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IISN lOEC/TE61
Sixth Semester B.E. Degree Examination, June/July 2013
Digital Gommunication
Time: 3 hrs. Max. Marks:100
Notel Answer FIVEfull questions, selecting
at least TWO questions from each part
PART - A
I 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 practical
sampling. (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 uniform
quantization, 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 be
transmitted on TDM. Set up a scheme to accomplish this requirement, with each message
signal 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. The
quantizer 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 of
888
the input. (07 Marks)
3 a. With a neat block diagram, explain the delta modulation system and itlustrate its
quantization 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 the
ideal 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 . ,: : .,1
5 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 signal
space diagram. (04 Marks)
c. With a neat block diagram, explain the differential phase shift keying. Illustrate the
generation of differentially encoded sequence for the binary data 1 10010001 0. (07 Marks)
I of2

2. b.
6a.
7a.
b.
8a.
b.
c.
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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.
:'
(10 Matl$)
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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 of
rnefched 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 the
register 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)
od?rl
sequence has
to extemally
.processing gain and
(05 Marks)
{l
2
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Fig.Q6(b)
rltl'fo?
2 of2

3. USN
Time: 3 hrs.
lOEC/TE62
Max. Marks:100
(08 Marks)
(04 Marks)
(04 Marks)
(09 Marks)
instructions.
Sixth Semester B.E. Degree Examination, June/July 2013
Microprocessors
Note: Answer FIVE full questions, selecting
at least TWO questions from each part
PART_A
With a neat diagram, explain the CPU architecture of 8086.
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Define any four addressing modes used in 8086 microprocessor: Identiff addressing modes
used in each ofthe following 8086 instructions:
i) Mov BX,0354H
ii) 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], AH
ii) 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:
D ASSUME
iil PUBLIC and EXTRN
iii) CLOBAL
iv) ALICN l6
b. Write an ALP to search a given character in the array of characters using string
What 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 the
monitor 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 echo
keyboard.
TYPE3 and TYPE4 interrupts.(06 Marks)
(04 Marks)
(04 Marks)
and to read a string of characters from the
(06 Marks)
c.
d.
PART - B
5 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 n
steps and anticlockwise by m steps. . . (10 Marks)
b. lnterlace 4 " 4 keyboard to 8086 microprocessor using 8255. Write the necessary circuit
diagram and an ALP. (t0 Marks)
1of2

4. r-
lOEC/TE62
6 a. What me the functions of following 8087 instructions? Explain.
i) FCOMP
ii) FENI
.{ iir) FDECSTP
'X_ iv) FSTENV :':'
",,; v) FYL2)GI .
(to-P:t.)
' ' ,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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2 of2

5. USN 068C62
Sixth Semester B.E. Degree Examination, June/July 2013
Microprocessors
Time: 3 hrs. Max. Marks:100
Note: Answer FIVE full questions, selecting
at least TWO questions from each part.
PART-A
I a. Explain with neat diagranl the internal architecture of 8086 microprocessor. Clearly state
the function of the following:
i) BUS interface unit
iD Execution unit
iii) 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 following
instructions:
i) Mov Ax, Bx
ii) 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 clockwise
direction 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)
D EQU
ii) oRG
iii) PRoc.
1of2

6. b. Represent 23.25 using 80 bit temporary real format use hex format for expressing the
answer. (04 Marks)
. c. Explain the following instruction of 8087 with example: D FMULP ST(1), ST; ii) FSUBP
ST(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 the
register. '{ry
, : (07 Marks)
c. List the salienf&gqures of 80486 .* ' (06 Marks)
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6 a. Describe with examples the integer data types in 8087 and compute the range of values that
can be represented by these data types? (08 Marks)
2 of2

7. h B l.-l I o MI]SN 10EC63
Sixth Semester B.E. Degree Examination, June/July 2013
M icroelectronic Gircuits
Time: 3 hrs. Max. Marks:.I00
Notet Answer FIVE full questions, selecting at leost
TIIREE from Part A and TWOfrom Part B.
PART-A
1 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 into
account. 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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Fig.Q.1(b)
What is threshold voltage and mention-its range?
+ 2-'s '',
-a.!v
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(04 Marks)
b.
c.
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 and
VD : 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)
-'tLD
Fig.Q.2(c)
a. What is MOSFET scaling? Mention the benefils of scaling. (06 llarksy
b. 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 source
amplifier and explain the significance ofeach element. (07 Marks)
Draw the three different transistor pairings and explain each configuration. (06 Marks)
r--++-
4a.
b.
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I of2

8. 6
10EC63
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?Explainindetail
c. 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 for@.osing CMOS over bipo
6. Explain the dynamic operati6i!.of a CMOS inrr6flBr.:
-:=-.-;=c. Implement F = AB + CD using the AOI gate:r
1;- -i .-.
_rf1+i**x
:'.-'' ' '
--: ''.. ''-'
1;i !
t 'i- -
logy in digital applications?
(04 Marks)
(10 Marks)
(06 Marks;
2 of2

9. USN 10EC64
Max. Marks:100
.l
(09 Marks)
(05 Marks)
(06 Marks)
(05 Marks)
for a short
(I2 Marks)
(08 Marks)
Sixth Semester B.E. Degree Examination, June/July 2013
E
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Time: 3 hrs.
c. Wrile a note on slot antenna.
5 a. Explain the features of an
helical antenna.
8a.
b.
Antennas and Propagation
Notez Answer FIVE full questions, selecting
ot least TWO questions from each part
PART-A
1 a. Define the following terms with respect to antenna:
i) Directivity ii) Beam solid angle iii) Radiation resistance
b. 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 components
d 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 link
of the reflection region of ionosphere has f" 6 MHz and fNaup 7 .5 MH4 calculate the height
ofthe region.
c. Write a note on skip distance.
(10 Marks)
antenna will give a
(05 Marks)
(05 Marks)
PART-B
helical antenna and the practicaf design considerations of the
(10 Marks)
(10 Marks)
(10 Marks)
(10 Marks)
(05 Marks)
(05 Marks)

