6th Semester Electronic and Communication Engineering (2013-June) Question Papers

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Sixth Semester B.E. Degree Examination, June/July 2013

Digital Gommunication

Time: 3 hrs. Max. Marks:100Notel Answer FIVEfull questions, selecting

at least TWO questions from each part

PART - AI a. Explain the sampling theorem lbr low pass signals and derive the interpolation formula.(09 Marks)

b. With a neat block diagram, explain the scheme for signal reconstruction for practicalsampling. (06 Marks)

c. Let E denote the energy ofa strictly band limited signal g(t). Show that E may be expressed

2 a. Derive the expression for signal to quantization noise ratio (SNR) and show that for uniformquantization, each bit in the codeword ofa PCM contributes 6 dB to SNR. (08 Marks)

b. Six independent message sources of bandwidths w, w,2w,2w,3w and 3w hertz are to betransmitted on TDM. Set up a scheme to accomplish this requirement, with each messagesignal sampled at its Nyquist rate. (05 Marks)

c. The signal m(t) : 6 sin (2;rt) Volts, is transmitted using 4-bit binary PCM system. Thequantizer is of midriser type with a step size of 1 Volt. The sampling frequency is 4 Hz with

samples taken at t =t:, *1, *i, sec. Sketch the PCM wave tbr one complete cycle of888the input. (07 Marks)

3 a. With a neat block diagram, explain the delta modulation system and itlustrate itsquantization error. ' (08 Marks)

b. Derive the expression for power spectral density ofNRZ bipolar format. (07 Marks)c. Explain T1 carrier system with its compounding characteristics. (05 Marks)

4 a. Explain the Nyquist criterion for distortionless baseband binary transmission and obtain theideal solution for zero ISI. (08 Marks)

b. For a binary sequence 10110001, construct (i) RZ polar format, (ii) Manchester format.(04 Marks)

s. The binary data 0l 1 100101 is applied to the input of a modified duobinary system.i) Construct the modified duobinary coder output and receiver output wth a preqoder.ii) Due lo transmission error. the level produced by the third digit is z9ro.-construct the

ne\ receiver output. (08 Marks)t..

PART-B .,:i, ..i . ,: : .,15 a. Obtain the expression for probability of symbol error of coherent binary'f'SK. (0p lua rks)b. Compare the probability of symbol errors for basic digital modulatioir:fdrmatsarf& explain

how the probability of error depends on the distance between the mesiagi poiiits in signalspace diagram. (04 Marks)

c. With a neat block diagram, explain the differential phase shift keying. Illustrate thegeneration of differentially encoded sequence for the binary data 1 10010001 0. (07 Marks)

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lOEC/TE61

With the conceptualized model of a digital communication systerg explain the Gram-Schmidt orthogonalization procedure. (10 Marks)

Using the Gram-Schmidt orthogonalization procedure, find a set of orthonormal basis

functions to represent the three signals sr(t), s2(t) and s3(t) shown in Fig.Q6(b). Express each

ofthese signals in terms ofthe set ofbasis functions.

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Explain the maximurn.ljkelihood detection process and obtain the decision rule. (10 Marks)

Derive the impulse retpo4se ofa matched filter receiver and explain any two properties ofrnefched filter (I0 Marksl(I0 Marks)matched filter.

Explain frequency hoop spread m-ary frequency shift keying with a neat block diagram and

illustrate the slow frequency hopping. (08 Marks)

Find the output sequence of the shi&,rggister shown in Fig.Q8(b). The initial state of theregister is 1000. Demonstrate the balence property and run property of a PN sequence.

Calculate and plot the autoconeliltibn function of the PN sequence. (07 Marks)

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Time: 3 hrs.

lOEC/TE62

Max. Marks:100

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(09 Marks)instructions.


Microprocessors

Note: Answer FIVE full questions, selectingat least TWO questions from each part

PART_AWith a neat diagram, explain the CPU architecture of 8086.

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Define any four addressing modes used in 8086 microprocessor: Identiff addressing modesused in each ofthe following 8086 instructions:i) Mov BX,0354Hii) ADD AL. IBX + 041

iii) Mov Ax" [BX + Sr]irr) MOV AX, IBX + SI + 04] (08 Marks)

c. If DS : AB40H, CS : 9960H, SS : 3B00H, BP - 7874H, SP : 0135H, SI : 1245H,DI : 4356H, then determine physical address of the following instructions:i) Mov [BP + Dr + 6], AHii) ADD AL, [s036H]

What do you mean by segment override prefix? Give an example.Explain the role of AAD and AAM instruction of 8086 microprocessor with an example.

