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Recent activity by the.brahmin.guy
3
answers
1
Mathematics: GATE 2013 EC-A-27
Let A be an mxn matrix and B an nxm matrix. It is given that determinant ( Im + AB ) = determinant ( In + BA ) , where Ik is the k k identity matrix. Using the above property, the determinant of the matrix given below is ... A) 2 B) 5 C) 8 D) 16
Let A be an mxn matrix and B an nxm matrix.It is given that determinant ( Im + AB ) = determinant ( In + BA ) , where Ik is the k×k identity matrix. Using the above prop...
6.0k
views
answer selected
Jun 23, 2017
Linear Algebra
gate2013-ec
linear-algebra
engineering-mathematics
normal
determinant
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–
3
answers
2
Predict the number of tuples in SQL result
Consider the following relation instance myTable num1 num2 100 100 100 NULL NULL 100 NULL NULL Query 1: SELECT * FROM myTable WHERE num1 != NULL; Query 2: SELECT * FROM myTable WHERE num1 = NULL; If Query 1 returns m tuples and Query 2 returns n tuples, then 10m+n will be _____________
Consider the following relation instance myTablenum1num2100100100NULLNULL100NULLNULL Query 1:SELECT *FROM myTableWHERE num1 != NULL;Query 2:SELECT *FROM myTableWHERE num1...
1.2k
views
answered
May 25, 2017
Databases
databases
sql
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–
1
answer
3
Test by Bikram | Mathematics | Test 2 | Question: 16
The diameter of a pipe is assumed to be a continuous random variable with density function $f(x) = 6x(1+x)/5$, where $x$ is between $0$ and $1$. The mean of the pipe is _______ (in one decimal place).
The diameter of a pipe is assumed to be a continuous random variable with density function $f(x) = 6x(1+x)/5$, where $x$ is between $0$ and $1$. The mean of the pipe is _...
273
views
answered
May 24, 2017
Mathematical Logic
tbb-mathematics-2
numerical-answers
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–
2
answers
4
cil-2017 AQ17
299
views
answered
Apr 9, 2017
Verbal Aptitude
cil-2017
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–
3
answers
5
cil-2017 RQ22
464
views
answered
Apr 9, 2017
Quantitative Aptitude
cil-2017
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–
4
answers
6
GATE CSE 2005 | Question: 41
What is the first order predicate calculus statement equivalent to the following? "Every teacher is liked by some student" $∀(x)\left[\text{teacher}\left(x\right) → ∃(y) \left[\text{student}\left(y\right) → \text{likes}\left(y,x\right)\right]\right]$ ...
What is the first order predicate calculus statement equivalent to the following?"Every teacher is liked by some student"$∀(x)\left[\text{teacher}\left(x\right) → ∃...
11.8k
views
commented
Apr 6, 2017
Mathematical Logic
gatecse-2005
mathematical-logic
easy
first-order-logic
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1
answer
7
CDS programme
can someone pls guide about the CDS program at IISC??what prerequisites are required and how is it different from mtech.i had gone through the site but want to ask here for a clear picture before filling the form. it would be really helpful if someone could advice as deadline is near. Thanks in advance
can someone pls guide about the CDS program at IISC??what prerequisites are required and how is it different from mtech.i had gone through the site but want to ask here f...
2.7k
views
answered
Mar 28, 2017
IISc/IITs
iisc-interview
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–
13
answers
8
GATE CSE 2016 Set 2 | Question: 50
A file system uses an in-memory cache to cache disk blocks. The miss rate of the cache is shown in the figure. The latency to read a block from the cache is $1$ ms and to read a block from the disk is $10$ ms. Assume that the cost ... in multiples of $10$ MB. The smallest cache size required to ensure an average read latency of less than $6$ ms is _________ MB.
A file system uses an in-memory cache to cache disk blocks. The miss rate of the cache is shown in the figure. The latency to read a block from the cache is $1$ ms and to...
15.1k
views
commented
Feb 7, 2017
CO and Architecture
gatecse-2016-set2
co-and-architecture
cache-memory
normal
numerical-answers
+
–
1
answer
9
GEEKS_MOCK
196
views
answered
Feb 5, 2017
3
answers
10
GATE CSE 2016 Set 2 | Question: 54
For the $\text{IEEE 802.11 MAC}$ protocol for wireless communication, which of the following statements is/are TRUE? At least three non-overlapping channels are available for transmissions. The RTS-CTS mechanism is used for collision detection. Unicast frames are ACKed. All I, II, and III I and III only II and III only II only
For the $\text{IEEE 802.11 MAC}$ protocol for wireless communication, which of the following statements is/are TRUE?At least three non-overlapping channels are available ...
17.0k
views
commented
Jan 27, 2017
Computer Networks
gatecse-2016-set2
computer-networks
wifi
normal
non-gate
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–
1
answer
11
Example of Context sensitive grammar productions
Give an Example of production rules for Context sensitive grammar? I could find only this example from Wikipedia... Can you share any ther simple example? 1. S → a B C 2. S → a S B C 3. C B → C Z 4. C Z → W Z 5. W Z → W C 6. W C → B C 7. a B → a b 8. b B → b b 9. b C → b c 10. c C → c c
Give an Example of production rules for Context sensitive grammar?I could find only this example from Wikipedia...Can you share any ther simple example?1. S → ...
1.2k
views
answered
Jan 22, 2017
Theory of Computation
theory-of-computation
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–
2
answers
12
Testbook Test Series: Compiler Design - Syntax Directed Translation
Let Grammar be with these transitions: S -> a{print "0"}A A -> b{print "1"}B A -> c{print "2"} A -> ε{print "-"} B -> d{print "1"}A B ... produced for input string abdbdc using Bottom-Up Parsing with above translations: A) 0211-10 B) 0211110 C) 0111-20 D) 0111012
Let Grammar be with these transitions:S - a{print "0"}AA - b{print "1"}BA - c{print "2"}A - ε{print "-"}B - d{print "1"}AB - ε{print "0"}What is the output produced for...
