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Posted Date: 02 Jan 2008 Posted By: Girish Patil Member Level: Platinum
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2006 Shivaji University B.E Computer Science SWITCHING THEORY AND LOGIC DESIGN Question paper
H-419
SECOND YEAR OF COMPUTER SCIENCE AND ENGINEERING (PART-1) EXAMINATION, 2006
SHIVAJI UNIVERSITY, KOLHAPUR
SWITCHING THEORY AND LOGIC DESIGN
Day and Date: Thursday, 8-12-2006 Total Marks: 100
Time: 2.30pm to 5.30pm
Instructions: 1) Question no.1st and 5th are compulsory
2) Attempt any two questions from each section
3) Figures to right indicate full marks.
SECTION-1
Q.1.a) Convert (859.42)16 to decimal and binary.[Marks 4]
b) Write a note on: [Marks 4]
1) D type flip-flop
2) T type flip-flop
c) Explain the read operation of semiconductor memory.[Marks 4]
d) Compare minterm and maxterm.[Marks 4]
e) Design half adder using NAND gate.[Marks 4]
Q.2 a) Explain S-R flip- flop? How to overcome it?[Marks 8]
b) Implement 16*4 memories using 16*4 memory chips.[Marks 7]
Q.3 a) Write a truth table for S-R and J-K flip flop and show block schematics for each.[Marks 8]
b) Implement 16*4 memories using 16*4 memory chips.[Marks 8]
Q.4 a) Minimize using K-map [Marks 8]
F=(A,B,C,D)=E M(0,2,4,6,8,13,15)+d(3,5)
b) Explain standard SOP and pos form of : [Marks 7]
Y= (A+B+D) (A+D)(A+B+D)(A+B+C+D)
SECTION-2
Q.5 answer any four: [Marks 20=5*4]
a) What is modulus of counter? Draw mod=10 counter.
b) Explain use of state diagrams.
c) State applications of shift registers.
d) Implement following expressions using suitable a MUX: f (a, b, c) =m (0, 4, 7)
e) Give design steps of digital circuits using MSI.
Q.6 a) Draw and explain 4-bit shift register, using waveforms. [Marks 10]
b) Convert (ACE9)16 to decimal and then octal no. [Marks 5]
Q.7) a) what is modulus of counter? Explain with suitable diagram working of a MOD-6 counter.[Marks 10]
b) Explain in detail design of a synchronous counter.[Marks 6]
Q.8 Short notes on: [Marks 18=6*3]
a) UP-DOWN counter
b) Priority encoder
c) 7- segment display
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