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MadeEasy Full Length Test 2019: Databases - Er Diagram
Find minimum number of tables needed? Answer : (3) Can anyone please explain the answer and how to approach such complex er diagrams?
asked
in
Databases
Jan 26, 2019
906
views
databases
er-diagram
made-easy-test-series
0
votes
0
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2
GEEKS 4 GEEKS - gate cs mock 2018
An orthogonal matrix A has eigen values 1, 2 and 4. What is the trace of the matrix ? 7/4 1/7 7 4/7 Answer given : 7/4 My answer : 7 trace of a matrix is the sum of its diagonal elements.So on transposing the matrix the diagonal elements will ... is also equal to sum of eigen values.So trace of A = 7 So trace of transpose(A) should be 7. Is my reasoning right?
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in
Linear Algebra
Jan 3, 2019
1.2k
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matrix
0
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3
CLRS HASHING(EXERCISE 11.2-3)
Q)Professor Marley hypothesizes that substantial performance gains can be obtained if we modify the chaining scheme so that each list is kept in sorted order. How does the professor's modification affect the running time for successful searches, unsuccessful searches, ... what basis are we going to sort the elements? As, In a list all the elements have same key values
asked
in
Algorithms
Dec 31, 2018
612
views
hashing
chaining
1
vote
1
answer
4
sample question
If TCP round trip time is currently 20 ms and ACK comes in after 30 ms then what is the timeout period for next transmission . Use α=0.9 and β=2 I know that α is smoothening factor. what is meant by β?
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in
Computer Networks
Sep 21, 2018
511
views
tcp
0
votes
0
answers
5
gate 2009
What does this relational calculus evaluates to? (A) Names of employees with a male supervisor. (B) Names of employees with no immediate male subordinates. (C) Names of employees with no immediate female subordinates. (D) Names of employees with a female supervisor. Can you please explain how to deal with the negation?
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in
Databases
Aug 17, 2018
163
views
1
vote
0
answers
6
Gate 2013
A computer uses 46-bit virtual address, 32-bit physical address, and a three-level paged page table organization. The page table base register stores the base address of the first-level table (T1), which occupies exactly one page. Each entry of T1 stores ... never heard of page colouring.It's not in galvin and tannenbaum Can anyone suggest a book where i'll find this concept.
asked
in
Operating System
Aug 6, 2018
523
views
operating-system
paging
0
votes
0
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7
Sample Paper
Not sure about option c, can anyone please explain the relation between bounded waiting and busy waiting? 1. Bounded waiting does not allow: (a) Starvation of a process (b) A process to wait indefinitely to wait for Critical Section (c) Busy waiting (d) All of the above
asked
in
Operating System
Jul 30, 2018
178
views
0
votes
1
answer
8
Sample paper
How to solve this when arrival time nd scheduling algorithm to use is not mentioned? 1. Consider the processes P 1 , P 2 , P 3 arrived in the sequence P 2 , P 3 , P 1 and the burst time of the processes are 3, 3, 24 respectively. What is the average TAT? (a) 30 (c) 40 (b) 10 (d) 35
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in
Operating System
Jul 29, 2018
461
views
process-scheduling
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