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Questions by santhoshdevulapally
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1
CN BY KUROSE AND ROSE
Statistical multiplexing in which an example is provided with a 1Mbps link.Users are generating data at a rate of 100kbps when busy,but are busy generating data only with probability p=0.1. a)Now consider packet switching and a user population of M users.Give a formula (in terms ... with (1-p) probability. =p*M+(N-M)*(1-p) This is my approach ,please correct me if i did wrong.
asked
in
Computer Networks
Nov 10, 2017
478
views
0
votes
0
answers
2
CSL AND CFL
1)L={W$W^{R}WW^{R}/ W\epsilon (0+1)^{+}$ } IS THIS CSL OR CFL. 2)L={$a^{m}b^{n}c^{p}/(m=n) or (n=p)}$ } IS THIS DCFL OR CFL. Please construct PDA for 2nd language. --------------------------------------------------------------------------------- I think 1st is CSL and 2nd is CFL
asked
in
Theory of Computation
Jan 25, 2017
487
views
1
vote
0
answers
3
Maximum file size in os
How to calculate MAXIMUM POSSIBLE FILE SIZE and TOTAL POSSIBLE FILE SIZE in unix os. -------------------------------------------------------------------------------------- My approach is Maximum possible file size= ... $[#direct dba's+DB size/DBA.+[DB size/DBA]^{2}+......]* DB size$
asked
in
Operating System
Jan 15, 2017
1.3k
views
0
votes
0
answers
4
Scheduling
In optimal non preemptive scheduling algorithm. ----------------------------------------------------------- My approach --Process the requests according to minimal burst time of all pocess.is it correct???
asked
in
Operating System
Jan 6, 2017
148
views
1
vote
1
answer
5
APTITUDE
Let A can finish the task in 8 days and B can finish the same task in 10 days. How many days are required to finish the task if both are working alternate days.?? --------------------------------------------------------- Ans ;;$8\frac{4}{5}$ days.
asked
in
Verbal Aptitude
Jan 5, 2017
462
views
2
votes
1
answer
6
PRECEDENCE GRAPH
T1 T2 T3 T4 R(X) W(X) C3; W(X) C1; W(Y) R(Z) C2; R(X) R(Y) C4; ----------------------------------------------------------------------------------------------------------------------------------------- Doubt: Transaction T3 is commited before T1 and w-w problem.This results is there any edge between T3 and T1 in precedence graph or not??
asked
in
Databases
Jan 5, 2017
1.4k
views
3
votes
1
answer
7
REGULAR LANGUAGES
L={WX$W^{R}$ / W,X$\epsilon (a+b)^{*}$.} L={XW$W^{R}$ / W,X$\epsilon (a+b)^{*}$.} l={W$W^{R}$X /W,X $\epsilon (a+b)^{*}$.} which of the above are REGULAR LANGUAGES.? ---------------------------------------------- ... all are regular I)w=$\epsilon$ then w^r=$\epsilon$ and x=$(a+b)^{*}$ // it accept complete language so it is regular. same as for remaining problems also.am i ryt???
asked
in
Theory of Computation
Jan 4, 2017
468
views
0
votes
0
answers
8
SHIFT REGISTER
any one explain the circuit diagram,what modifications done by AND gate to the i/p??
asked
in
Digital Logic
Jan 4, 2017
390
views
2
votes
0
answers
9
No of symmetric relations
No of Symmetric relations containg set with A={1,2,3,4,5,6,7} which contain exactly four ordered pairs.
asked
in
Mathematical Logic
Jan 4, 2017
948
views
1
vote
1
answer
10
Live variable
What is live variable and dead code elimination. please explain with example each
asked
in
Compiler Design
Jan 4, 2017
670
views
compiler-design
live-variable-analysis
descriptive
1
vote
0
answers
11
SDT Actions
E->number {E.val=number} E->E+E {E.val=E1.val+E2.val} E->E*E {E.val=E1.val*E2.val} How it detects S/R conflict and resolves the conflict infavour of shift over reduce action.
asked
in
Compiler Design
Jan 4, 2017
197
views
1
vote
1
answer
12
AUTOMATA
In the exam for a given finite automata Find the minimum no of states means consider DFA or NFA.
asked
in
Theory of Computation
Jan 2, 2017
575
views
0
votes
0
answers
13
PDA-ACCEPTANCE
// pda accept the string in 2 -ways.either by final state or empty stack. my doubt is in the diagram at state q1 is for every 'a' it pops one 'b'.when no of 'b' are equall it accept or not. and what is the language accepted by above PDA?
asked
in
Theory of Computation
Jan 2, 2017
607
views
2
votes
1
answer
14
MATCHING NUMBER
what is the matching number of $K_{2,3}$ graph.and also explain matching number of $K_{m,n}$(simplification).
asked
in
Graph Theory
Dec 31, 2016
392
views
graph-theory
graph-matching
0
votes
0
answers
15
WHY WE CANNOT HANDLE L-ATTRIBUTE SDD'S ON LR GRAMMARS.
asked
in
Compiler Design
Dec 28, 2016
232
views
1
vote
3
answers
16
SPACE COMPLEXITY
asked
in
Algorithms
Dec 15, 2016
973
views
space-complexity
sorting
ace-test-series
1
vote
0
answers
17
ACE TEST SERIES
asked
in
Algorithms
Dec 15, 2016
294
views
1
vote
1
answer
18
No of multiplications
asked
in
Algorithms
Dec 15, 2016
787
views
divide-and-conquer
numerical-answers
test-series
0
votes
0
answers
19
Direct mapping
asked
in
CO and Architecture
Dec 12, 2016
471
views
0
votes
1
answer
20
NOTATIONS(BIG O,BIG OMEGA,THETA)
asked
in
Algorithms
Dec 12, 2016
689
views
algorithms
asymptotic-notation
test-series
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