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Pre-final year students are not eligible to write GATE 2012. For details, refer to eligibility for gate examination.
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FOR THE Students Headline Animator

Tuesday, March 29, 2011

ACADEMIC CALENDAR



ACADEMIC CALENDAR FOR THE COMMENCEMENT OF CLASS WORK FOR B.TECH/B.PHARM III-I Sem & IV-I Sem.

The Proposed Academic Calendar for B.Tech / B.Pharm III B.Tech I Semester and IV B.Tech I Semester is detailed below.
B.TECH/B.PHARM III B.Tech I Semester & IV Semester
Description
From
To
Weeks
Commencement of Class Work
13-06-2011
-
-
I Unit of Instructions
13-06-2011
13-08-2011
9W
I Mid Examinations
15-08-2011
20-08-2011
1W
II Unit of Instruction
22-08-2011
15-10-2011
8W
II Mid Examination
17-10-2011
22-10-2011
1W
Preparation &  Practicals
24-10-2011
05-11-2011
2W
End Examinations
07-11-2011
19-11-2011
2W
Next Semester Class Work: 21-11-2011

 


           

For the students: academics

For the students: academics


ACADEMIC CALENDAR FOR THE COMMENCEMENT OF CLASS WORK
FOR B.TECH/B.PHARM II, III & IV YEAR-II SEMESTER

The Proposed Academic Calendar for B.Tech/B.Pharm II, III & IV Year-II Semester Regular During the year 2010-11 is detailed below.


Friday, March 25, 2011

PUZZLE WITH LOGIC


Find the ages of the chidren ?



Many years from now, two classmates met in a street.

The following is part of their discussion.

Student 1: Yes, I'm married and have three wounderful children.
Student 2: That's great! How old are they?
Student 1: Well, the product of their ages is 36.
Student 2: Hmm. That doesn't tell me enough. Give me another clue.
Student 1: OK. the sum of their ages is the number on that building
across the street.
Student 2: (After a few minutes of thinking with the aid of pencil and paper)
Ah ha! I've almost got it but I still need another clue.
Student 1: Very well. The oldest one has red hair.
Student 2: I've got it!

What were the ages of the children of student 1?

Tuesday, March 22, 2011

NPTEL Online-IIT BOMBAY

NPTEL Online-IIT BOMBAY


3.3 Layer Representations
With increase of complexity in the CMOS processes, the visualization of all the mask levels that are used in the actual fabrication process becomes inhibited. The layer concept translates these masks to a set of conceptual layout levels that are
easier to visualize by the circuit designer. From the designer's viewpoint, all CMOS designs have the following entities:

Two different substrates and/or wells: which are p-type for NMOS and n-type for PMOS.

Diffusion regions (p+ and n+): which defines the area where transistors can be formed. These regions are also called active areas. Diffusion of an inverse type is needed to implement contacts to the well or to substrate. These are called select regions.

Transistor gate electrodes : Polysilicon layer

Metal interconnect layers

Interlayer contacts and via layers.


The layers for typical CMOS processes are represented in various figures in terms of:
A color scheme (Mead-Conway colors).
Other color schemes designed to
differentiate CMOS structures.
Varying stipple patterns
Varying line styles

NPTEL Online-IIT BOMBAY

NPTEL Online-IIT BOMBAY

Thursday, March 17, 2011

ISDN: Data Rates, Access Channels


ISDN stands for Integrated Services Digital Network. It was first introduced by NEC in Japan. There basic purpose was integration of traditionally different computer and communication (C&C) services into a single one. The integration basically means incorporation of three types of services:
Voice (telephone)
Data (internet)
Entertainment (TV)
The integration should be most comfortably and efficiently done in digital domain, so the switching, multiplexing, signaling and transmission, everything should be digital. It was first named integrated digital network (IDN), which received lukewarm response as only the enterprises, not the general public, realized the potential behind that acronym. Later on it was named ISDN which more clearly states the idea (of integrating different services) behind it.
INTERNET INCLUDES VOIP, TELEPHONY-OVER-IP, AND VIDEO-OVER-IP, BUT QOS WAS NOT MAINTAINED.
Later on, entertainment service providers started providing data service with cable modems. It has been very rare, though.
ISDN SERVICES
The key ISDN services, form the very beginning has been the voice service, although with many enhanced features. One ISDN feature is telephones with multiple buttons for instant call setup to arbitrary telephones anywhere in the world. Another feature is the display of caller’s telephone number, name and address during ringing. A more sophisticated version of this feature allows the telephone to be connected to a computer so that the caller’s database is displayed on the screen as the call comes in. other advanced voice services include call forwarding and conference calls worldwide. Advanced non-voice services are remote electricity meter reading, and on-line medical, burglar, and smoke alarms that automatically call the hospital, police, or the fire brigade, respectively, and give their addresses to speed up responses.
The cost of ISDN is accounted to the CPE interface and the service itself, so only the corporate users welcome it.




