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Recent questions tagged general-topic-doubt

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Digital Logic - Gray Code Representation
Hi, Can someone please tell if gray code representation can also work for negative binary number? I’ve seen examples of gray code for only positive binary number not sure about negative , can someone pls clear the doubt ?

krish71 asked in Digital Logic Aug 1, 2022

169 views

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#test series.
How to take tests on GO ? When i am going to gate test series on GO...it is asking registration number..but i have got none ..how to get registered for exam??

Ritabrata Dey asked in GATE May 24, 2019

by Ritabrata Dey

164 views

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1 answer

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Self Doubt - Aptitude
How to know whether in this question answer will be 6^4 or 4^6. In how many ways can a person send invitation cards to 6 of his friends if he has 4 servants to distribute the cards?

Ashish Roy 1 asked in Quantitative Aptitude Mar 21, 2019

by Ashish Roy 1

213 views

1 vote

1 answer

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General Topic Doubt Set Theory & Algebra: Relations
How to check a relation is transitive or not from its matrix representation? Please help me with an example.

Sona Barman asked in Set Theory & Algebra Mar 8, 2019

523 views

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Access time
What is formula of Average memory access time? And formula of effective access time? And the difference between them . I always mix them .

Alina asked in CO and Architecture Jan 6, 2019

by Alina

226 views

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1 answer

6

Self-doubt
In floating point representations , how to determine what is to be subtracted from the exponent ? In 32 bit representation, somewhere it is said to subtract 128 from the exponent, somewhere it is written 127 to be subtracted ? How to check this ?

kman30 asked in Digital Logic Jan 6, 2019

by kman30

391 views

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7

memory write
why data Bus is not involved in memory write operation??

Sarthak Mittal asked in CO and Architecture Dec 13, 2018

by Sarthak Mittal

170 views

1 vote

0 answers

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Computer Organization & Architecture
How to calculate how many memory references will Instruction Decode phase take in an Instruction Cycle?

Gaurangi Katiyar asked in CO and Architecture Dec 8, 2018

by Gaurangi Katiyar

219 views

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0 answers

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General Topic Doubt General Aptitude: Numerical Ability

Dhanraj vishwakarma asked in Mathematical Logic Dec 5, 2018

by Dhanraj vishwakarma

334 views

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1 answer

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Self-Doubt
Consider Main memory M and Cache C. 1. When we say the access time of main memory is T what parameters does it include?Is it . just obtaining data from M or .obt data from M and Transfer it to cache(I understood as this) or . Obt data from M, ... which scenario do we take? Pls, help me with these finer aspects. I understood the overall idea. In NATs, I'm missing by small margins.

Aravind Adithya 1 asked in CO and Architecture Nov 23, 2018

by Aravind Adithya 1

164 views

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1 answer

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General Topic Doubt Theory of Computation: Recursive And Recursively Enumerable Languages
State True or False with a reason .Is Recursive lang. turing recognizable

Pavan Shetty asked in Theory of Computation Nov 17, 2018

by Pavan Shetty

648 views

1 vote

2 answers

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General Topic Doubt General Aptitude: Numerical Ability
What is the smallest number that when divided by 12, leaves 10, when divided by 16, leaves 14 and when divided by 24, leaves 22 as a remainder?

Devshree Dubey asked in Quantitative Aptitude Oct 9, 2018

by Devshree Dubey

479 views

1 vote

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Pipeline performance reduced if different stages have different execution delays
The pipeline performance is reduced if the different stages of a pipeline have different delays I know that in the pipeline, Tclock is taken as the Max(Ti)+Tbuffer time, and so, if the pipeline ... that having different delays for the different stages of the pipeline will affect the performance. Please explain ?

Harsh Kumar asked in CO and Architecture Oct 2, 2018

257 views

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Load Back Cache
In the memory access time formula for the hierarchical cache - which is given as :$Emat = H1\times T1 + (1-H1)(H2\times (T1+T2) + (1-H2)\times (T1+T2+T3))$ (where Hi = Hit Ratio for the i-th level cache and Ti = Access time for i- ... transferred into the cache. Is my intuition correct? If yes, then what should be the Emat formula for Load Back cache ? Should we add extra Ti values?

Harsh Kumar asked in CO and Architecture Sep 29, 2018

218 views

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1 answer

15

Cache
What happens on write miss in a write back cache? First write in main memory then bring the block to cache (dirty bit = 0) or First bring the block to cache then write it (dirty bit = 1).