(06 Marks)c. Write an assembly level language program to sofi the numbers in ascending order using

Bubble sorting technique. The program should be written using assembler Directives.(10 Marks)

3 a. What are Assembler Directives? Explain the following directives with an example for each:

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b. Write an ALP to search a given character in the array of characters using stringWhat is the role of SI, DI registers and DF bit? (05 Marks)

c. Write an ALP to read a string from the keyboard and display the reversed string on themonitor screen. (06 Marks)

4 a. Define interrupts. Explain TYPE0, TYPEI, TYPE2,b. Explain hardware interrupts of8086 microprocessor.

Differentiate macros and procedures.Write a macro to read a character without echokeyboard.

TYPE3 and TYPE4 interrupts.(06 Marks)(04 Marks)(04 Marks)

and to read a string of characters from the(06 Marks)

c.d.

PART - B5 a. Define Stepper motor. Explain the interfacing of a stepper motor to 8086 micrcipiocessor

with necessary circuit diagram. Write an ALP to rotate the stepper.motor clockwise by nsteps and anticlockwise by m steps. . . (10 Marks)

b. lnterlace 4 " 4 keyboard to 8086 microprocessor using 8255. Write the necessary circuitdiagram and an ALP. (t0 Marks)

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6 a. What me the functions of following 8087 instructions? Explain.i) FCOMPii) FENI

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' ,1.b. Write a program using 8087 instructions to compute the volume of the sphere usiagMASM' /'- --*ryntu*. (o6 Markg

c!ft<plain the control register format of 8087. a;" (04 Marks)

'/.,.t/7 a. with h/6&t diagrarq explain the maximum mode operation of 8086.r,-- - -'} (08 Marks)

b. What aieltl}s,haracteristics of PCI and USB interface? & (06 Marks)

c. Interface P"r{$p, 8086 processor with relevant signals of.,.llhpdrtance. Explain using a

flowchart. / .^,.., . ;-'ri;' (06 Marks)-*{- r ' . \tlvu k$t:,

8 Write short notes for tht&J[owing: {S'a. 80386 special registers t?, d)* r (06 Marks)

b. Salient features of 80486 proti$gr ^ I\-l (06 Marks)

c. Pentium CPU architectur. " l+. W (08 Marks)

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USN 068C62

Sixth Semester B.E. Degree Examination, June/July 2013Microprocessors

Time: 3 hrs. Max. Marks:100

Note: Answer FIVE full questions, selectingat least TWO questions from each part.

PART-A

I a. Explain with neat diagranl the internal architecture of 8086 microprocessor. Clearly statethe function of the following:i) BUS interface unitiD Execution unitiii) Segment registers. (08 Marks)

b. What is addressing mode? Explain with example the.different addressing modes in 8086?

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c. Explain "program status \ ord" in 8086 u ith example.

2 a. Explain template for 8086 MOV instruction. Also generate the op-code for the followinginstructions:i) Mov Ax, Bxii) Mov Ax, [Bx].

(08 Marks)(04 Marks)

(08 Marks)b. What are assembler directives? Explain the following assembler directives with examples:

(04 Marks)c. Discuss the dillerent types of 8086 arilhmetic instructions with example lor each type.

, (08 Marks)

a. Explain REPE CMPSB instruction with example. (06 Marks)b. Differentiate between MACROS and PROCEDURES. (06 Marks)c. Write a procedure to conveft a packed BCD number to its binary equivalent. Use the method

of passing parameters in registers. (08 Marks)

4 a. Describe the action taken by 8086 when NMI pin is activated. (06 Marks)b. Write a subroutine to perform the following in 8086: i) Set trap flag; ii) Reset trap flag.

