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GATE CSE 2020 | Question: 40
Let $G = (V,E)$ be a directed, weighted graph with weight function $w: E \rightarrow \mathbb{R}$. For some function $f: V \rightarrow \mathbb{R}$, for each edge$(u,v)\in E$, define ${w}'(u,v)$ as $w(u,v)+f(u)-f(v)$. Which one of the ... from $s$ to $u$ in the graph obtained by adding a new vertex $s$ to $G$ and edges of zero weight from $s$ to every vertex of $G$
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Algorithms
Mar 11, 2020
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2
GATE CSE 2016 Set 1 | Question: 18
Which one of the following regular expressions represents the language: the set of all binary strings having two consecutive $0$'s and two consecutive $1$'s? $(0+1 )^ *0011 (0+1)^* +(0+1)^*1100(0+1)^*$ $(0+1)^* (00(0+1)^*11+11(0+1)^*00)(0+1)^*$ $(0+1)^*00(0+1)^* + (0+1)^*11 (0+1)^*$ $00(0+1)^*11 +11(0+1)^*00$
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Theory of Computation
Jan 17, 2020
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gatecse-2016-set1
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regular-expression
normal
2
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3
GATE CSE 2012 | Question: 7
The decimal value $0.5$ in IEEE single precision floating point representation has fraction bits of $000\dots 000$ and exponent value of $0$ fraction bits of $000\dots 000$ and exponent value of $−1$ fraction bits of $100\dots 000$ and exponent value of $0$ no exact representation
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Digital Logic
Dec 25, 2019
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gatecse-2012
digital-logic
normal
number-representation
ieee-representation
4
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4
Demand Paging
Suppose: TLB lookup time = 20 ns TLB hit ratio = 80% memory access time = 75 ns swap page time = 500,000 ns 75% of pages are dirty OS uses a 3 level page table What is the effective access time (EAT) if we assume the page fault rate is 15% ?
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Operating System
Nov 25, 2019
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operating-system
demand-paging
memory-management
multilevel-paging
3
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5
If m number of bits are used for representing a sequence number in selective-repeat ARQ
If m number of bits are used for representing a sequence number in selective-repeat ARQ,then the maximum size of sliding window is 2m-1 .Justify this statement using a boundary case example.What will happen if the size of sliding window exceeds 2m-1 ?
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Computer Networks
Nov 11, 2019
8.4k
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computer-networks
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