10. USN 06EC64
Max. Marks:100
(04 Marks)
(04 Marks)
(05 Marks)
and opposite
(08 Marks)
(07 Marks)
(10 Marks)
(10 Marks)
(07 Marks)
(08 Marks)
(08 Marks)
Sixth Semester B.E. Degree Examination, June/July 2013
Antennas and Propagation
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at least TWO questions fiom each part.
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) Directivity
ii) Eflective height
iii) Beam area
irr) 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 km
LOS 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 amplitude
phase. 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;,.
c.
3a.
b.
4a.
b.
c.
5a.
b.
c.
For a short dipole ),/15 long. Find the efficiency, the radiation resistance if loss resistance rs
1f). (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 antenna
ii) Patch antenna.
Find the radiation e{ficiency of a 1m diameter loop (c: rm) of 1Omm diameter copper wre
at i) 1 MHz; ii) 10 MHz. (04 Marks)
1 of 2

11. 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 for
which 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 equation
for 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 degr6q@-.the surface wave over an earth of 6 millimeters
conductivity and relative permittivil[&3at 2 MHz. (06 Marks)
: ,rt
2 of2

12. USN
Time: 3 hrs.
Operating Systems
PART _ B
l0EC65
Max. Marks:100
(04 Marks)
(08 Marks)
(08 Marks)
Sixth Semester B.E. Degree Examination, June/July 2013
o
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11 6
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Notet Answer FIVE full questions, selecting
dt leost TWO questions from each part.
1'. PART-A
I 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 management
for the same. . (08 Marks)
c. Why I/O bound pr-o,grams should be given higher priorities in a multiprogramming
envirorunenr? 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 in
Solaris, along with a diagram. (04 Marks)
b. With a state transition diagram and PCB struclurq, explain the function of the states, state
transitions 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 for
which the memory ii to be allocated? (04 Marks)
b. Describe: i|!]est frt technique for llee space allocation and . ii) Variable pafiitioned
allocation rafth their merits and demerits. (08 Marks)
c. Describe buddy system allocator for program controlled data. How does it differ liom
procasjif-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 a
block diagram. (08 Marks)
Determine the number of page faults in FIFO and LRU policies for the following page
reference string. Pages: 5, 4,3,2, 1, 4, 3, 5, 4,3,2, 1. Assume that there are 3 page frames
and all are initially empty and the first page loaded causes a page fault. Also compare these
two 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.
1of 2

13. 7
ta-
b.
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:
1oEC6s
(04 Marks)
assuming a time slice of 1
iQA,
c.
8a.
b.
c.
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Process Arrival time in seconds Execution time in seconds Deadline in seconds
P1
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P3
P+
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3
5
8
3
3
2
5
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2 of2

14. USN
modes of interference as Per
068C662
Max. Marks: 100
(08 Marks)
(04 Marks)
(06 Marks)
(t0 Marks)
TV /FM
(08 Marks)
int ernat io n a I
(08 Marks)
transmits at
polarization
(04 Marks)
Sixth Semester B.E. Degree Examination, June/July 2013
Satellite Gommunication
Time: 3 hrs.
I
50
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Note: Answer FfW full questions, selecting
atleast TWO questions from each part.
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)
la.
b.
4a.
b.
c.
5a.
b.
c-
c. Define the terms :
i) Line of4psides
ii) Inclination
iii) True anomaly
iv) 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 orbit
to 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 subsystem
Explain with neat sketch spin stabilization
With neat block
reception.
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

15. 6a.
b.
c.
Mention the objectives of radar sat prcgram.
Calculate symbol rate that can be transmitted
0.2.
Explain global positioning satellite system.
068C662
(08 Marks)
(08 Marks)
(04 Marks)
(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.
ld.
b.
c.
d.
8a.
b.
(04 Marks)
(06 Marks)
(06 Marks)
(10 Marks)
(10 Marks)
2 of2

16. USN 10EC66s
(04 Marks)
(08 Marks)
(05 Marks)
(05 Marks)
(10 Marks)
(12 Marks)
(08 Marks)
(10 Marks)
exception specifi cation
(10 Marks)
(10 Marks)
Time: 3 hrs.
Sixth Semester B.E. Degree Examination, June/July 2013
Programming in G++
Note: Answer FIVE full questions, selecting
atleast 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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PART _ A
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 prototJpe
ii) Recursive function
iii) 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 of
an object, with example. (07 Marks)
c. Write a pr6gram to display persons inlormation such as roll number, rame, percentage and
date ofbirth. Use nested classes. (08 Marks)
6 a. What are liiends in C++? When do you really need a fiiend operator function? Illustrate
with an example. (10 Marks)
b. Can any operator is C++ be overloaded and write a program that overloads the increment
operator. (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 operator
c. Static members
d. Argument passing. (20 Marks)

17. I]SN
06EC561
(08 Marks)
(10 Marks)
(05 Marks)
(05 Marks)
operator, with suitable
(10 Marks)
(10 Marks)
' (20 Marks)
Sixth Semester B.E. Degree Examination, June/July 2013
Programming in G++
Time: 3 hrs. Max. Marks: 100
Note: Answer FIWfull questions, selecting
atleast 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)
(04 Marks)
(12 Marks)
(04 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. Inherilance
b. Multiple inheritance
c. Private and protected inheritance
d. Inheritance v/s composition.