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3
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1
GATE2016144
Let $X$ be a recursive language and $Y$ be a recursively enumerable but not recursive language. Let $W$ and $Z$ be two languages such that $\overline{Y}$ reduces to $W$, and $Z$ reduces to $\overline{X}$ (reduction means the standard manyone ... recursively enumerable. $W$ is not recursively enumerable and $Z$ is recursive. $W$ is not recursively enumerable and $Z$ is not recursive.
commented
Feb 18, 2016
in
Theory of Computation

4.6k
views
gate20161
theoryofcomputation
easy
recursiveandrecursivelyenumerablelanguages
6
answers
2
GATE2016128
A function $f: \Bbb{N^+} \rightarrow \Bbb{N^+}$ , defined on the set of positive integers $\Bbb{N^+}$,satisfies the following properties: $f(n)=f(n/2)$ if $n$ is even $f(n)=f(n+5)$ if $n$ is odd Let $R=\{ i \mid \exists{j} : f(j)=i \}$ be the set of distinct values that $f$ takes. The maximum possible size of $R$ is ___________.
commented
Feb 18, 2016
in
Set Theory & Algebra

6.2k
views
gate20161
settheory&algebra
functions
normal
numericalanswers
5
answers
3
GATE2016132
The stage delays in a $4$stage pipeline are $800, 500, 400$ and $300$ picoseconds. The first stage (with delay $800$ picoseconds) is replaced with a functionality equivalent design involving two stages with respective delays $600$ and $350$ picoseconds. The throughput increase of the pipeline is ___________ percent.
commented
Feb 17, 2016
in
CO and Architecture

8.4k
views
gate20161
coandarchitecture
pipelining
normal
numericalanswers
4
answers
4
ISRO201428
Suppose there are 11 items in sorted order in an array. How many searches are required on the average, if binary search is employed and all searches are successful in finding the item? 3.00 3.46 2.81 3.33
commented
Feb 17, 2016
in
Algorithms

4.4k
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algorithms
binarysearch
isro2014
50,645
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56,542
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195,693
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101,534
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