MayankSharma asked in CO and Architecture Sep 14, 2018

by MayankSharma

588 views

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CO general doubt
Consider an array has 100 elements and each element occupies 4 words .A 32 word cache is used and divided into a block of 8 words .What is the hit ratio for this statement for(i=0; i<100; i++) A[i] = A[i]+10; I just want to ask that whenever ... ie 2 elements) are fetched and placed in cache,so why we are doing like this is it because we have to follow law of spatial locality ?

Prince Sindhiya asked in CO and Architecture Sep 14, 2018

by Prince Sindhiya

271 views

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0 answers

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General Topic Doubt Operating Systems: Fork
what is output?

arun_singh asked in Operating System Aug 4, 2018

438 views

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General Topic Doubt Digital Logic: Min No Gates
What are the minimum number of nand or nor gates required for 2 bit adder ( ie. 4 input A,B,C,D) ?

adil.wadood asked in Digital Logic Jul 3, 2018

442 views

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General Topic Doubt Programming & DS: Programming
How Format specifiers in C works? If the Code is : #include <stdio.h> int main(void) { // your code goes here char *s= "First Name"; int x= 12345; printf("%-15s%c\n", "First Name", ':'); ... due to the 10 its length should be 10 minimum so should get more spaces. code is here also :https://ideone.com/Mo5jwf

s9k96 asked in Programming Jun 27, 2018

by s9k96

273 views

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1 answer

20

General Topic Doubt Digital Logic: Min No Gates
Consider a $3-bit$ number $A$ and $2 bit$ number $B$ are given to a multiplier. The output of multiplier is realized using $AND$ gate and one-bit full adders. If the minimum number of $AND$ gates required are $X$ and one-bit full adders required are Y, then $X+Y = $ _______

saumya mishra asked in Digital Logic May 31, 2018

by saumya mishra

1.5k views

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0 answers

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General Topic Doubt Compiler Design: Live Variable

Ronish Jariwala 1 asked in Compiler Design Apr 15, 2018

by Ronish Jariwala 1

321 views

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General Topic Doubt: Algorithms - Dynamic Programming
Read the following statements about 0/1 Knapsack problem. (i) Time complexity of Knapsack is O(n* W) where W is the weight of the Knapsack and there are n items. (ii) Time complexity of Knapsack is min( O(n*W) , O(2^n) ) where W is the weight of the ... ) and (iii) is true (ii) and (iii) is true (i) ( iii) (iv) is true (ii) (iii) (iv) is true.

VIKAS TIWARI asked in Algorithms Dec 13, 2017

by VIKAS TIWARI

856 views

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1 answer

23

General Topic Doubt Set Theory & Algebra: Sets
ϕ ∈ PowerSet( A ) {ϕ } ⊆ PowerSet( A ) is both equal ? If not give explanation .

hem chandra joshi asked in Set Theory & Algebra Oct 31, 2017

by hem chandra joshi

1.4k views

4 votes

1 answer

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General Doubt
Other than the GO book for CS or previous year question papers, are there any resources where I can get a large no. of solved/unsolved questions or problems? This can be PDFs or any other form of books of some institutes or any such. If you have any, please share them here so that it will be helpful. Thanks!

thecrazyfunk asked in Study Resources Oct 5, 2017

by thecrazyfunk

409 views

0 votes

2 answers

25

General Topic Doubt Theory of Computation: Context Free Language
I am confused in understanding DPDA and NPDA..........Also DCFL and CFL......bcz these are quit similar in looking so please explain in such a way that I 'm able to understand them well......thanks

sudhir singh asked in Theory of Computation Sep 9, 2017

by sudhir singh

228 views

2 votes

4 answers

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General Topic Doubt Databases: Er Diagrams

KISHALAY DAS asked in Databases Oct 25, 2016

by KISHALAY DAS

2.1k views

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1 answer

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General Topic Doubt Set Theory & Algebra: Groups
In the above question my doubt is instead of under multiplication if we change under ADDITION then what is its value?plz someone explain details.

dileswar sahu asked in Set Theory & Algebra Oct 11, 2016

by dileswar sahu

199 views

2 votes

3 answers

28

General Topic Doubt Operating System: Fork
How is the answer coming out to be 32?

Ishita Gupta asked in Operating System Sep 10, 2016

by Ishita Gupta

813 views

11 votes

5 answers

29

General Doubt
the complement of every context-free language is recursive ? or recursive enumerable? or both?

lakshmi narayana asked in Theory of Computation Jan 8, 2015

by lakshmi narayana

12.0k views

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