jntu-k results are out

 JNTU-K   R10 First year I sem  Results are out

check your result here


http://www.results.manabadi.co.in/kjntu17032011.htm

Tuesday, March 15, 2011

gate score


GATE Score
The GATE score, awarded in the range of 0 to 1000 reflects the candidates academic ability and will be based on his/her performance in GATE 2011 and the performances of all candidates who appeared in GATE in the last four years 2008-2011. Candidates with the same GATE score from different GATE papers and/or years can be considered to have the same performance level.
GATE Score

where, 
 m : marks obtained by the candidate.
 a:  average of marks of all candidates who appeared in the paper
       mentioned on this scorecard in GATE 2011
 s:  standard deviation of marks of all candidates who appeared in the paper
      mentioned on this scorecard in GATE 2011
 ag: average (global) of marks of all candidates who appeared across all papers
        and years 2008-2011
 sg: standard deviation (global) of marks of all candidates who appeared across
        all papers and years 2008- 2011
The maximum score can be 1000.
GATE Percentile Score
The percentile score of a candidate indicates the percentage of candidates who appeared in the same paper
 and scored less marks than him/her. It is calculated as follows: If N is the total number of candidates appearing
in a paper, then the percentile score P is given as,
P = (number of candidates who have scored less marks than the candidate / N) x 100
A typical qualitative interpretation of the GATE SCORE, for example, can be as follows:
Ability Level GATE Score Range
Outstanding 800 to 1000
Excellent 675 to 800
Very good 550 to 675
Good 425 to 550
Above average 300 to 425
Average 100 to 300
Below average Below 100

how to calculate percentile

how to calculate percentile

*  It is simple to calculate percentile

*   first you have to determine your rank (R)  from gate website  http://gate.iitm.ac.in/gate2011/results.php

*  determine no of candidates attempted for gate that year (N)

*   now   gate percentile P =  (N-R)/N

E.g  if suppose your rank 1,000 and no of candidates attempted are 1,00,000 then percentile is 99%

ALL THE BEST

Gate 2011 :-


Gate 2011 :- Rank and Percentile to Get into IIT


See percentile is a relative one and it depends on the no of students writing the exam , so it is not a metric . If the no of students appeared are more than even if u perform bad also your percentile will be high . So rank is the metric u have to keep in mind . Your aim should be to get a Rank below 100 then u will be in the safe side getting a direct admission in IIT free from all tension . Even if u could not get a rank below 100 for some reason on the day of writing exam don’t worry , try to get at least 99%ile . The IIT people think that all the top 1% engineers have equal caliber only due to some reason on that day there was a mishap . So u will be called for the written test and interview there u can prove your metal . Don’t worry there are many options like BARC , DRDO , recently KRESIT ( IT branch ) at IIT bombay which has almost 100 seats calls for written test and interview to all the students who got above 94%ile and above , NTPC , BEL , BHEL , HAL , TIFR , ISRO , SAIL etc as well. Try to get a good Rank and percentile to get into IIT. all the best
Gate Scorer above 99 percentile
Gate Scorer above 99 percentile have to apply for all IIT’s and IISc with their interested specializations. They also have to apply for NITIE. If they are between 99 and 99.5 and require design or manufacturing specialization, they have to apply PSG, NIT’s or apply non-stipend (self financing) in IIT’s. etc.
Gate Scorer Between 98 to 99
Gate Scorer Between 98 to 99 have to apply for all IIT’s and IISc, They will definitely get seat in IIT’s but not design or manufacturing , but it may be thermal etc. but they have chances to get design or Mfg. If they apply in non-stipend category. They also can apply for NITIE.
Gate Scorer Between 97 to 98
Gate Scorer Between 97 to 98 have to apply for all IIT’s and IISc, PSG coimbuttor, NITIE, NIFFT, for M.Tech, all IIT’s for M.S Programme. you will definitely get seat in IIT’s but not design or manufacturing or thermal but it may be ocean engg, aerospace engg, etc. but they will have chances to get design or Mfg. If they apply in non-stipend category. Also have chances to get M.S Programme in IIT’ with stipend.
Gate Scorer Between 95 to 97
Gate Scorer Between 95 to 97 can apply for all IIT’s for M.Tech with specializations of Ocean Engg, Aerospace Engg., Maintenance Engg. etc type of least preferred ones with stipend and non stipend. There are chances to get this. You also can apply IIT’s for M.S Programme. You have chances to get this, if you have good percentage in B.Tech and if you perform well in the interview. In addition to this you also have to apply for PSG, CIT, NIFFT, VJTI, NITIE, NIT Trichy, NIT Calicutt, BITS, BHU, NIT Suratkal etc.
Gate Scorer Between 90 to 95
Gate Scorer Between 90 to 95 Can apply for M.S Programme in IIT’s . If Candidates have good percentage in B.Tech and if they perform well in the interview they have chances to get a seat. you also have to apply for PSG,CIT,NIFFT,VJTI, NITIE, NIT Trichy, NIT Calicutt, BITS, BHU, NIT Suratkal, NIT-Warangal , NIT Bhopal, NIT Durgapur,all other NIT’s, Karnataka &Tamilnadu Engineering Colleges , SVUCE, JNTU, OUCE, AUCE, etc.
Gate Scorer Below 90
Gate Scorer Below 90 have chances to get seat in NIT Allahabad, NIT Bhopal , University Engg. Colleges like SVUCE, JNTU, OUCE, AUCE, Karnataka and Tamilnadu engg colleges (Govt. & Private) , Jodhpur University etc. Recently in AP also many Engineering colleges has started M.Tech programs and they are also giving stiphend. All below 90 will definitely get seat in this colleges.

GATE Score Analysis


Getting admission into master programme in IITs is a dream for many students. To turn this dream into reality, students prepare hard to get high scores in GATE(Graduate Aptitude Test in Engineering) Examination. The admission is competitive as there are limited seats for different engineering courses.

GATE Score

The GATE cutoff for IIT Kanpur is around 700 for Computer Science for direct admissions. For other branches like EC, IT the cutoff is around 750. The cutoff is lower for a call to the interview and written test. GATE cutoff is around 600 for getting interview call from IITs. To get good score, it is important that you analyze your performance in mock tests.
The GATE cutoff for Electronics and Communication, Mechanical Engineering is higher than for other engineering branches like Computer Science, Electrical Engineering at IITs (Indian Institute of Technology). The cutoff for Civil Engineering is lower compared to Computer science, Electrical Engineering.
The GATE score is valid for two years from the date of announcement of GATE results. The GATE score is made available to all the candidates irrespective of whether they qualified or not. Students can get GATE results from the GATE website or from GATE offices of IISc/IITs.
It is not necessary that if you have lower GATE score, then you will not be called for interview and written test. The candidates with outstanding achievements like publications, industry experience may be called for the interview despite lower score. Even candidates with lower GATE score may get admission if they have good profile. The GATE cutoff is calculated every year on the basis of number of applications received. Hence theGATE cutoff 2011 may vary from GATE 2010 cutoff. For direct admissions, the cutoff is higher. However, those with slightly lower score may get call from IITs for written test or interviews.

Monday, March 14, 2011

POSTGRADUATE ADMISSIONS WITH MHRD SCHOLARSHIP


POSTGRADUATE ADMISSIONS WITH MHRD SCHOLARSHIP
As per the directives of the MHRD, the following procedure is to be adopted for admission to postgraduate programmes (Master and Doctoral) with MHRD scholarship/assistantship. The performance of the candidate in GATE will be considered for admission. If the candidate is to be selected through interview for postgraduate programmes, minimum 70% weightage is to be given to the performance in GATE. The remaining weightage (30% maximum) can be given to the candidate's academic record or performance in interview. Candidate opting for a general paper (XE or XL) may be further examined (by interview/written test) by the admitting institution. In such cases also the weightage for performance in GATE should not be less than 70%. The admitting institution will prescribe minimum passing percentage of marks in the interview. Some colleges/institutes specify GATE qualification as the mandatory requirement even for admission without MHRD scholarship/assistantship.
Candidates are advised to seek details of admission procedures and availability of MHRD scholarship/assistantship from the concerned admitting institution. The criteria for postgraduate admission with scholarship/assistantship are different for different admitting institutions. GATE offices will not entertain any enquiry about admission and award of scholarship/assistantship.
It is the responsibility of the admitting institution to award the MHRD scholarship/assistantship to only those candidates who secured marks equal to or more than the "qualifying mark" in the concerned GATE paper and for the corresponding category of the candidate . The management of the postgraduate scholarship/assistantship is also the responsibility of the admitting institution. The GATE committee also has no role in the award or disbursement of scholarship/assistantship. Similarly, reservation of seats under different categories is as per the policies and norms prevailing at the admitting institution and Government of India rules.
A candidate declared "GATE qualified at the time of admission" is entitled for MHRD fellowship for 24 months unless he/she loses it due to poor performance in the registered programme.
The students of Integrated Master Degree and Dual Degree programmes in Engineering/Technology are eligible to appear in GATE 2011 in order to qualify for the postgraduate scholarships in their own institutions only. They are not eligible for admission to a fresh M.E./M.Tech. programme.

