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4 answers

1

GATE2017 EC Digital

commented in Digital Logic Feb 7, 2017

3.4k views

3 answers

2

Gate 2017 ME
In a company 45 people earn Rs. 20,000 per month, 25 people earn Rs. 30,000 per month, 20 people earn Rs. 40,000, 8 people earns Rs. 60,000 per month and 2 people earn Rs. 150,000 per month. Find median ?

commented in Quantitative Aptitude Feb 6, 2017

1.5k views

1 answer

3

database indexing
Consider a disk with blocksize 1024B . A block pointer 6B and recird pointer 8B . The file has 10000 employee records . Every record is fixed length of 100B . Its key is SSN which is of 2B. the file is not ordered by thr keyfield and want to construct a ... the above file if we make it into multilevel index find out thr no of total blocks required A)102 B) 100 C)119 D) 118

commented in Databases Feb 6, 2017

356 views

0 answers

4

number of tuples returned by query
A) 3 B) 2 C) 1 D) 0

commented in Databases Feb 6, 2017

1.1k views

1 answer

5

GATE 2017 EC
Q1. Three indian and three chinese split into subgroups having atleast one indian. How many subgroups are possible?

answered in Quantitative Aptitude Feb 6, 2017

6.3k views

2 answers

6

Combinations
How many number of 5 letter words that use letters from the 3 letter set {a,b,c} in which each letter occur atleast once?

answered in Mathematical Logic Feb 4, 2017

1.8k views

2 answers

7

MadeEasy CBT 2017: Databases - Er Diagram
Please explain how they merged.(Modified)

commented in Databases Jan 30, 2017

2.1k views

0 answers

8

Ace Test Series: Algorithms - Time Complexity
Time complexity of the given program is?

commented in Algorithms Jan 30, 2017

435 views

2 answers

9

Ace Test Series: Operating System - Process Schedule

commented in Operating System Jan 30, 2017

682 views

1 answer

10

commented in Databases Jan 25, 2017

286 views

1 answer

11

Database-Normalisation
Determine the highest normal for relation R(A,B,C,D) AB →C BC→D

commented in Databases Jan 25, 2017

794 views

0 answers

12

Made Easy FLT1 Circular Queue
Doubt: dequeue really deletes the element or just moves the pointer? I'm not getting the answer.

asked in DS Jan 21, 2017

967 views

6 answers

13

GATE CSE 2012 | Question: 50
Consider the following relations $A, B$ and $C:$ ... is the same as that of $A$. $(A\cup B)\bowtie _{A.Id > 40 \vee C.Id < 15} C$ $7$ $4$ $5$ $9$

commented in Databases Jan 21, 2017

29.2k views

1 answer

14

commented in Probability Jan 18, 2017

1.2k views

2 answers

15

COMPLEMENT OF CSL

commented in Theory of Computation Jan 17, 2017

1.1k views

0 answers

16

commented in Compiler Design Jan 17, 2017

322 views

2 answers

17

2's Comlement
Find the 2's complement pattern for – 113? (1) 0001111 (2) 00001111 (3) 10001111 (4) 1110001 Correct Answer: 3 Status: unattempted

answered in Digital Logic Jan 17, 2017

1.1k views

2 answers

18

Huffman Coding
What is the time complexity of Huffman coding using heap tree data structure ? a) O(n) b) O(n log n) c) O(log n) d) O(n2)

commented in Algorithms Jan 16, 2017

4.5k views

9 answers

19

AVL tree
The number of different orders are possible for elements 1, 2, 3, 4, 5, 6, 7 to be inserted in to empty AVL tree such that no rotation will be done and element ‘4’ is root are ________.

answer selected in DS Jan 15, 2017

9.0k views

1 answer

20

commented in Theory of Computation Jan 15, 2017

270 views

4 answers

21

test book test
46 bit Virtual addressing system uses 3 level paging. The page table entry is 32 bits. Size of Page Table is equal to 1 page. The processor uses 1 MB, 16 way set associative cache with 64 block. What is the size of Page Table? a) 2KB b) 4KB c) 8KB d) 16KB

answered in Operating System Jan 15, 2017

1.2k views

2 answers

22

answered in Programming in C Jan 15, 2017

263 views

0 answers

23

algorithm
if dijkstra's shortest path algorithm takes 8 seconds for a graph of 1000 nodes then approx. how much time would it take for a graph of 1000000 nodes?

commented in Algorithms Jan 14, 2017

319 views

2 answers

24

Test by Bikram | Operating Systems | Test 2 | Question: 9
Assume that pages are $128$ words in size. Consider below code snippet whose function is to initialize to $0$ each element of a $128$ - by - $128$ array. Then number of page faults generated by the following Code snippet is: Assume the array is stored row major ... j++) for( int i=0; i<128; i++) A[i][j] = 0; $128$ $16384$ $0$ $16378$

commented in Operating System Jan 14, 2017

716 views

3 answers

25

Test by Bikram | Operating Systems | Test 2 | Question: 5
Let us initialize counting semaphore $X$ to $5$. Assume that processes $P_i$ where $i= 1$ to $15$ are coded as follows. while (1) { P (x); { critical section } V (x); } and suppose that $P_{16}$ is coded as follows: ... { critical section } P (x); } The number of processes can be in the critical section at most at any point of time is ______

commented in Operating System Jan 14, 2017

792 views

0 answers

26

Which source of interrupt will have more priority- Mouse or keyboard?
Suppose both mouse and keyboard issues interrupt t same time. Which source of interrupt will have more priority- Mouse or keyboard? Why?

commented in CO and Architecture Jan 13, 2017

650 views

3 answers

27

Time complexity of fractionak knapsack using greedy algorithm is O(n^2)??TRUE/FALSE
i know time complexity is O(nlogn) but can upper bound given in question consider as TRUE..

commented in Algorithms Jan 12, 2017

13.4k views

0 answers

28

Number of subnets
Finally what we have to do? Number of subnets? 2^n -2 or 2^n, where n is the number of borrowed bits ?

commented in Computer Networks Jan 12, 2017

625 views

1 answer

29

ACE test
Qus 12. A magnitude comparator consists of inputs A[A3 A2 A1 A0] and B[B3 B2 B1 B0]. The total number of comparisons performed for A>B is ______________

commented in Digital Logic Jan 12, 2017

476 views

1 answer

30

commented in Digital Logic Jan 11, 2017

504 views