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Recent activity by anjali007
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1
MadE Easy
Shouldnt it be on when both the switches are on???… and if the switches work irrespective of the other switch then why are we dependent on the other switch..
commented
in
Digital Logic
Jan 25, 2019
244
views
0
answers
2
Made Easy
Shouldnt we take 1 instead of 1-P ?? As it should be sequential access???
commented
in
Operating System
Jan 23, 2019
283
views
operating-system
demand-paging
page-fault
0
answers
3
Made Easy
True or False:In a uniform delay pipeline stage the execution time of a single instruction is equal to the time for execution of the instruction in non pipelined manner. Shouldn’t it be false as thought each stage has uniform delay there would be additional buffer delay after each stage of the pipeline so shouldnt it be that it is not equal i.e it is more????
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CO and Architecture
Jan 23, 2019
407
views
co-and-architecture
pipelining
1
answer
4
Made Easy
A hypothetical 5 stage processor is designed in which branch is predicted at 3 stage and each stage takes 1 cycle to compute its task. If f is the probability of an instruction being a branch instruction then what is the value of F such that speed up is atleast 3?
commented
in
CO and Architecture
Jan 23, 2019
418
views
co-and-architecture
branch-conditional-instructions
speedup
0
answers
5
Gateforum mock 2
commented
in
Computer Networks
Jan 20, 2019
427
views
flow
flow-control-methods
3
answers
6
Gateforum mock 2
commented
in
Theory of Computation
Jan 20, 2019
427
views
decidability
1
answer
7
Gateforum mock 2
commented
in
Operating System
Jan 20, 2019
358
views
operating-system
1
answer
8
MADEEASY TEST SERIES
WHICH OF THE FOLLOWING IS NOT A VALID DESCRIPTION OF THE INPUT ALPHABET SET? ANSWER IS GIVEN AS {01,110,NULL} WITH A EXPLAINATION THAT ALPHABET CANNOT CONTAIN NULL . NOW I HAVE A QUESTIONN REGARDING THAT {0,1,01 } IS NOT ALPHABET WHY ? AND {01,10} IS ALPHABET WHY ?? ... ? AS I KNOW FOR {0,1,01} IS WHEN WE WRITE 01 WE CANT DIFFERENTIATE IT IS FROMM 0 AND 1 OR 01?? RIGHT??
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Theory of Computation
Jan 20, 2019
852
views
1
answer
9
Hashing with Linear probing
Consider an initially empty hash table of length 10. Following are the keys in hash table inserted using mod function h(k)=k mod 10. Slot Number Value 0 1 91 2 3 33 4 44 5 23 6 64 7 77 8 9 How many different insertion sequences of keys would result in the above hash table? My answer comes to be 56, is it correct?
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in
Programming in C
Jan 18, 2019
3.2k
views
hashing
data-structures
1
answer
10
Testbook Test Series: Computer Networks - Sliding Window
Frames of 20000 bytes are sent over 10 MBps full duplex link between 2 hosts. Propagation is 45 ms.Suppose that the sliding window protocol is used with the sender window size of 16 and acknowledgements are piggybacked.After sending 35 frames , what is the minimum time sender will have to wait before starting transmission of the next frame
answer edited
in
Computer Networks
Jan 18, 2019
1.1k
views
testbook-test-series
computer-networks
sliding-window
0
answers
11
AppliedAI - MOCK1
1. If C is any set of regular languages then union C is a regular language 2. Every subset of regular language is regular 3. L = {XYX | X,Y belongs to sigma*} is regular 4. A and B are two Regular languages then A/B {W| W is in A but not in B} is regular which of the following is true ?
commented
in
Theory of Computation
Jan 18, 2019
481
views
theory-of-computation
1
answer
12
Interrupt Service Routing ( Applied course Mock 3)
Consider a process P1 that is executing on a Linux-like OS on a single core system. When P1 is executing, a disk interrupt occurs, causing P1 to go to kernel mode to service that interrupt. The interrupt delivers all the disk blocks that unblock ... is ready P1 is ready and P2 is running P1 is running and P2 is ready P1 is blocked and P2 is ready
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Operating System
Jan 15, 2019
1.7k
views
interrupts
0
answers
13
Applied Course
Consider a computer system in which cache memory write hit takes 5ns and and miss takes 80ns. Cache memory read hit takes 2ns and miss takes 40ns. The cache is having 95% hit. The system received 1000 instructions out of which, 700 operand fetch operations and 300 operand write operations. The average time taken ... 2+ (1-h1)*40 = 2 + (0.05)*4 OR h1*2+ (1-h1)*40 =0.95*2+(0.05)*40 ?
