Questions by Learner_jai

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1

MadeEasy Test Series: CO & Architecture - Speedup
A hypothetical processor on cache read miss require one clock to send an address to MM and eight clock cycle to access a 64 bit word from MM to processor cache.miss rate of read is decreased from 14.8% to 2.6% when line size of cache is ... bz , the complete line got transfer when request of one word is made in ans key it is 4*(1+8) mentioned

asked in CO and Architecture Jan 17, 2019

359 views

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2

ME test
cache B access time ?

asked in CO and Architecture Jan 15, 2019

275 views

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0 answers

3

ME CBT 1
WHICH ONE OF THE following represent the overflow in signed arithmetic? xyx+x’y’z’ x’yz’ + xyz’ x’y’z+xyz’ xy’z’ + x’y’z Dount: in this it is not mentioned anything about x,y,z how one can assume two are number and one is for carry without information, x,y,z can be three numbers also, we all know answer bz it is already come in gate previous year, please guide me

asked in Digital Logic Jan 14, 2019

202 views

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4

Made Easy CA
memory can be accessed only through load and store,p,q,r,s,t initially stored in memory,binary operator can be evaluated only when both operands are in register, I am getting 3 , but given is 4 .

asked in CO and Architecture Dec 30, 2018

171 views

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3 answers

5

MadeEasy Test Series: CO & Architecture - Addressing Modes
The Data transfer instruction size is $64-bit$ ALU, ALU operation instruction size is $32-bit$ and branch instruction size is $16-bit$. Assume program has been loaded in the memory starting from address 3000 decimal. If an ... executing, PC value will be 3030, but given answer is 3028 Previous Q: https://gateoverflow.in/1058/gate2004-63

asked in CO and Architecture Dec 27, 2018

1.6k views

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0 answers

6

Compiler theory
LR grammars describe a proper superset of the languages recognized by LL (predictive) parsers “Unable to interpret this statement completely” Please guide Source: https://parasol.tamu.edu/~rwerger/Courses/434/lec8.pdf

asked in Compiler Design Dec 23, 2018

255 views

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0 answers

7

Rice theorem
1.{<M>| M is a TM accepts any string starting with 1} 2.{<M>| M is TM accept exactly 20 strings} Please guide I don’t know how to apply rice theorem. for 1. Is Tyes = { string starting with 1} Tno = { all strings – strings starting with 1} what is Tyes and Tno here? I only conclude by intution that when we provide strings as input some got into loop and some got accepts .

asked in Theory of Computation Dec 17, 2018

611 views

1 vote

1 answer

8

Turing Machine lecture content stan..
A = { <M,w> | M is a TM that accepts W} what is A’( A complement)? Pls guide : M is a Tm doesn,t accept w, Unable to approach further Source:https://web.stanford.edu/class/archive/cs/cs103/cs103.1134/lectures/20/Small20.pdf

asked in Theory of Computation Dec 16, 2018

309 views

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9

JOIN (Natural join)
In a natural join, the common attribute occur only once, but in join https://gateoverflow.in/3718/gate2004-it-74 Select * from Student, Department in this common, attribute we have given m+n I tried in w3 schools https://www.w3schools. ... Orders, Customers WHERE City='Berlin' AND OrderID = '10248' here common attribute is occuring only once, PLease guide .

asked in Databases Dec 14, 2018

412 views

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1 answer

10

Interview Question
Given an Unsorted array, Find maximum in less than O(n) time? How can we do this?

asked in Algorithms Nov 27, 2018

479 views

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0 answers

11

gate calculator 86.4 or 86.5
The probability that the ace of the spades will be drawn from a pack of well-shuffled cards atleast once in 104 consecutive trials is __________. (in % upto 1 decimal place)

asked in Probability Jan 30, 2018

3.0k views

2 votes

0 answers

12

TEST VERtICEs,GrApH
Assume that G is a simple graph of 20 edges, 6 vertex of degree 4 and other nodes have degrees 5, then the maximum number of vertex of G is _______. Answer given is 9, But how 9 can be? 6 vertex of degree 4, 3 vertex of degree 5 ( contradict :odd degree should be even in number) I think it will be 8

asked in Mathematical Logic Jan 20, 2018

262 views

4 votes

1 answer

13

DCFL COMPLETENESS PROBLEM
DCFL COMPLETENESS PROBLEM is decidable or not? L=(sigma)* Not getting any discussion regarding it in GO,iN GO chart it is decidable but I am not able to conclude the reason please guide?

asked in Theory of Computation Jan 18, 2018

712 views

1 vote

0 answers

14

Made Easy DATA INTER.
In 2nd figure total is 110 not 100 ,I am getting 77.2.Please guide

asked in Verbal Aptitude Jan 16, 2018

228 views

3 votes

0 answers

15

Recursion
The sum of all values printed by Rec (6) is _______.

asked in Programming in C Dec 29, 2017

760 views

1 vote

1 answer

16

Probability NPTEL assignment
Find Value of alpha?

asked in Mathematical Logic Dec 20, 2017

473 views

0 votes

0 answers

17

cache memory ,please help!
Doubt: Stuck with equations, Please guide,I am not getting answers with this and still I am not able to conclude my mistake Cache: Read- Hit rate(Hit time) + Miss rate[Hit rate Memory(cache search time+MM )+Miss rate memory(cache search time+MM +sec ... units. Then, the value of P is I have not Mug up any formula but even though came up with wrong answers,Please guide

asked in CO and Architecture Dec 18, 2017

219 views

1 vote

0 answers

18

Random
Consider the simple nested-loop join of the following two relations r and s. Relation r s Tuples (n) 2400 1500 Blocks (b) 40 50 Assuming the worst case memory availability, i.e., the memory can hold only one block of each relation at a time, what is the number of block transfers and seeks? Doubt: I am unable to find number of seek,Please guide?

asked in Databases Dec 11, 2017

144 views

1 vote

0 answers

19

Assignment-Cache,please guide
The access time of cache memory is 45 nsec and that of main memory is 750 nsec. It is found that 75% of memory requests are for read and remaining for write. If the hit access for read and write is 0.9 and 1 respectively and write through protocol is ... protocol is used in write equation In answer given 0.75[0.9(45)+0.1(750)] where i lag the concept,please help

asked in CO and Architecture Dec 10, 2017

376 views

0 votes

1 answer

20

Test-Assignment
Doubt:getting confused in these two options, if 1 is true,what changes make 2 true or vice versa Consider the set of relations shown below and the SQL query that follows. Students: (Roll_number, Name, Date_of_birth) Courses: (Course number, Course_name, Instructor ... at the minimum one of the courses taught by Verma Name of all passed students in all of the courses taught by Verma

asked in Databases Dec 10, 2017

595 views

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