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Answers by vikas999

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1

self doubt-swap space
What is swap space in secondary memory?

answered in Operating System Jun 7, 2019

356 views

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2

answered in Databases Aug 20, 2018

537 views

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3

GATE IT 2006 | Question: 15
Which of the following relational query languages have the same expressive power? Relational algebra Tuple relational calculus restricted to safe expressions Domain relational calculus restricted to safe expressions II and III only I and II only I and III only I, II and III

answered in Databases Aug 19, 2018

9.0k views

1 vote

4

STUDY
I am starting mathametics from today, So what should be my approach while doing maths questions ? Just previous year questions and then concepts clearance from there Or from some standard book or resources.IF from any standard resource then please share the link......... @Arjun sir @srestha mam. ALL SUGGESTIONS ARE WELCOME .

answered in Study Resources Aug 19, 2018

610 views

1 vote

5

answered in Databases Aug 19, 2018

541 views

1 vote

6

Gate Preparation
when any theory question is asked how to attempt them in Gate. Is it required to read the standard text books for these things to answer?

answered in Others Aug 19, 2018

232 views

1 vote

7

answered in Operating System Aug 19, 2018

322 views

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8

Self Doubt
How many minimum number of tables required to represent a Department entity which having two multi valued attributes phone and office?

answered in Databases Aug 18, 2018

532 views

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9

doubt toc
wxw ;w,x belongs to {a,b}* this regular or dcfl or cfl??? somewhere it is written as regular but dontknow why??

answered in Theory of Computation Aug 18, 2018

490 views

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10

ER To RDBMS
Consider an Entity-Relationship (ER) model in which entity sets E1 and E2 are connected by an 1:1 relationship R. Primary key of E1 and E2 are A and B respectively. There is total participation at one end (say E1). Find minimum number Of table required in RDBMS

answered in Databases Aug 18, 2018

436 views

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11

Er model
why we can merge one-one relation in two table despite of partial participation at both end.it is possible of inserting too many null value?

answered in Databases Aug 18, 2018

315 views

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12

role of priority in round robin scheduling
if priorities of processes are given in question which has to be solved using round robin policy , how the order of execution is decided by FCFS or on base of priority

answered in Operating System Aug 18, 2018

578 views

1 vote

13

Round Robin Scheduling, Process Management
https://gateoverflow.in/?qa=blob&qa_blobid=16270598854891321293 For the above problems the solutions will be 22, 220 and 210. According to the given data, if we change the time quantum 20 ms to 10 ms then what will be the answers of those 3 questions ?, I got 12, 120 and 110 can anyone solve and explain clearly whether my answer is correct or not ?

answered in Operating System Aug 18, 2018

337 views

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14

Operatin system Galvin
Why shortest job first is not practically implementable. There are two possible answers 1. Starvation 2. Burst time of processes cannot be known ahead. So i am not getting the meaning of 2nd answer.

answered in Operating System Aug 18, 2018

455 views