Placement Papers - Hughes

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HUGHES - Placement Paper Pattern - Paper - 1

Posted By : Niki Raghu Rating : +7, -0

HUGHES
Paper Pattern (Aptitude) Part - 1





Aptitude Questions



Age problem

Time and distance

Coin

Direction problem



(2n + 2 n-1/2 n+1 ? 2n) what is gives if n = something

( 10n ?1) n>1 when is divisible by 11.no divisible by 8 find the missing
no. when it is divisible by some no



Boat problem

Average

Technical Questions



Which one is called family tree

virtual function and overloading



DHCP protocol



order of insertion and Heap sort



left recursion



find output: for(l=1;a<=l;a++)

cout<<++a; cout <<a;



DEBUG trigger (oracle)



In unrestricted session which system privilege mode is used (oracle)



NEXTVAL and CURRENTVAL in sequence (Oracle)



Unix system call ??like Var( )



OS 384 support which memory management



Complexity to access name from the given double link list



Which WAN network is suitable for the 100Km or m. distance network



If duplicate segments , file are there in hardisk which is best for
management

a) FAT

b) SAT



stop n wait protocol is associated with which layer



find errors from the c and c++ codes.



3 qns on operating systems. I qn on dijkestra algorithm



Using which pin it's possible to address 16 bit addresses even though there
re only 8 address bits in 8085? Ans: ALE



Voltage gain for an amplifier is 100 while it is operating at 10 volts. What
is the O/P voltage wen i/p is 1 volt



Quality factor indicates a) Quality of inductor b) quality of capacitor c)
both



Qns related to bridges, routers and generators, which OSI layer they corresspond
to. (Refer to stevens 4th chapter)



OPAmp's I/P ciurrent, O/p current and CMRR is given, what is the voltage gain



2-3 qns on scope of static variables in C. Qn to view o/p odf a C static var



Qn to print a value of a pointer



OPAmp's I/P ciurrent, O/p current and CMRR is given, what is the voltage gain



A qn to find the physical address from a given virtual address, virtual to
physical address table was provided



6 bit mantissa and 8 bit exponent can present what maximum value?



4 bit window size in sliding window protocol, how many acknowledements can be
held?



Security functionality is provided by which layer of OSI



Frequency spectrums for AM, FM and PM (figure given, u'veto tell which Kind of
modulation it belongs to)



Among AM and FM which is better and why?



LASt stage of TTL NAND gate is called: Ans: Totem Pole Amplifie



SR to JK flip flop conversion. Ans: S=JQ', R=KQ



LSB of a shift register is connected to its MSB, what is formed: Ans: RING
Counter



2-3 Qns based on Demorgan's laws (identiies: (A+b)' = A'b', etc)



2 qns on Logic gates (O/p of logic gates)



Diff in IRET and RET statements of 8086



How many address bytes are required to address an array of memory chips (4 * 6),
each chip having 4 memory bits and 8k registers.



Diff. in memory mapped and I/P O/P mapped Input/Output (Refer a book on
Microprocessor)



Qn on pipeline architecture



QN on LAPB protocol

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