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Recent activity by Astitva Srivastava

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Made easy Workbook 2020
Question:$T(1)=1$$T(n) = 2 T(n - 1) + n$evaluates to?Can anyone solve it by substitution method?Given answer $T(n) = 2^{n+1} - (n+2)$How?
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direct mapping and types of misses
Consider a cache as follows:Direct mapped8 words total cache data size2 words block sizeA sequence of eight memory read is performed in the order shown from the following...
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GATE2017 ME-2: GA-8
There are $4$ women $P, Q, R, S$ and $5$ men $V, W, X, Y, Z$ in a group. We are required to form pairs each consisting of one woman and one man. $P$ is not to be paired w...
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Test by Bikram | Computer Networks | Test 1 | Question: 25
A $3000$ km long trunk operates at $1.536\times 10^6$ bps and is used to transmit $64$ byte frames using sliding window protocol. If the propagation speed is $6$ microsec...
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GATE CSE 2019 | Question: 25
Consider a sequence of $14$ elements: $A=[-5, -10, 6, 3, -1, -2, 13, 4, -9, -1, 4, 12, -3, 0]$. The sequence sum $S(i,j) = \Sigma_{k=i}^j A[k]$. Determine the maximum of ...
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finding two positive integers in an array
I'm facing a problem these days, the question is saying the following: " Imagine we are having an array of positive integers called (a) and a variable called (k). Among t...
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GATE Overflow | Mock GATE | Test 1 | Question: 46
Which of the following statements is/are not correct?(P) The class of all Turing Machines is countably infinite(Q) The class of all DCFL's is countably infinite(R) The cl...
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GATE CSE 2009 | Question: 21
An unbalanced dice (with $6$ faces, numbered from $1$ to $6$) is thrown. The probability that the face value is odd is $90\%$ of the probability that the face value is ev...
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GATE CSE 2013 | Question: 52
A computer uses $46\text{-bit}$ virtual address, $32\text{-bit}$ physical address, and a three–level paged page table organization. The page table base register stores ...
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GATE CSE 2017 Set 1 | Question: GA-9
Arun, Gulab, Neel and Shweta must choose one shirt each from a pile of four shirts coloured red, pink, blue and white respectively. Arun dislikes the colour red and Shwet...
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Test by Bikram | Computer Organization and Architecture | Test 1 | Question: 17
The fastest mode of data transfer is:Programmable I/OInterrupt I/ODMABoth A and B
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MadeEasy Full Length Test 2018: CO & Architecture - Cache Memory
Consider the following cache A and B .let the average access times in cache A and B is $t_A$ and $t_B$ respectively.the value of $t_A+t_B$ _(in ns)Answer is given as 30.1...
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Disk Scheduling
How does LOOK algorithm decides that this is the last request? What technique is used to determine that after this request, instead of going to the end of disk, the direc...
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Inherently ambiguous grammar
Q- Which one of following languages is inherently ambiguous?(A) The set of all strings of the form $\left\{a^nb^n,n>0 \right\}$(B) $\left\{a^nb^nc^md^m,n,m>0 \right\}$(C)...
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Made easy test series
Consider a single level cache with an access time of 2.5ns, a line of 64B and a hit ratio of 0.95. Main memory uses a block transfer capability that has a first word i.e....