Books, Videos & Mock Tests

Spatial Aptitudes

October 5, 2020 by soujanya Leave a Comment

Syllabus Transformation of shapes: translation, rotation, scaling, mirroring, assembling, and grouping Paper folding, cutting, and patterns in 2 and 3 dimensions 1,345 total views, 34 views today

1,345 total views, 34 views today

Analytical Aptitude

October 5, 2020 by soujanya Leave a Comment

Syllabus Logic: deduction and induction Analogy Numerical relations and reasoning 1,247 total views, 20 views today

1,247 total views, 20 views today

Syllabus of UGC NET 2020 (Computer Science and Applications)

May 25, 2020 by Shruti Malik Leave a Comment

Official SyllabusUnit 1 – Discrete Structures and OptimizationUnit 2 – Computer System ArchitectureUnit 3 – Programming Languages and Computer GraphicsUnit 4 – Database Management SystemsUnit 5 – System Software and Operating SystemUnit 6 – Software EngineeringUnit 7 – Data Structures and AlgorithmsUnit 8 – Theory of Computation and CompilersUnit 9 – Data Communication and Computer […]

2,595 total views, 55 views today

UGC NET what Books to study

September 16, 2016 by bikram 1 Comment

For UGC NET Computer Science paper target a score of around 40/50 in paper-1 (where 5 questions each from IT,Data Interpretation,unseen passage, logical ability, teaching methodology are asked and they are of avg level and also one can leave 10 questions out of 60). Devote one day per week for First Paper. Try to score […]

27,965 total views, 8 views today

Mock Tests for GATE

July 9, 2016 by arjun 10 Comments

Mock Tests are useful for GATE — but only after you know the concepts well. Never ever try to learn by giving the mock tests. The tests must be used to see how well you can apply the concepts you know, how you can understand and skip difficult questions, how to optimize time in answering […]

71,238 total views, 20 views today

GATE Overflow
Aptitude Overflow

Answered: GATE1988-2-ii

This will clear all your doubts https://www.youtube.com/watch?time_continue=4&v=QRAL0v6yWzo&feature=emb_title [...]

Answered: Doubt Question on Transaction schedules

Answered: Doubt Question on Transaction schedules

number of view equivalant schedules = 10 and conflict equivalant = 6 anyone can suggest how to rotate the image? [...]

Answered: Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 41 (Page No. 259)

i) For 4096 bytes 65536 / 4096 = 16 pages(total) text = 32768 / 4096 = 8 pages data = 16386 / 4096 = 5 pages stack = 15870 / 4096 = 4 pages 8+5+4 = 17, the answer is no. ii) For 512 bytes 65536 / 512 = 128 pages(total) text = 32768 / 512 = 64 pages data = 16386 / 512 = 33 pages stack = 15870 / 512 = 31 pages 64+33+31 = 128, the answer is yes. [...]

Answered: GATE2010-1

Answered: GATE2010-1

Draw two non isomorphic graphs like this You can clearly see that |s| = |t| and both trees are different to each other but they satisfy the property mentioned in the question ANSWER: C [...]

Answered: GATE2013-26

Answered: GATE2013-26

Everything you need to know about LINE GRAPHS You won’t find anything better than this anywhere as its from NPTEL IIT MADRAS. [...]

Answered: GATE2004-54

For access control Ethernet(802.3) uses CSMA/CD. In CSMS/CD collision is resolved by binary backoff algorithm which says if a collision occurs then the stations which involved in collision have to wait $wait = k * Time$ here K is a number chosen from ($0 - 2^n-1$) n is collision number as A has Successfully Transmit 1 packet and B has undergone first collision when A and B collide again for B second collision happened as for A new packets ! collision occurred A can wait between (0 or 1) before retransmission B can wait between (0-3) before retransmission (as it… [...]

