Recent questions tagged testbook-test-series

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1

File Systems
A file system with 300 GB uses a file descriptor with 8 direct block address. 1 indirect block address and 1 doubly indirect block address. The size of each disk block is 256 Bytes and the size of each disk block address is 16 Bytes. The maximum possible file size in this file system is? The answer given was 70KB. Thanks!

asked Jan 28 in Operating System by Abhipsa Mishra (149 points) | 46 views

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2

File Systems
A UNIX style i-node has 15 direct pointers and one single, one double and one triple indirect pointers. The disk block size is 1KB, disk block address is 64 bits and 48 bit integers are used. What is the maximum possible fize size in bytes? Thanks!

asked Jan 28 in Operating System by Abhipsa Mishra (149 points) | 47 views

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3

Testbook Question
Consider the infinite two-dimensional grid G={(m,n)| m and n are integers} Every point in G has 4 neighbors, North, South, East, and West, obtained by varying m or n by 1. Starting at the origin (0,0), a string of command letters N, S, E, ... path. Which of the following statements is TRUE? i) L is Regular. ii) L is context free. iii) L complement is context free. Thanks!

asked Jan 22 in Theory of Computation by Abhipsa Mishra (149 points) | 25 views

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4

Syntax Directed Translation Output Query

asked Jan 19 in Compiler Design by Suryank Tiwari (7 points) | 27 views

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1 answer

5

TestBook[MOCK]
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

asked Jan 18 in Computer Networks by jatin khachane 1 Loyal (6.4k points) | 82 views

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6

TESTBOOK FLT-3
Que- Consider the following statements about the dining philosopher problem. 1. There should be at least 6 chopsticks to avoid deadlock for 6 philosophers. 2. If the asymmetric solution is implemented then $1^{st}$ philosopher picks up her right chopstick first while $6^{th}$ ... Which of the above statement is correct? a. Only 1 b. Only 2 c. Both I and II d. None of the above

asked Jan 6 in Operating System by Soumya29 Boss (15.4k points) | 48 views

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7

TESTBOOK FLT-3
$Que-$ The minimum number of states in the $NFA$ for the regular expression $(a + a(b + aa)*b)* a(b + aa)*a$ is ______. Approach ?

asked Jan 6 in Theory of Computation by Soumya29 Boss (15.4k points) | 78 views

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8

TESTBOOK FLT
$Que-$ A sender uses a Stop-and-Wait protocol for transmission of $8000 \ K-bits$ size frames on a $1Gbps$ satellite channel with a propagation delay of $400 \ ms$. What will be the link utilization (%) if a probability of single frame error is $0.001?$ $\text{Note – Here Frame size is 8000 K- bits i.e 8}*10^6 \ bits$

asked Jan 6 in Computer Networks by Soumya29 Boss (15.4k points) | 48 views

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9

Testbook
Consider the statement do { i = i + 1; } while ( a[i] < b ); The minimum number of variables required in the three address code of the above statement ?

asked Jan 1 in Compiler Design by Shobhit Joshi Active (4.9k points) | 19 views

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10

TESTBOOK_ALGO
…………………………..

asked Dec 27, 2018 in Algorithms by Magma Boss (13.5k points) | 96 views

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11

Textbook_Algo
How to solve such kind of questions ? Can anybody tell what's is the concept behind this ?? someone provide me link so that I read it and understand the actual concept

asked Dec 27, 2018 in Algorithms by Magma Boss (13.5k points) | 53 views

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1 answer

12

Testbook
The number of tables required to convert the relational schema $R(A, B, C, D, E, F, G, H)$ into $3NF$ with following functional dependency is ________ $A\rightarrow DG$ $AB\rightarrow E$ $D\rightarrow C$ $E\rightarrow F$ $G\rightarrow H$

asked Dec 27, 2018 in Databases by jatin khachane 1 Loyal (6.4k points) | 48 views

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13

TestBook[Full syllabus Test]
TCP opens a connection using an initial sequence number of 3500 and send data at 5MBps . The other third party opens the connection with sequence number of 1200. Wrap around for both the sequence numbers differs by 12562.77 sec .Calculate the Data rate(in KBps) for the second party

asked Dec 27, 2018 in Computer Networks by jatin khachane 1 Loyal (6.4k points) | 50 views

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14

Testbook[Full syllabus Test]

asked Dec 27, 2018 in Programming by jatin khachane 1 Loyal (6.4k points) | 99 views