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CO and Architecture
Jan 15, 2019
808
views
co-and-architecture
cache-memory
0
answers
14
TestBook
The post correspondence solution <i,j,k> of the problem M=(abb,aa,aaa) and N=(bba,aaa,aa) is________ Ans is 2,1,3
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Theory of Computation
Jan 14, 2019
793
views
1
answer
15
Self Doubt
1.A primary key cannot be NULL (Any of its attributes can’t be NULL) 2.can candidate key be NULL(All attr) (Other than primary keys i,e alternate keys) 3.can some attributes of candidate key be NULL?? which of these are true . false
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in
Databases
Jan 14, 2019
915
views
databases
1
answer
16
Made Easy CBT
Consider simple paging with TLB. The TLB hit ratio is 60%. If there is hit, it takes 80ns for a memory reference otherwise it takes 130ns for a memory reference. If the Effective memory access time with TLB is 100ns, then the aceess time of TLB is ... is 30ns. They have taken TLB and Mem Access time as memory reference. But I think memory reference should not include TLB access time.
commented
in
Operating System
Jan 14, 2019
710
views
1
answer
17
made easy cbt1
FIFO replacement policy ignores locality of reference. true/false
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in
Operating System
Jan 14, 2019
1.1k
views
operating-system
0
answers
18
made easy cbt1
consider the following languages M and N M={W$W^{R}$W$W^{R}$ | W$\epsilon$(0,1)*} N={W1$W1^{R}$W2$W2^{R}$ | W1,W2$\epsilon$(0,1)* which of the following languages are CFL?
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Theory of Computation
Jan 13, 2019
711
views
2
answers
19
mad easy cbt 1
Let A be ternary tree with each node having 0 or 3 children . Let T have 25 node .The number of leaf nodes in ternary tree are
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in
Programming in C
Jan 13, 2019
634
views
1
answer
20
made easy cbt1
consider the raletion schema:- R(A,B,C) with functional dependency {A->B} which of the following query returns “0” if no records of R violates A->B functional dependency[assume no NULL’s] for this question I directly marked (d) option as they have used count(*) and count func gives 1 even for null. am i wrong??
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Databases
Jan 13, 2019
308
views
1
answer
21
MadeEasy Full Length Test 2019: Operating System - Semaphore
Let S be a binary semaphore variable, S=0 What will be the value of S when following operations are performed:- 2P, 4V, 5P, 2P, 8V, 3P, 2V ?
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in
Operating System
Jan 13, 2019
1.4k
views
operating-system
semaphore
made-easy-test-series
1
answer
22
Gateforum Test Series: Compiler Design - Parsing
Which of the following is FALSE? (A) LL(k) grammars are context free grammar (B) LL(k) grammars are unambiguous (C) There are LL(k) grammars which are not context free (D) LL(k) grammars cannot have left recursion i marked a answer is given c)
commented
in
Compiler Design
Jan 11, 2019
688
views
gateforum-test-series
compiler-design
parsing
0
answers
23
Made Easy
Let N channels share 60kbps of slotted aloha channel.Frame Size is 1024 bits which are sent at every 40 seconds.The value of N is :___(upto 1 decimal place). Ans given is:862.5.. Pls explain the procedure.
closed
in
Computer Networks
Jan 10, 2019
309
views
0
answers
24
What is a good resource to learn all the rules of modular arithmetic?
For example, is there a way to calculate the value of $(7 \times 11 \times 13 \times 17) \% 5$ in terms of the values of $7\%5, 11\%5, 13\%5,$ and $17\%5 $ ?
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Mathematical Logic
Jan 10, 2019
378
views
2
answers
25
What is difference between Flooding and Broadcasting ?
Distance vector uses broadcasting for transfer of vectors among it neighbors. but can it use flooding for this purpose. i am getting confused between flooding and broadcasting.
answered
in
Computer Networks
Jan 10, 2019
768
views
computer-networks
distance-vector-routing
0
answers
26
Made Easy CN
here is my approach. at max packets needs to travel 1000m distance so propagation delay should be Tp=(1000)/(2x10^8) = 5 micro sec hub having delay of 2.5 micro sec so for collision detection it needs Tt >= 2*Tp + hub delay L>=B(2x5+ 2.5) L>=125 bits so at max we need minimum 125 bits please tell me where i m wrong ???????
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Computer Networks
Jan 10, 2019
221
views
1
answer
27
Identifying Regular Languages
Identify if the language is regular or not? {a^m b^n / m=n or m!=n }
answered
in
Theory of Computation
Jan 10, 2019
213
views
1
answer
28
MadeEasy Test Series: Theory Of Computation - Identify Class Language
$L = \left \{ x^{l}y^{m}z^{n} | \ l+m+n\ is\ divisible\ by\ 5\right \}$ Is it regular or CFL or CSL ?
commented
in
Theory of Computation
Jan 8, 2019
677
views
made-easy-test-series
theory-of-computation
identify-class-language
1
answer
29
Applied Course Test 1
The number of states in a minimal DFA that accepts set of all strings beginning with 1 that, when interpreted as a binary integer is a multiple of 5 over the alphabet={0,1}. For example, strings 101, 1010 and 1111 are in the language?
answer selected
in
Theory of Computation
Jan 7, 2019
4.6k
views
1
answer
30
Relation_5_36
Consider two relations R1 and R2, with n, attributes A1, A2, A3,…….., An. The functional dependencies on R1 and A1 → A2, A2→ A3,…...An-1→ An and R2 are A1→ A2, A2→ A3, ……..An-1, An→ A1. Then highest normal forms of R1 and R2 are respectively, (A) 1NF,BCNF (B) 2NF,2NF (C) 3NF,3NF (D) None
answer edited
in
Databases
Dec 29, 2018
901
views
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