(06 Marks)c. What are hardware interrupts? Write the function of atleast-five dedicated software

interrupts in 8086. (08 Marks)

P.ART - B

5 a. Write an ALP to rotate stepper motor five rotation clockwise and fiv-e rotation anti clockwisedirection with same speed for both the direction. Assume step angle of steppei motor is 1.8

degree. Assume rotor teeth : 200. (10 Marks)b. lnterface an4> 4 keyboard and write a program to read the code ofapressed key. (I0Marks)

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b. Represent 23.25 using 80 bit temporary real format use hex format for expressing theanswer. (04 Marks)

. c. Explain the following instruction of 8087 with example: D FMULP ST(1), ST; ii) FSUBPST(l), ST; iii) FCOM ST(2); iv) FLDPI. (08 Maf,ks)

' -{)p. Explain minimum mode configuration of 8086. with a neat diagram. (0t Marks)"Jb. Differentiate between minimum mode and maximum mode. p5 Marks)

c{'}6plain the operation ofreset section of82844 clock generator. i - 1oz tvlarts)e a. $66in the tunction of the following 80386 pins:

i) f{qK; ii) ADS; iii)NA; iv) READY; v) ERRoR; vi)RESBT; niDD/C.\{* ., -' (07 Marks)

b. Draw a@$guss the register set of 80386 and explain a typiofl.furrction of each of theregister. '{ry , : (07 Marks)

c. List the salienf&gqures of 80486 .*\ ' (06 Marks)tv?J\t-,':-. l,\',

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6 a. Describe with examples the integer data types in 8087 and compute the range of values thatcan be represented by these data types? (08 Marks)

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h B l.-l I o MI]SN 10EC63

Sixth Semester B.E. Degree Examination, June/July 2013M icroelectronic Gircuits

Time: 3 hrs. Max. Marks:.I00Notet Answer FIVE full questions, selecting at leost

TIIREE from Part A and TWOfrom Part B.

PART-A1 a. Derive the equation for finite output resistance of a MOSFET. (08 Marks)

b. For the CS-amplifier shown in Fig.Q.l(b), find R,,, Avo, &u, and Gv with ro taken intoaccount. If V.;, is a 0.4V (P-P) what output signal results? Assume R,;g: lOKO, Rr- : 15KQ,g,, - 1 mA"/v and ro = 150KO. (08 Marks)

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Draw the development of the T-equivalent circuit model for the MOSFET. (05 Marks)Derive the voltage gain and overall voltage equations of a source follower using MOSFET.

(08 Marks)Design the circuit shown in Fig.Q.2(c) so that the transistor operates at Io - 0.4 mA andVD : 0.5V. The NMOS transistor has Vt : 0.7V, p, Co* : 100 p NV', L : lpm and

W: 32 pm. Neglect the channel length modulation efflect. (07 Marks)

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a. What is MOSFET scaling? Mention the benefils of scaling. (06 llarksyb. Draw the MOSFET constant current source circuit and explain it. (06 Marks)c. Explain the operation of a MOS current steering circuit and mention it advantage. (08 Marks)

What is cascade amplifier? Explain the operation of a MOS cascade amplifier. (07 Marks)Draw the high liequency-equivalent circuit model of the MOSFET common sourceamplifier and explain the significance ofeach element. (07 Marks)Draw the three different transistor pairings and explain each configuration. (06 Marks)

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a. Explain the operation of MOS differential pair with a differential input voltage. (07 Marks)b. Draw the circuit diagram of a active-loaded MOS diflerential pair and explain it. (08 Marks)c. What are the features of two-stage CMOS op-amp configuration? (05 Marks)

PART-B.

aj -..BFplain the eflect of feedback on the amplifier poles. (06 Marks)b..Wta1arethepropertieSofnegativefeedbacks?Explainindetailc. Dia&the ideal structure for the series-series feedback amplifier and explain it. (06 Marks)

,.<.}a. Explain"id,ifu"to minimize the temperature effect in a logarithmic.aiiiplifier. (08 Marks)b. Draw the sdidp:leana noH circuit using op-amp and explain it_. . ,. (07 Marks)c. Design a non-invq$jlB op-amp with a gainof 2. At the maxiirli8n output voltage of 10V and

the current in the v$ltage divider is to be 10pA. (05 Marks)

8 a. What are the reasons [email protected] CMOS over bipo

6. Explain the dynamic operati6i!.of a CMOS inrr6flBr.:-:=-.-;=c. Implement F = AB + CD using the AOI gate:r

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5 a. Explain the features of anhelical antenna.

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Antennas and Propagation

Notez Answer FIVE full questions, selectingot least TWO questions from each part

PART-A1 a. Define the following terms with respect to antenna:

i) Directivity ii) Beam solid angle iii) Radiation resistanceb. State and prove Frii's transmission fbrmula.c. Show that maximum effective aperture ofshorl dipole is 0.119 i"2.

