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10
answers
1
GATE CSE 2004 | Question: 68
A hard disk with a transfer rate of $10$ Mbytes/second is constantly transferring data to memory using DMA. The processor runs at $600$ MHz, and takes $300$ and $900$ ... percentage of processor time consumed for the transfer operation? $5.0 \%$ $1.0\%$ $0.5\%$ $0.1\%$
commented
in
CO and Architecture
Nov 3, 2019
27.0k
views
gatecse-2004
dma
normal
co-and-architecture
5
answers
2
GATE CSE 2010 | Question: 30
Suppose the predicate $F(x, y, t)$ is used to represent the statement that person $x$ can fool person $y$ at time $t$. Which one of the statements below expresses best the meaning of the formula, $\qquad∀x∃y∃t(¬F(x,y,t))$ Everyone can ... time No one can fool everyone all the time Everyone cannot fool some person all the time No one can fool some person at some time
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in
Mathematical Logic
Jan 17, 2019
70.1k
views
gatecse-2010
mathematical-logic
easy
first-order-logic
4
answers
3
The intersection of a context free language and a regular language
The intersection of a context free language and a regular language a)need not be regular b)need not be context free c) is always regular d) is always context free
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in
Theory of Computation
Jan 8, 2019
12.2k
views
2
answers
4
GATE CSE 1996 | Question: 1.25
Consider the following floating-point number representation.$\begin{array}{c|c} \begin{array}{cc}31\;\;\hspace{15pt}&\hspace{15pt}24\end{array} & \begin{array}{cc}23\hspace{15pt}&\hspace{15pt}0\end{array} \\\hline \text{Exponent}&\text{Mantissa}\\ \hline \end{array}$The ... to $1$ $0.5$ to $1$ $2^{-23}$ to $0.5$ $0.5$ to $\left(1-2^{-23}\right)$
comment edited
in
Digital Logic
Dec 12, 2018
20.7k
views
gate1996
digital-logic
number-representation
normal
3
answers
5
GATE IT 2008 | Question: 61
Let $R (A, B, C, D)$ be a relational schema with the following functional dependencies : $A → B$, $B → C$, $C → D$ and $D → B$. The decomposition of $R$ into $(A, B), (B, C), (B, D)$ gives a ... a lossless join, but is not dependency preserving does not give a lossless join, but is dependency preserving does not give a lossless join and is not dependency preserving
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in
Databases
Nov 12, 2018
35.3k
views
gateit-2008
databases
database-normalization
normal
0
answers
6
Heaps
How to detect the maximum level and minimum level at which an element of heap can be made to be present? Suppose a min heap has elements from 1 to 1024 . Suppose a max heap has elements from 1 to 1024. Find for : 9, 100, 512. (Both max and min heap, max and min level possible) Root is at level 1.
asked
in
DS
Nov 11, 2018
188
views
0
answers
7
Normalization
Are all 3NF decomposition always lossless & dependency preserving ? Are all BCNF relation lossless?
asked
in
Databases
Nov 11, 2018
218
views
4
answers
8
BCNF and 3NF
1) dependency preservation 2)lossless join a)If a relation is in 3NF , which of the above points is guaranteed. b)If a relation is in BCNF , which of the above points is guaranteed [ I am confused right now, can I say , if a relation ... using a particular algorithm, then only I can say that the decomposed relations is lossless/dependency preserving same goes for 3NF]. Please help!
commented
in
Databases
Nov 11, 2018
21.4k
views
databases
database-normalization
2
answers
9
GATE CSE 2018 | Question: 53
Consider a storage disk with $4$ platters (numbered as $0, 1, 2$ and $3$), $200$ cylinders (numbered as $0, 1, , 199$), and $256$ sectors per track (numbered as $0, 1, 255$). The following $6$ disk ... negligible. The total power consumption in milliwatts to satisfy all of the above disk requests using the Shortest Seek Time First disk scheduling algorithm is _____
commented
in
Operating System
Feb 22, 2018
15.7k
views
gatecse-2018
operating-system
disk
numerical-answers
2-marks
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