) using 8X1 MUX taking C as input and A, B, D as selection lines. [2 marks]
Q2(c). What is the decoder? Explain with the help of block diagram. Implement the full adder with a decoder circuit. [2 marks]
QQ1.. Attempt any Two parts of the following. Q. 1 (a) is compulsory.
QQ2.. Attempt any Two parts of the following. Q. 2 (a) is compulsory.