
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

Pune University - FY BSc ELECTRONICS (Paper - II), April 2010 (Old Course)

3 pages, 32 questions, 0 questions with responses, 0 total responses,

	pune_sci	+Fave Message
	Profile Timeline Uploads Q & A

Home > pune_sci >

Instantly get Model Answers to questions on this ResPaper. Try now!
NEW ResPaper Exclusive!

Formatting page ...

Total No. of Questions : 5] [Total No. of Printed Pages : 3 [3718]-57 F. Y. B. Sc. (Computer Science) Examination - 2010 ELECTRONICS PAPER - II DIGITAL ELECTRONICS (Old 2004 Pattern) Time : 3 Hours] [Max. Marks : 80 Instructions : (1) All questions are compulsory. (2) Use of non-programmable calculator is allowed. (3) Draw neat diagrams wherever necessary. Q.1) Attempt all of the following : (a) Draw logic symbols for : (i) AND Gate (ii) (b) [8x2=16] NOR Gate Convert given decimal number into binary number : (47)10 (c) Give statements of De-Morgan s Theorem. (d) Define Encoding. (e) Define : (i) (ii) [3718]-57 Accuracy Resolution 1 P.T.O. (f) List different types of Shift Register. (g) Identify the following IC s : (i) IC 74158 (ii) (h) IC 74138 Define Monostable Multivibrator. Q.2) Attempt any four of the following : [4x4=16] (a) Perform the following subtraction using 2 s Complement Method : (29)10 (34)10 (b) Simplify the following expression using Boolean Algebra : y= A+B d i dC + D i (c) What is Decoding ? With logic diagram explain working of 3 to 8 decoder. (d) Draw circuit diagram of Crystal Oscillator using Inverters and explain its working. Explain working of a 3-bit Ripple Counter with timing diagram. (e) (f) Find output voltage from 4-bit R-2R ladder type DAC for a digital input 1010. Assume that 0 = 0 volts and 1 = +10 volts. Q.3) Attempt any four of the following : (a) [4x4=16] (b) What do you mean by Memory Refreshing ? For which type of memory it is required ? Differentiate between SRAM and DRAM. Construct all basic gates using NAND Gate. (c) Convert the following into gray code : (i) (ii) (31)8 (31)10 (d) Explain weighted and non-weighted codes with suitable examples. (e) Explain working of Binary Weighted Register type of Digital to Analog Converter. (f) With logic diagram, explain SR Flip-Flop. [3718]-57 2 Contd. Q.4) Attempt any two of the following : [2x8=16] (a) A receiver received Hamming Code 1011011 with even parity. Find error in the received code and give corrected code. (b) Explain working of 3 bit flash type ADC. Why is it useful in high speed operations ? (c) What is Karnaugh Map ? Give layout of four variable K-map. Simplify the following Boolean Equation using K-map. Y = A BCD + AB CD + ABC D + ABCD + ABC D + A B C D + A B CD + A B C D (d) What do you mean by Multiplexer Tree ? How will you construct 32 : 1 multiplexer using 16 : 1 multiplexer ? Q.5) Attempt any one of the following : (a) [1x16=16] Draw internal block diagram of IC 555. Explain how it works as an Astable Multivibrator. (ii) (b) (i) With the help of suitable diagram, explain working of 4-bit Universal Adder/Subtractor. (i) What are the different types of ROM ? Explain working of Diode Matrix ROM . (ii) Explain working of JK Flip-Flop with logic diagram and truth table. What is Race-around Condition ? How it can be avoided ? [3718]-57/3

Formatting page ...

Additional Info : F.Y. B.Sc. ELECTRONICS (Paper - II) : Digital Electronics (Old 2004 Pattern), Pune University
Tags : fy bsc computer science question papers, fybsc electronics paper II, Digital Electronics fundamentals, 2004 Pattern, old course, pune university exam papers, university of pune question papers, pune university science, pune university courses, bsc pune university, msc pune university, pune university solved question papers, pune university model question paper, pune university paper pattern, pune university syllabus, old question papers pune university

pune_sci chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: