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Expression evaluation question
To evaluate an expression with any embedded function call at any time how many stacks are needed?
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gate 2018
i completed 6 subject till now . (ds &c , daa,toc,cd,os,rdbms ) and 5 subject are remaining (co, dcld ,cn ,discrete mathematics)but till now i am ... ,cn ,discrete mathematics ) which are more scoring. gate mostly ask from those topics .
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made easy test series
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does turing machine accept null?
does turing machine accept null? if not then those set of languages that are accepted by turing machine shoud not generate null string??
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self doubt
this is a solution of this question https://gateoverflow.in/5461/consider-the-following-schedulemy doubt is in option c T3 have w3x then r3x which means t3 ... by t2 . will this create a inconsistency or any other anomaly in database?
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b+ tree
A B+ tree of order 'd' is a tree in which each internal node has between 'd' and '2d' keys values. The root has between 1 and '2d' values. What is the maximum number of internal nodes in a ... 13 C.17 D.19
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self doubt
what does this condition means in time stamp ordering protocol "TS(Ti) ≥ WTS(Q) " ?
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Probability
In an area, it rains once in every three days. The local evening newspaper attempts to predict whether it rains or not in the following day. Three ... s paper predicts rain, what is the probability that it will actually rain tomorrow?
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Bellman Ford Algorithm self doubt
Is Bellman ford considered as Greedy Algorithm or Dynamic programming? If both then please explain approaches in both methods.Thanks
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GNF Question
S->AB/0,A->BC/1,B->CD/2,C->AD/0,D->1Convert it into GNF.
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madeeasy work book
https://gateoverflow.in/?qa=blob&qa_blobid=13192646339913379886please someone exaplain ?
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c Language
#include <stdio.h>int main(void){ int a=3,b,c,d=10,e=20,f; c= ++a + a++ + a++ + ++a; b= ++d + ++d + ++d + ++d; f= ... printf("%d %d\n",e,f); return 0;}please give the detailed explanation how it works? and what is the output?
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backtracking and branch and bound, how is this correct?
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Huffman Coding
#Hashing.I think answer should be 193.75 but in option answer is 1.9375.
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Inherently Ambiguous Grammar
Is every language that is generated by a NDCFG (Non Deterministic Context Free Grammar) , CSG (Context Sensitive Grammar) and Unrestricted Grammar inherently ambiguous ... how do I determine if the language is inherently ambiguous or not?
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What does CPI in Pipelining actually mean?
Require detailed explanation along with formulas and which formula to use depending upon each scenario
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SQL check operator
Create table Student(Rno numeric, Name varchar(20),Marks numeric, Course varchar(30));In order to ensure that the value of Marks should not exceed 100, which of the ... (Marks>=100) Alter(Marks<100) Check (Marks>=100) Check(Marks<100)
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Ongc through gate
I want job in ongc through gate in petroleumI did BE in InstrumentationAnd ME in PetroleumAm i eligible for ONGC?
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output of program
main ( ){int n=4;move(n,'A','B','C');}move(n,sp,ap,ep)int n;char sp,ap,ep;{if (n= =1) printf( move from %C to %C ,sp,ep); else{move(n-1,sp,ep,ap); ... of above program? Move from C to A Move from A to C Move from B to C Move from B to A
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scheduling
sequence _______ is The an optional non-preemptive scheduling sequence for the following jobs which leaves the CPU idle for ______ unit (s) of time. {1,2,3},5 {3,2,1},0 {2,1,3},0 {3,2,1},1
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Programming Previous Year Question
References : https://gateoverflow.in/893/gate2003-2int *A[10];so can any one describe A[2][3];A[2] is valid . As it is array of pointer and A[2] third ... 2][3] . And I am getting compilation error . using compiler DEV C++ Version 5.11
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question
The subnet mask for a particular network is 255.255.252.0. Which of the following pairs of IP addresses could belong to this network? A. 172.57.88.62 and 172.57.87.233 B. ... 191.203.31.87 and 191.234.31.88 D. 128.8.129.43 and 128.8.131.42
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Sender Window size
why sender window size is equal to 1+2a in sliding window.
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Gate 2000
A graphics card has an onboard memory of 1 MB.Which pf the following modes can card not support?(a)1600 x 400 resolution with 256 colours on a 17 inch monitor. ... inch monitor.(d)800 x 800 resolution with 256 colours on a 14 inch monitor.
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Peter Linz Edition 4 Example 10.5 (Page No. 272)
Find a linear bounded automata that accepts the language1. L={a^(n!) : n>=0}2. L ={a^n : n is perfect square}Please explain.
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fibonacci
How fibonacci timecomplexity on dynamic approach and recursive approach is differentCouldnt understand the algo properly If someone could help :)
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sorting
Sorting that will work best for powers of base n
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general gate preparation doubt.
When should one stop preparing a subject?Gate has a huge syllabus. Even in a single subject a lot of topics are there. Obviously one must understand the basics ... for people who had sat for gate before and secured a good rank. Thanks.
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Performance Evaluation in pipelining all formulas
Please, Can someone post all those formulas, that are there besides the ones given in Carl Hamacher's CO book!
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Floating point number
What is the smallest representable floating point number in fractional form of IEEE 754 single precision format? 2(-149)Explanation:0.00…01×2(-126)= 2(-23)× 2(-126)= 2(-149) 2(-147)None 2(-148)
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