Answered: NIELIT 2019 Feb Scientist D - Section D: 30

$\textrm{Given that:}$ $log_{10}(2^x+x-41)=x(1-log_{10}5)$ $\because log_aa=1$ $\textrm{We can use this property here, $log_{10}10=1$}$ $\implies$ $log_{10}(2^x+x-41)=x(log_{10}10-log_{10}5)$ $\implies$ $log_{10}(2^x+x-41)=x(log_{10}(\frac{10}{5}))$ $(\because log_ax-log_ay=log_a(\frac{x}{y}))$ $\implies$ $log_{10}(2^x+x-41)=x(log_{10}2)$ $\implies$ $log_{10}(2^x+x-41)=log_{10}2^x$ $(\because log_ax^n=n*log_ax)$ $\textrm{compair both side we get:}$ $\implies$ $2^x+x-41=2^x$ $\implies$ $x=41$ $\textrm{Option b is correct.}$ [...]

Answered: NIELIT 2019 Feb Scientist C - Section D: 19

$\textrm{Given that:}$ $x=\frac{\sqrt10+\sqrt2}{2},y=\frac{\sqrt10-\sqrt2}{2}$ $\textrm{first find $x^2+xy+y^2$}$ $\implies$ $x^2+xy+y^2+xy-xy$ $\implies$ $x^2+2xy+y^2-xy$ $\implies$ $(x+y)^2-xy….(1)$ $\textrm{Let find x+y first:}$ $\implies$ $\frac{\sqrt10+\sqrt2}{2}+\frac{\sqrt10-\sqrt2}{2}$ $\implies$ $\frac{2*\sqrt10}{2}$ $\implies$ $x+y=$ $\sqrt10...(2)$ $\textrm{Let find x*y:}$ $\implies$ $\frac{\sqrt10+\sqrt2}{2}*\frac{\sqrt10-\sqrt2}{2}$ $\implies$ $\frac{(10-2)}{4}$ $\implies$ $x*y=$$2...(3)$ $\textrm{Substitute eq (2) &(3) into (1), we get:}$ $\implies$ $(\sqrt{10})^2-2$ $\implies$ $8$ $\textrm{Now find l$og_2(8)$,which is equal to 3}$ $\textrm{Option D is correct.}$ [...]

Answered: NIELIT 2019 Feb Scientist C - Section C: 19

$\textrm{Given that: }$ $a^x=b ….(1)$ $b^y=c ….(2)$ $c^z=a….(3)$ $\textrm{taking log in above equations we get:}$ $\implies$ $xlog_2a=log_2b$ $\implies$ $x=\frac{log_2b}{log_2a}….(4)$ $\textrm{in the same way}$ $y=\frac{log_2c}{log_2b}….(5)$ $z=\frac{log_2a}{log_2c}…..(6)$ $\textrm{multiply equations (4),(5),(6).}$ $\implies$ $x*y*z=\frac{log_2b}{log_2a}*\frac{log_2c}{log_2b}*\frac{log_2a}{log_2c}$ $\implies$ $x*y*z=1$ $\textrm{Option C is correct.}$ [...]

Logical reasoning

Each question below contains six statements followed by four sets of combinations of three; Choose the set in which the statement are logically related. A. Final year students would like a good career. B. All final year students are eligible as candidates for MBA entrance examination. C.Final year students are eligible for a good career. D. Some of those who are candidates for an MBA entrance examination are final year students. E. All those eligible as candidates for an MBA entrance examination are eligible for a good career. F. All those who would like a good career are entitled to… [...]

Answered: NIELIT 2019 Feb Scientist D - Section C: 21

Answered: NIELIT 2019 Feb Scientist D - Section C: 21

Now, if 6th reading is x, the x+x+3+x+8= 93.8 after solving, x=27.6 [...]

Answered: NIELIT 2019 Feb Scientist C - Section C: 15

Difference = 500 5% = 500. 100% = (500 *100)/5 = 10000. 100% is the labeled price. So, TV price = 10000 - 20% of 10000 = 80% of 10000 = 8000. [...]

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