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gandhi vidyala college luknow-03 april 2011


[1] the process of transforming 1 bit pattern into another is called a masking b bitting c prunning d chopping

[2] lint is a compiler b a interactive debugger c a cinterpreter d a tool for analysing c++ program

[3] header files used in c programs usually found in a /bin/include b /usr/bin/include c /dev/include d /usr/include

[4] dijstra banking algorithm used in the problem a dead lock avoidance b deadlock recovery c mutual exclusion d none

[5] which is following service is not supported by operating system a compilation b accounting protection d i/o operation

[6]which is the following sheduling policy is suited in time sharing o/s a sjf b fcfs c round robin d none

[7] a top down parser genrates a left most derivation b right most derivation c right most derivation in reverse
[8] a bottom up parser genrates a left most derivation b right most derivation c right most derivation in reverse

[9] which is the following symbol table implementation is based on principal of locality of referencea linear list b searchtree c hash table d self organisation list

[10] let * be a boolean operation defined by a a*b =a*b+a'b' then a*a a A b B c 0 d 1

[11]the number column in a state table for a sequential circuit with m flip flops and n inputs a m+n b m+2n c 2m+n d 2m+2n

[12] the minimum time delay between the initiation of two memory operations a access time b cycle time c transfer rate d latency time

[13] the way a card player game arranges his cards as he picks them up one by onea bubble sort b insertion c selection d merge sort

[14] phenomenon of having a continuous glow of a beam on the screen even aftera removed a called a a flouresence b persistence c phospherence d incadence

[15] which display device is suited for cad system a a crt with vector referesh monitor b crt with raster scan monitor
c plasma panel display d led display

[16] the basic elements of a picture in volume graphics a pixel b voxel c volsel d none

[17] which of the following system resides in memory always a text editor b assembler c linker d loader 

[18] for a weak entity set to be meaningful it must be a part of a one to many relationship b one to one c many to many d none

[19] c front is a a is front end of a c compiler b is preprocessor of a ccompiler c translates a c++ code to its equivalent code d none

[20] files in a structure of ac++ are by default a public b private c protected d none

[21] end to end connectivity is provided from host to host in a the network layer b the transport layer c the session layer d data 
link layer

[22] how many characters persec (7bit+1) can be transmitted per over a 2400 bps line in the transfer is synchronous]
a 300 b 240 c 275 d 250

[23] which is the following is more closely related to the physical communication facilities
a application b session networkn d datalink

NFL Instrumentation questions 

1)Gain bandwidth product of 2 stage CE amplifier compared to single stage
a). greater b). lesser c). same etc

2)Early effect in transistor leads in
a). Fast switch b). slow switch etc

3)MOSFET acts as a
a). Resistor b). inductor c). capcitor etc

4)Normal PH is
a)7 b)2 c)5 etc

5)Gave number of bits as 8 and max voltage as 100V asked to calculate resolution

6)strain guage working principle
a). resistor c). capacitor etc

7)Class AB property
a). More efficiency b). avoids crossoverdistrotion

8)3-4 problems related to oscilloscope

9)Gave a simple block diagram asked to find TF

10)Gave discrete sequence asked to calculate DFT

11)x(at)------Ztransform---
a)1/aX(z/a) etc

12)Peak overshoot 100% calculate damping factor
a)0.707 b)1.732 c)0.5 etc

13)gave transfer function asked to calculate phase crossover frequency

14)If modulating frequency doubles then BW of FM becomes
a). twice b). half c). same etc

15)Gave unmodulated carrier power and modulated carrier power asked calculate modulation index

16)In TDM system no: of telephone channels give asked to calculate o/p freequecy

17)3 to 4 problems on bridges and instrumentation

18)If range is more it leads in
a). More precision b). more accuracy c). more error

19)2to3 problems on ADC and DAC to calculate the number or output bits reqd

20)Problem based on channel capacity theorm

21)Vectorred interrupt among the following
a). RST 6.5 b). RST 5.5 c). TRAP d)INTR

22)Memory of 64x1k available 4 such memory clubbed together with single address line give
a)16x16k b)256x1k etc

23)For a stable system
a) h[n]!=0 n>0
b) h[n]!=0 n<0
c) h[n]=0 n<0
b) h[n]=0 n>0

24)Wn in DFT a shifting property was asked

25)Wheat stone bidge used for measuring
a) resistor b) inducator etc

26)RLC ckt response
a) exponentially increasing b) decreasing etc

27)FET is a
a) VCVS b) CCCS c) VCCS d) CCVS

28)Gave a TF asked to identify the poles and zeroes

29)Gave a characteristic equation asked to find number poles in right side

30)Optical wavelength range asked

31)LASER abbreviation---------

32)Schotky TTL diode is used to reduce
a) delay b) gates c) power d) none

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