Total No. of Questions :09] [Total No. of Pages : 02

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1 EC/EI 313 (CR) Total No. of Questions :09] [Total No. of Pages : 02 III/IV B.Tech. DEGREE EXAMINATIONS, NOV/DEC First Semester EC/EI COMPUTER ORGANIZATION OPERATING SYSTEMS Time: Three Hours Answer Question No.1 Compulsory. Answer One Question from each Unit. 1. Define the following a) Full adder b) Addressing mode c) Cache memory d) Micro operation e) Subroutine f) Boot strap loader g) Control word. h) Process i) Thread j) Schedule k) Page l) Segment m) Address space n) Semaphore UNIT-I 2. Explain Addressing modes with numerical example. 3. a) Explain briefly Address sequencing b) Explain Arithmatic Micro operations. UNIT-II 4. Explain about the concept of Associative memory. 5. a) Explain about one phase of Arithmetic logic shift unit. b) Explain about Instruction cycle. 1 Maximum marks:70 14X1=14 M 4X14=56 M P.T.O

2 UNIT-III 6. Explain clearly Inter process communication. 7. Expalin about Scheduling Algorithm. 8. Explain briefly i) Logical Vs Physical address space ii) Paging Segmentation. UNIT-IV 9. Explain briefly any two page replacement Algorithms. 2

3 EC/EI 313 (CR) Total No. of Questions : 09 ] [ Total No.of Pages : 02 III/IV B. Tech. DEGREE EXAMINATIONS, MARCH / APRIL First Semester EC / EI COMPUTER ORGANIZATION AND OPERATING SYSTEMS Time : Three Hours Maximum : 70 Marks Answer Question No. 1 Compulsory. Answer ONE question from each Unit. 14x1=14 M 4x14=56 M 1. Define the following. a) Instruction cycle. b) Register. c) Handshaking. d) Control word. e) Interrupt. f) IOP. g) Mapping. h) Task. i) Task state. j) Event. k) Process. l) Schedule. m) Paging. n) Segment. UNIT - I 2. Draw and explain the construction of a bus system which consists of 4, four bit registers. 3. a) Explain instruction cycle with help of flow chart. b) Explain the design of Accumulator logic. P.T.O.

4 UNIT - II EC/EI 313 (CR) 4. Explain various instruction formats with examples. 5. Explain about Booths multiplication algorithm with numeric example. UNIT - III 6. Explain a) Process scheduling. b) Threads. 7. Explain clearly Multiprocessor Scheduling. UNIT - IV 8. Explain clearly about contiguous allocation. 9. Explain the concept of Demand segmentation. 2

5 EC/EE/EI 313 (RR) Total No. of Questions :09] [Total No. of Pages : 02 III/IV B.Tech. DEGREE EXAMINATIONS, NOV/DEC First Semester EC/EE/EI ELECTRONIC CIRCUITS-II Time: Three Hours Answer Question No.1 Compulsory. Answer One Question from each Unit. 1. a) Depends on coupling, what are the different types of amplifiers. b) Give the name for 100% efficient amplifier. c) What is harmonic distortion? d) What is oscillator? Maximum marks:70 14X1=14 M 4X14=56 M e) In which oscillator both negative feedback and positive feedback are used. f) Give the equation for frequency of oscillations for RC phase shift oscillator. g) What is loop gain; give the equation for loop gain. h) What is feedback? Give the types of feedback. i) Define the sensitivity of feedback amplifier. j) What is tuned amplifier? k) Give the advantage of stagger tuned amplifier. l) What is regulator? Give the types of regulators. m) Draw the circuit diagram for shunt regulator. n) What is the need of heat sink? UNIT-I 2. a) Explain the harmonic distortion in power amplifier and derive the distortion factor. b) Draw and explain class B power amplifier and give their demerits. 3. a) Depending on conduction angle and quiescent point. Explain different types of power amplifier. b) Explain transformer coupling class-a power amplifier and derive the expression for the conversion efficiency? 1 P.T.O

6 UNIT-II 4. a) What are the different types of feedback topologies and derive the input and output impedance for voltage series feedback amplifier. b) Explain the characteristics of feedback amplifier. 5. a) Derive the input and output impedance for current short shunt feedback amplifier. b) Classify the amplifiers and explain the feedback concept in amplifier. UNIT-III 6. a) Derive the frequency of oscillators for wien bridge oscillator. b) Derive the frequency of oscillators for RC phase shift oscillator. 7. a) Draw the single tune amplifier and explain its working. b) Explain the working of double tuned amplifier. UNIT-IV 8. a) Explain different types of protection techniques in regulators. b) Explain the operation of UPS. 9. a) Explain about series regulator. b) Explain the operation of SMPS. 2

7 EC/EE/EI 313 (RR) Total No. of Questions : 09 ] [ Total No.of Pages : 02 III/IV B. Tech. DEGREE EXAMINATIONS, MARCH / APRIL First Semester EC / EE / EI ELECTRONIC CIRCUITS II Time : Three Hours Maximum : 70 Marks Answer Question No. 1 Compulsory. Answer ONE question from each Unit. 14x1=14 M 4x14=56 M 1. a) What is the need of heat sink in power amplifier. b) Give the advantage of transformer coupled amplifier over direct coupled amplifier. c) Give the drawback of class B power amplifier. d) Which type of feed in amplifier? e) Give the advantages of negative feedback. f) Give the equation for desensitivity. g) Give the condition for sustained oscillations. h) Give the frequency of oscillations for Hartley oscillator. i) Give the input and output impedance equations for voltage series feedback amplifier. j) Which type of feedback used in oscillators? k) Give the difference between single tuned and double tuned amplifier. l) What is tuned amplifier? m) Give the different types of UPS. n) Give the disadvantages of discrete voltage regulator. UNIT - I 2. a) Explain the class B push pull power amplifier and derive its conversion efficiency. b) Explain the class A power amplifier and derive its efficiency. 3. a) Explain about harmonic distortion and explain how it can be reduced. b) Explain about class C power amplifier. P.T.O.

8 UNIT - II EC/EE/EI 313 (RR) 4. a) Give the characteristics of negative feedback amplifier and explain it. b) Derive the input and output impedance of voltage shunt feedback amplifier. 5. a) Draw and explain Hartley oscillator and derive the equation for frequency of oscillations. b) Explain frequency stability in crystal oscillator? UNIT - III 6. a) Explain about stagger tuned amplifier? b) Explain about single tuned amplifier? 7. a) Derive the 3dB bandwidth for double tuned amplifier? b) Explain about synchronous tuned amplifier? UNIT - IV 8. a) Explain about regulation protection techniques? b) Write a short note on discrete components? 9. a) Explain about SMPS? b) Write about discrete shunt regulators? 2

II/IV B. TECH. DEGREE EXAMINATIONS, NOVEMBER Second Semester EC/EE ELECTRONIC CIRCUIT ANALYSIS. Time : Three Hours Max.

II/IV B. TECH. DEGREE EXAMINATIONS, NOVEMBER Second Semester EC/EE ELECTRONIC CIRCUIT ANALYSIS. Time : Three Hours Max. Total No. of Questions : 9] [Total No. of Pages : 02 B.Tech. II/ IV YEAR DEGREE EXAMINATION, APRIL/MAY - 2014 (Second Semester) EC/EE/EI Electronic Circuit Analysis Time : 03 Hours Maximum Marks : 70 Q1)