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Hues Placement Paper

 (A)Aptitude :25 Qns, 20 Minutes
 1. 2 x 4 analytical GRE type qns
 2. 2-3 Reasoning qns (GRE type)
 3. Probability of getting a sum of 7 when two dices are thrown together
 4. Rest quantitative questions
 (B) Technical: 50 Qns, 45 Minutes
1. 3 qns on operating systems. I qn on dijkestra algorithm
2. Using which pin it's possible to address 16 bit addresses even though there
  are only 8 address bits in 8085? Ans: ALE
3. 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
4. Quality factor indicates a0 Quality of inductor b) quality of capacitor
  c) both
 5. Qns related to bridges, routers and generators, which OSI layer they
  corresspond to. (Refer to stevens 4th chapter)
6.OPAmp's I/P ciurrent, O/p current and CMRR is given, what is the voltage
7. 2-3 qns on scope of static variables in C. Qn to view o/p odf a C static
8. Qn to print a value of a pointer
9.resistance increases with temperature in a) Metal b) semiconductor
10. A qn to find the physical address from a given virtual address, virtual
to physical address table was provided
11. 16 bit mantissa and 8 bit exponent can present what maximum value?
12. 4 bit window size in sliding window protocol, how many acknowledements can be held?
13. Security functionality is provided by which layer of OSI
14. Frequency spectrums for AM, FM and PM (figure given, u'veto tell which
Kind of modulation it belongs to)
15. Among AM and FM which is better and why?
16.LASt stage of TTL NAND gate is called: Ans: Totem Pole Amplifier
17. SR to JK flip flop conversion. Ans: S=JQ', R=KQ
18. LSB of a shift register is connected to its MSB, what is formed: Ans:
RING Counter
19. 2-3 Qns based on Demorgan's laws (identiies: (A+b)' = A'b', etc)
20. 2 qns on Logic gates (O/p of logic gates)
21. Diff in IRET and RET statements of 8086
22. How many address bytes are required to address an array of memory chips
(4 * 6), each chip having 4 memory bits and 8k registers.
23. Diff. in memory mapped and I/P O/P mapped Input/Output (Refer a book on Microprocessor)
24. Qn on pipeline architecture
25 QN on LAPB protocol
1. CSMA/Cd protocol used in
Ans : Ethernet
2. Checksum in IP packet is
Ans : Sum of the bits and 9's complement of sum
3. Inselective repeat Max Seq is given find windowsize
i.e. Ans : (15+1)/2 = 8
4. Main memory cache direct mapping
Ans : 64
5. Address lines and data lines for 4K x 16
Ans : Addr 12, Data 16
6. Infix to postsize commession uses
Ans : operator stack
7. Printing ofstatic variable
Ans : 11
8. Ans : 1,2,3,4 ( Program is given
array[0] = 1;
array[1] = 2;
array[2] = 3
array[3] = 4
ptr = array[0]
*(arr+3) = *(++array ) + *(array-1)++)
There may me some mistique in writing
the program. Check it out.
Answer is correct
9. One Question on Scheduling
10. Which of the following is not memory model
(1) buddy system (2) monitor (3) virtual ... etc.
11. Hight balancing AVC time
Ans : 3
12. Virtual to physical address mapping
page table given
13. regular expression of identifier
14. Simplification in boolean Algebra
Ans : xz
15. Logical gate is given we have to find what is that
Ans : NOR
16. Solution for Diriving philofphing
Ans : d
17. The feature C++ have and c donot have
Ans : Variables can be declared inside also.
18. Number of nodes with degree two in a binary tree of n leaves
Ans : n-1
19. Difference between syachronous and asynchronous transmission

20. The question on RS232
(Use of sfart bit in Rs 232 protocal)
21. Floating point representation
Ans : 2's complement
1 more negitive number
Two simple probability questions are also there

Section A : 30
Section B : 20

Total 50 questions in 1 hours

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