2 a. State and prove power theorem and its gpplication.b. Show that the dhectivity for unidirectional operation is 2(n + 1) for an intensity variation of

U - U,,, cosn 0. (05 Marks)c. Derive an expression and draw the field pattern fur isotropic point sources of the same

amplitude and same phase. (10 Marks)

3 a. Starting from electric and magnetic potentials, obtain the far field componentsd ipo le.

b. Derive an expression for radiation resistance ola short electric dipole.

4 a. Derive an expression for far field components ofa loop antenna.b. The radius ofa circular loop dntenna is 0.02),. Ho* many turns of the

rad iat ion resistance ol'35 O.

b. Write note on: i) Ultra wide band antenna, ii) Lens antenna.

6 a. Explain: i) Yagi-Uda antenna, ii) Parabolic reflectors.b. Write short notes on:

i) Turnstile antenna ii) Antennas for ground penetrating radar.

7 a. Discuss the propagation characteristics ofradio waves for different frequencies. (10 Marks)b. Explain the principle of surface wave propagation. Obtain an equation for tilt angle cr ofthe.

wave. ( l0 Marks)

Draw and explain different ionized layers an ionospheric propagation. (10 Marks)A distance of 1500 km one is to be covered along earth surface using a communication linkof the reflection region of ionosphere has f" 6 MHz and fNaup 7 .5 MH4 calculate the heightofthe region.

c. Write a note on skip distance.

(10 Marks)

antenna will give a


PART-Bhelical antenna and the practicaf design considerations of the


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USN 06EC64

Max. Marks:100

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Sixth Semester B.E. Degree Examination, June/July 2013Antennas and Propagation

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PART-A

1 a. Explain basic principle of radiation using basic radiation equation.b. Explain the folldwing terms as related to antenna systems:

Time: 3 hrs.

2a.b.

i) Directivityii) Eflective heightiii) Beam areairr) Radiation pattern. (12 Marks)A radio link has 100 watts transmitter connected to an antenna of2.5m2 effective aperture at

5 GHz. The receiving antenna has a.effective apertue of 0.5m2 and is located at a 15 kmLOS distance. Find the power delivere4.to the receiver.

State and explain power theorem, and its applications to an isotropic source.Obtain the field pattern for tw.o isotropic point sources with equal amplitudephase. Assume distance between two sources: ),/2.Explain the principle of pattem multiplication, with an example.

Derive an array-factor .expression in case of linear andy. of 'n' isotropic point sources of'ks)

;:'illT:"'*5tr3iXi"il,'- *,0,, ora given system with eqpal ampritude ",0 J*,Tl;,.

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4a.b.

c.

5a.b.

c.

For a short dipole ),/15 long. Find the efficiency, the radiation resistance if loss resistance rs1f). (03 Marks)

d : )"12 and n = 4. Draw the field pattem.

Derive electric and magnetic fields ofa short dipole.Show that the radiation resistance of )"12 antenna is 73f).

PART - B

Derive the far field expressions for small loop antenna.Write short notes on:i) Slot antennaii) Patch antenna.Find the radiation e{ficiency of a 1m diameter loop (c: rm) of 1Omm diameter copper wreat i) 1 MHz; ii) 10 MHz. (04 Marks)

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06EC64

6 a. Explain the practical design considerations for the monofilar axial mode helical antenna.(10 Marks)

b. Determine:The length L aperture as and half angles in E and H planes for a pyramidal e.m hom forwhich the apertue as = 8)". The hom is fed with a rectangular wave guide with TEro mode.

Take 6 = )"i 10 in the E - plane and 6 : tr /4 in the H-plane.,'-, . i) What is dfuectivity?:',:. i1 What is the aperture effrciency? ,(i0 Marks)

7 a. What are the factors affecting ground wave propagation? Explain the Summerfield equationfor gri)und wave propagation. (10 Marks)

b. Derive the,expression for refractive index of an ionspheric layer. (10 Marks)

8 a. Define the fotitrwing terms as related to ionospheric propagatioiil ' '

i) MUF

iil C,ritical.freqii.i&y 'i'.iii) Virtual height . i..i.i.iv) Skip distance. (08 Marks)b. In an ionospheric wave foipgation the angle- q$lcidence made at a particular layer, at a

height of 200 km is 45", with"ciitlcal frequelqfl(.JVlHz. Calculate the skip distance.\-, (06 Marks)

c. Calculate the wave tilt in [email protected] surface wave over an earth of 6 millimetersconductivity and relative permittivil[&3at 2 MHz. (06 Marks)

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Time: 3 hrs.