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15

TestBook_P&DS
The following C function takes two ASCII strings and determines whether one is an anagram of the other. An anagram of a string s is a string obtained by permuting the letters in s. int anagram (char *a, char *b){ int count [128], j; for (j = 0; j < 128; j++) count[j]=0; j = 0; while (a[ ... [j]]++ 3 A: count [a[j++]]++ and B: count[b[j]]-- 4 A: count[a[j]]++ and B: count [b[j++]]--

asked Dec 26, 2018 in Programming by Magma Boss (13.5k points) | 51 views

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1 answer

16

TESTBOOK_P&DS
Please someone explain me properly

asked Dec 26, 2018 in Programming by Magma Boss (13.5k points) | 95 views

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17

TEST_BOOK_DS
DELELTE : 5 pop and 4 push require s2 (4 3 2) s1(empty) Insert (5) : s2(4 3 2) s1(5) 1 push delete : pop from S2 (4 3) s1 (5) 1 pop total : 6 POP , 5 PUSH where I’m wrong

asked Dec 26, 2018 in Programming by Magma Boss (13.5k points) | 40 views

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1 answer

18

Testbook (COA)
A PC-related mode branch instruction is $8$Byte long. The address of the instruction,in decimal, is $548321.$Find the branch target address if the signed displacement in the instruction is $-29?$

asked Dec 23, 2018 in CO & Architecture by Lakshman Patel RJIT Boss (29k points) | 70 views

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19

Testbook Test(Probability)
The probability of a shooter hitting the target is $\frac{1}{3}$ and three shots at the bull's eye are needed to win the game. What could be the least number of shots for the shooter to give him more than half-chance of winning the game$?$ $A)5$ $B)6$ $C)7$ $D)8$

asked Dec 23, 2018 in Probability by Lakshman Patel RJIT Boss (29k points) | 159 views

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20

Testbook Test
A processor has $128$ distinct instructions. A $24-$bit instruction word has an opcode, register, and operand.The number of bits available for the operand field is $7.$The maximum possible value of the general-purpose register is _________

asked Dec 23, 2018 in CO & Architecture by Lakshman Patel RJIT Boss (29k points) | 138 views

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21

Testbook Chapter test
If $y = f(x)$ is a solution of $ d^2y/dx^2 = 0$ , with boundary conditions $y=8$ at $x=0$ and $dy/dx =4$ at $x=16$, Find the value of $f(-2)$ When they say, $y = f(x)$ is a solution of $ d^2y/dx^2 = 0$ What does that mean?

asked Dec 18, 2018 in Mathematical Logic by shreyansh jain Active (2.1k points) | 51 views

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22

Testbook chapter test dbms
The number of rows returned by sql query on given relation: SELECT * from emp where eno NOT IN (SELECT manager from emp) Query intends to find the number of employees who are not MANAGER so emp 2,3,4 are ruled out. But since it includes comparison ... will return false. So NOT IN will give true and number of rows returned will be 1. Answer given is 0. Please clarify.

asked Dec 17, 2018 in Databases by shreyansh jain Active (2.1k points) | 71 views

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23

Testbook Chapter Test
a , c , d all three are right answer please explain if i am wrong.

asked Dec 15, 2018 in Algorithms by Abhishek Kumar 38 (105 points) | 39 views

+1 vote

1 answer

24

Testbook
Given that Y= {3,10,16}. Find the number of multiset possible with cardinality 5.

asked Dec 9, 2018 in Set Theory & Algebra by Rajat Agrawal007 Junior (593 points) | 54 views

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25

Testbook
Chandler is selling tickets for \$1 per ticket. In the queue for tickets, there are m people with a single \$ ... (m-1) / (m+1) (b) 2 / (m+1) (c) 18 / (m)(m+1)(m+2) (d) (m-2) / (m+2)

asked Dec 8, 2018 in Numerical Ability by Rajat Agrawal007 Junior (593 points) | 35 views

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26

TESTBOOK
On a grid of 6*5 ,how many ways exist to get from Top-Left corner to the Bottom-Right corner if You can only move one unit Right or One unit Down at a time.

asked Dec 8, 2018 in Numerical Ability by Rajat Agrawal007 Junior (593 points) | 32 views

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27

testbook test series
None of these according to me.

asked Dec 7, 2018 in Set Theory & Algebra by Utkarsh Joshi Loyal (7.2k points) | 52 views

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28

Testbook: Finger & ring Permutation
In how many ways we can wear 4 distinct rings in 3 particular fingers?

asked Nov 30, 2018 in Set Theory & Algebra by shreyansh jain Active (2.1k points) | 79 views

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0 answers

29

compiler5

asked Nov 30, 2018 in Compiler Design by Deepesh Pai (499 points) | 28 views

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2 answers

30

test series - Testbook

asked Nov 19, 2018 in Databases by monty Active (1.1k points) | 72 views

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