Shivaji University 2005 B.E Computer Science Switching Theory And Logic Design - exam paper
Sunday, 19 May 2013 11:55Web
Y-310
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2005
SHIVAJI UNIVERSITY, KOLHAPUR
SWITCHING THEORY AND LOGIC DESIGN
Day and Date: Saturday, 14-5-2005 Total Marks: 100
Time: 3.00pm to 6.00pm
Instructions: 1) ques. no.1st and fifth are compulsory.
2) Attempt any 2 ques. from every part.
3) Figures to right indicate full marks.
SECTION-1
Q.1.A) what is universal gate? discuss NAND gate as a universal gate.[Marks 8]
B) Perform the subsequent conversions:[Marks 8]
1) (AGC.8)16= Hexadecimal to octal
2) (713)8 Octal to binary
3) (49.78)10 decimal to binary
4) (1111.11)2 binary to decimal
Q.2) A) Draw J-K flip-flop with clock clear, preset and write truth table. [Mark 8]
B) Draw the subsequent flip-flops and write down excitation table: [Marks 8]
1) D flip-flop
2) T flip-flop
Q.3) A) Minimize the logical formula using K-map.[Marks 8]
Y=ABC+ABCD+AD+BCD
B) Simplify the subsequent formula using K-map and implement using NAND gate:[Marks 8]
F=ABC+AB+ABC+AD+BCD.
Q.4) A) Design using combinational logic circuits to get two’s complement of 4-bit binary number.[Marks 8]
B) Perform the subsequent asthmatic operations:[Marks 8]
1. (48)10-(23)10 using 2’s complement
2. (29)10-(52)10 using 2’s complement
Q.5 Write a short note on any three: [Marks 18=6*3]
1. Race around condition.
2. Comparison of RAM and ROM
3. Specification of TTL.
4. ALU.
SECTION-2
Q.6) a) Draw and discuss a design of MOD-6 counter.[Marks 8]
b) provide a block diagram of BCD to binary converter? discuss its operations with truth table.[Marks 8]
Q.7) what is shift register? How it is classified? With a typical example discuss working of a shift register and provide its waveforms. [Marks 16]
Q.8) a) what is modulus of counter? discuss with suitable diagram working of a MOD-6 counter.[Marks 10]
b) discuss in detail design of a synchronous counter.[Marks 6]
Q.9 Short notes on: [Marks 18=6*3]
a) UP-DOWN counter
b) Priority encoder
c) 7- segment display
Earning: Approval pending. |