Sunday, March 13, 2011

GATE 2011 Results will be published on 15-03-2011 at 10:00 Hrs...


GATE 2011 RESULTS
GATE 2011 results will be announced on March 15, 2011 at 10:00 hrs. at GATE offices of IISc and seven IITs. GATE 2011 results will also be available on the websites of GATE offices
GATE 2011 score is valid for TWO YEARS from the date of announcement of the GATE 2011 results.
GATE 2011 results may be made available on payment basis to interested organizations (educational institutions, R & D laboratories, industries, etc.) in India and abroad based on a Memorandum of Understanding (MOU) between IIT Madras and the requesting organization. Details in this regard can be obtained from the Chairman, GATE, IIT Madras.
The machine-gradable Optical Response Sheets (ORS) are graded and scrutinized with extreme care. There is no provision for regrading and retotalling. No photocopies of the machine-gradable Optical Response Sheets (ORS) will be made available. No correspondence in this regard will be entertained.As Per schedule
GATE Score Card Details about the contents of Scorecard will be made available inhttp://gate.iitm.ac.in/ website. There is no provision for issue of Additional GATE scorecards. GATE is conducted through the constitution of eight zones. The zones and the corresponding administrative institutes are:
The overall coordination and responsibility of conducting GATE 2011 lies with Indian Institute of Technology Madras, designated as the Organising Institute for GATE 201.

Friday, March 11, 2011

Properties of discrete-time linear convolution and system properties



Properties of discrete-time linear convolution and system properties
If  and  are sequences, then the following useful properties of the discrete time convolution can be shown to be true
1. Commutativity
2. Associativity
 `
3. Distributivity over sequence addition
4. The identity sequence 
5. Delay operation
6. Multiplication by a constant
Note that these properties are true only if the convolution sum (4.4) exists for every n.
If the input output relation is defined by convolution i.e. if
For a given sequence a, then the system is linear and time invariant. This can be verified
using the properties of the convolution listed above. The impulse response of the systems is obviously.
In terms of LTI system, commutative property implies that we can interchange input and impulse
response.

Fig 4.5
The distributive property implies that parallel interconnection of two LTI system is an LTI system with
impulse response as sum of two impulse responses.

Fig 4.6
The associativity property implies that series connection of two LTI system is an LTI system.
Where impulse response is convolution of individual responses. The commutativity property
implies that we can interchange the order of the two system in series.

Fig 4.7
Since an LTI system is completely characterized by its impulse response,
we can specify system- properties in terms of impulse response.
  1. Memoryless system: From equation (4.4) we see that an LTI system is memory less if and only if.
  2. Causality for LTI system: The output of a causal system depends only on preset and past-values
  3.  of the input. In order for a system to be causal  must not depend on a for. From equation (4.4) we see that for this to be true, all of the terms  that multiply values of  for  must be zero.

  4. put   to get

    or 
    Thus impulse response  for a causal LTI system must satisfy the condition h[n] = 0 for n < 0.
    If the impulse response satisfies this condition, the system is causal. For a causal system we can write         

  5. or             
     We say a sequence  is causal if a, for n < 0.
  6. Stability for LTI system: A system is stable if every bounded input produces a bonded output. Consider  input  such that    for all n.
      
Taking absolute value
From triangle inequality for complex numbers  we get
         
Using property that 
Since each  we get
         
If the impulse response is absolutely summable, that is
                                                                                                                                    (4.5)
then      
and  is bounded for all n, and hence system is stable. Therefore equation (4.5) is sufficient condition for system to be stable. This condition is also necessary. This is prove by showing that if condition (4.5) is violated then we can find a bounded input which produces an unbounded output. Let
Let      
          
This is a bounded sequence
                                     
                               
So y[0] is unbounded. Thus, the stability of a discrete time linear time invariant system is equivalent to absolute summability of the impulse response.

 note:- the above all information is produced by IIT under NPtel programme 

Thursday, March 10, 2011

solve this !!!



"if a 0.1mm paper is folded 100 times then what will be the thickness of it after 100 foldings?"