Operating Systems

PART _ B

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1'. PART-AI a. What artthe-,,,two goals of an operating system (OS)? Explain briefly. (04 Marks)

b. Describe thq'tiatch processing system and functions of scheduling. and memory managementfor the same. . (08 Marks)

c. Why I/O bound pr-o,grams should be given higher priorities in a multiprogrammingenvirorunenr? Illustrate with timing diagram. (08 Marks)

2 a. Explain system generation operations. (04 Marks)b. Compare Kernel based and microkernel based OS function. (08 Marks)c. Explain layered OS structure. How is,jt superior compared to monolithic structure?

... l (08 Marks)

3 a. Mention the thLree kinds of entilids used for concurrency within a process in threads inSolaris, along with a diagram. (04 Marks)

b. With a state transition diagram and PCB struclurq, explain the function of the states, statetransitions and the functions-ofa schedule. (08 Marks)

c. Explain the race condition in airline reservation system with an algorithm. (08 Marks)

4 a. Compare static ard dynamic memory allocation. What die the, four program components forwhich the memory ii to be allocated? (04 Marks)

b. Describe: i|!]est frt technique for llee space allocation and . ii) Variable pafiitionedallocation rafth their merits and demerits. (08 Marks)

c. Describe buddy system allocator for program controlled data. How does it differ liomprocasjif-two allocator? (08 Marks)

Explain "page out daemon" for handling virtual memory in TINIX OS. (04 Marks)Describe the address translation using ATU and TLB in demand paged allocation.with ablock diagram. (08 Marks)Determine the number of page faults in FIFO and LRU policies for the following pagereference string. Pages: 5, 4,3,2, 1, 4, 3, 5, 4,3,2, 1. Assume that there are 3 page framesand all are initially empty and the first page loaded causes a page fault. Also compare thesetwo techniques. (08 Marks)

5a.b.

c.

6 a. Compare sequential and direct file organization.b. Describe the interface between file system and IOCS.c. Explain the file system actions when a file is opened and a file is closed.

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What are the functions of medium and short term schedulers?Determine mean tum around time for SJN an RR scheduling,second for the following table:

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Satellite GommunicationTime: 3 hrs.

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PART _ A

Mention any four advantages of satellite communication. (04 Marks)

The earth rotates once per sidereal day of23 hour, 56 min and 4.09 sec, using Kepler',s third

law show that radius of geostationary orbit is 42164.17 km. (08 Marks)

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c. Define the terms :

i) Line of4psidesii) Inclinationiii) True anomalyiv) Line ofnodes.

a. State Kepler's Iaws of planetary motion. (06 Marks)

b. What is meant by geostationary orbit? Mention the conditions that are required for an orbitto be geostationary. (04 Marks)

c. An earth station is located at a latitude of l2os and longitude 52oW, calculate the antenna

look angles for a satellite at 70'W. Given a6g9 -- 42164 km and average earth radius

(R): 6371 km. (10 Marks)

3 a. what is meant by rain rate? And how this is related to specific attenuation? Explain.(04 Marks)

b. Explain feeder losses and antenna misalignment losses. (08 Marks)

c. A ieceiving system consists of an antenna having a noise temperature ofl 60 K, leeding

directly into LNA. The amplifier has a noise temperature of 120 K and gain of 45 dB. The

coaxial feeder between the LNA and the main receiver has'a loss of 2 dB, and the main

receiver has a noise figure of9 dB. Calculate the system noise temperature referred to input.(08 Marks)

Explain how station keeping is done in satellite.Explain the antenna subsystemExplain with neat sketch spin stabilization

With neat blockreception.

PART _ B

diagram, explain indoor units of a home

Explain the classification of possible

telecommunications union.Station A transmits at 24 dBW with an antenna gain of 54 dB and station C

30 dBW. The off axis gain in the Sr direction is 24'47 dB, and the

discrimination is 4 dB. Calculate the [c/I] ratio on the uplink'I of 2

6a.b.c.

Mention the objectives of radar sat prcgram.Calculate symbol rate that can be transmitted0.2.Explain global positioning satellite system.

068C662


(04 Marks)in a24 MIlz bandwidth, for a roll offfactor of

Explain frequencies and polarization used in direct broadcast satellites.