1.1k
views
commented
Jan 22, 2017
Compiler Design
syntax-directed-translation
testbook-test-series
compiler-design
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–
17
answers
13
GATE CSE 2016 Set 1 | Question: 26
The coefficient of $x^{12}$ in $\left(x^{3}+x^{4}+x^{5}+x^{6}+\dots \right)^{3}$ is ___________.
The coefficient of $x^{12}$ in $\left(x^{3}+x^{4}+x^{5}+x^{6}+\dots \right)^{3}$ is ___________.
26.0k
views
commented
Jan 18, 2017
Combinatory
gatecse-2016-set1
combinatory
generating-functions
normal
numerical-answers
+
–
2
answers
14
TIFR CSE 2012 | Part A | Question: 12
For the polynomial $p(x)= 8x^{10}-7x^{3}+x-1$ consider the following statements (which may be true or false) It has a root between $[0, 1].$ It has a root between $[0, -1].$ It has no roots outside $(-1, 1).$ Which of the above statements are true? Only (i). Only (i) and (ii). Only (i) and (iii). Only (ii) and (iii). All of (i), (ii) and (iii).
For the polynomial $p(x)= 8x^{10}-7x^{3}+x-1$ consider the following statements (which may be true or false)It has a root between $[0, 1].$It has a root between $[0, -1]....
1.4k
views
answered
Jan 18, 2017
Calculus
tifr2012
calculus
polynomials
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–
5
answers
15
GATE CSE 1996 | Question: 2.23
Consider the following state table for a sequential machine. The number of states in the minimized machine will be ... $4$ $3$ $2$ $1$
Consider the following state table for a sequential machine. The number of states in the minimized machine will be$$\begin{array}{|l|l|ll|}\hline \text{} & \text{} & \tex...
13.0k
views
commented
Dec 21, 2016
Digital Logic
gate1996
normal
finite-automata
+
–
1
answer
16
networks-fragmentation
Consider a scenario shown in below diagram. Suppose a TCP message that contains 900 bytes of data and 20 bytes of TCP header is transferring from Host H1 to Host H2. Assume H1 to R1 MTU includes 14-bytes of header, R1 to R2 MTU includes 8 bytes of frame header R2 to H2 link MTU includes 12 ... = x; DF = 0; MF = 1; Offset = 0 Length = 460; ID = x; DF = 0; MF = 0; Offset = 60
Consider a scenario shown in below diagram. Suppose a TCP message that contains 900 bytes of data and 20 bytes of TCP header is transferring from Host H1 to Host H2. Assu...
1.1k
views
commented
Nov 20, 2016
Computer Networks
computer-networks
fragmentation
+
–
4
answers
17
GATE Overflow | Programming | Test 1 | Question: 12
What will be returned by the following function foo when called as foo(10)? int foo(int n) { return n & n | 1; }
What will be returned by the following function foo when called as foo(10)?int foo(int n) { return n & n | 1; }
1.4k
views
commented
Nov 2, 2016
Programming in C
go-programming-1
programming
numerical-answers
bitwise
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–
1
answer
18
GATE Overflow | General Aptitude | Test 1 | Question: 26
$\sqrt[3]{148877}$=
$\sqrt[3]{148877}$=
291
views
answered
Nov 2, 2016
Quantitative Aptitude
go-general-aptitude-1
numerical-answers
quantitative-aptitude
+
–
3
answers
19
TIFR CSE 2010 | Part B | Question: 37
Consider the program where $a, b$ are integers with $b > 0$. x:=a; y:=b; z:=0; while y > 0 do if odd (x) then z:= z + x; y:= y - 1; else y:= y % 2; x:= 2 * x; fi Invariant of the loop is a condition which is ... terminate for some values of $a, b$ but when it does terminate, the condition $z = a * b$ will hold. The program will terminate with $z=a^{b}$
Consider the program where $a, b$ are integers with $b 0$.x:=a; y:=b; z:=0; while y 0 do if odd (x) then z:= z + x; y:= y - 1; else y:= y % 2; x:= 2 * x; fiInvariant of...
3.3k
views
commented
Nov 1, 2016
Programming in C
tifr2010
programming
loop-invariants
+
–
5
answers
20
GATE2012 AR: GA-3
Choose the grammatically CORRECT sentence: He laid in bed till $8$ o’clock in the morning. He layed in bed till $8$ o’clock in the morning. He lain in bed till $8$ o’clock in the morning. He lay in bed till $8$ o’clock in the morning.
Choose the grammatically CORRECT sentence:He laid in bed till $8$ o’clock in the morning.He layed in bed till $8$ o’clock in the morning.He lain in bed till $8$ o’c...
3.0k
views
commented
Oct 30, 2016
Verbal Aptitude
gate2012-ar
verbal-aptitude
english-grammar
easy
grammatical-error
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–
3
answers
21
GATE2012 CY: GA-2
One of the parts $(A, B, C, D)$ in the sentence given below contains an ERROR. Which one of the following is INCORRECT? I requested that he should be given the driving test today instead of tomorrow. requested that should be given the driving test instead of tomorrow
One of the parts $(A, B, C, D)$ in the sentence given below contains an ERROR. Which one of the following is INCORRECT?I requested that he should be given the driving tes...
4.8k
views
commented
Oct 30, 2016
Verbal Aptitude
gate2012-cy
verbal-aptitude
english-grammar
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–
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