Explain preassigned FDMA for satellite communication with the help of neat figure.

With neat sketch, explain the workings of spade system'Explain community antenna TV system.Determine the probability of false detection for N:40 and E = 5.

Write an explanatory note on satellite mobile services.

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USN 10EC66s



(12 Marks)

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(10 Marks)exception specifi cation

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Time: 3 hrs.

Sixth Semester B.E. Degree Examination, June/July 2013Programming in G++

Note: Answer FIVE full questions, selectingatleast Tll/O queslionslfrom each part.

Max. Marks:100

1 a. Bring out the salient features of structural programming and object oriented programming.(08 Marks)

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b. Explain volatile and constant qualifiers.c. How strings are handled is C++? Discuss with appropriate examples.

2a.b.

c.

How do you.classiry operators is C++?Where do you r.rse comma operator? Give an example.Explain nested if statement, break statements and loop statements, with examples.

3 a. Discuss the following, with an example :

i) Function prototJpeii) Recursive functioniii) Actual and formal parameters

-.iv) [nline function.

b. write a program to find nc, using recursion.

4 a. Explain the exception handling mech4nism, in detail.b. What are exception specifications.and explain in detail. Discuss the

to functions.

PART_B

5 a. Define class and name the componenls oIa class and explain them. with example.(05 Marks)

b. What is the 'this' pointer? Illustrate the use ofthis pointer in abcessing the data members ofan object, with example. (07 Marks)

c. Write a pr6gram to display persons inlormation such as roll number, rame, percentage anddate ofbirth. Use nested classes. (08 Marks)

6 a. What are liiends in C++? When do you really need a fiiend operator function? Illustratewith an example. (10 Marks)

b. Can any operator is C++ be overloaded and write a program that overloads the incrementoperator. (10 Marks)

7 a. What is inheritance? Discuss the different types of inheritance. (10 Marks)b. What is runtime polymorphism? How virtual function, can be used to implement the runtimo

polymorphism? Explain with an example.

8 Write a short note on :

a. Data types ofC++b. New and delete operatorc. Static membersd. Argument passing. (20 Marks)

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(08 Marks)


operator, with suitable(10 Marks)(10 Marks)

' (20 Marks)


Programming in G++Time: 3 hrs. Max. Marks: 100

Note: Answer FIWfull questions, selectingatleast TWO questions Jliom each part.

PART _ A

I a. Explain dynamic memory allocation and deallocation, with suitable example. (04 Marks)

b. Define object oriented programming? Explain the characteristic of OOPS. (12 Marks)

c. Write a C++ program to find sum ofn integer number using an array. (04 Marks)

2 a. What is variable? What are the rules to name a variable? Where can you declare a variable?(06 Marks)

b. Write a complete C# program to detetmine odd and even number. (06 Marks)

c. Explain the following, with suitable example :

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i) Enumerated data type ii) Reference data bpe.

3 a. Explain relational operator and bitwise operator.b. Write a C++ program to find the factorial of a number using for loop.c. Write a C++ program to find whether the number is prime (or) not.

b. Describe inline function with C++ suitable example.

c. Write functions : i) Swap the content of two variable using call by reference

ii) Swap the content oftwo variable using call by pointer.

PART- B

5 a. Explain exceptional mechanism? List out the advantages.

b. Explain the following : i) Try block ii) Catch block iii) Rethrow.

c. Discuss exceptional design issue.

6 a. Explain the following, with suitable example :

4 a. What are recursive function? Write a C++ recursive function to calculate GCD of numbers.(06 Marks)(06 Marks)

(08 Marks)


i) Copy constructor ii) Class declaration and class definition iii) Destructor. (12 Marks)

b. Write C# program to find the volume of cuboid. The program should have class

declaration in cubiod h file. class definition in cuboid. cpp. Use constructor, destructor in

your program, member functions are needed to compute volume and display

Note : volume: lenglh I breath + height. Test your code. (08 Marks)

7 a. What is operator overloading? Explain increment and decrement

example.b. Explain delete and new operators, with suitable C++ program.

8 Explain the following :

a. Inherilanceb. Multiple inheritancec. Private and protected inheritanced. Inheritance v/s composition.

6th Semester Electronic and Communication Engineering (2013-June) Question Papers

Education

marks i of2

oieq i

message signal

binary pcm system

signal space diagram

w hertz

signal mt

signal reconstruction