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Welcome to GATE CSE Doubts, where you can ask questions and receive answers from other members of the community.

Recent questions tagged ugc-net

0 votes
1 answer 21 views
A bag contains 1 rupee, 50 paise and 25 paise coins. The value of 1 rupee, 50 paise and 25 paise coins are in the ratio of 5 : 2 : 3 respectively. If total number of coins is 420, then what will be the total value of all coins? Rs. 160 Rs. 180 Rs. 220 Rs. 200
asked Jul 21 in Numerical Ability dishendra 8 points 21 views
0 votes
0 answers 25 views
Consider a code with only four valid code words: 0000000000, 0000011111, 1111100000, and 1111111111. This code has distance 5. If the code word arrived is 0000000111 then the original code word must be ____________ 1.0000011111 2.0000000000 3.1111100000 4.11111
asked Jan 21 in Computer Networks abhinav kumar 5 points 25 views
0 votes
0 answers 14 views
Given below are different properties of 3D projections from A-D. Identify the correct order on the basis of property true of (i) a perspective projection only (ii) an orthographic projection only (iii) both orthographic and projective transformations and (iv) neither orthographic nor projective transformation, ... the correct answer from the options given below: D,C,B,A B,C,D,A D,C,A,B C,D,B,A
asked Jan 14 in CBSE/UGC NET dishendra 8 points 14 views
0 votes
0 answers 13 views
Can anyone please guide me for the preparation of UGC NET . I had just completed my MCA and pursuing M.Tech (IT) .
asked Dec 26, 2020 in CBSE/UGC NET SambitSahu 5 points 13 views
0 votes
0 answers 12 views
Consider the following sequence of two transactions on a bank account(A) with initial balance 20,000 that transfers 5,000 to another account (B) and then apply 10% interest. (i) T1 start (ii) T1 A old=20000 new 15,000 (iii) T1 B old=12000 new=17000 (iv) T1 commit ... said, undoing (vi) will set A to 16500, is this correct? because if A is set to 16500 then database will be in an incosistent state.
asked Dec 24, 2020 in Databases eobard 5 points 12 views
0 votes
1 answer 54 views
Let $a^{2c} \enspace mod \enspace n = (a^c)^2\enspace mod\enspace n$ and $a^{2c+1} \enspace mod \enspace n = a(a^c)^2\enspace mod\enspace n$ $For \enspace a =7, b=17 \enspace and \enspace n=561.$ what is the value of $a^b(mod\enspace n)$ ? 160 166 157 67
asked Dec 20, 2020 in Mathematical Logic dishendra 8 points 54 views
0 votes
0 answers 12 views
asked Dec 9, 2020 in Operating System dishendra 8 points 12 views
2 votes
2 answers 221 views
fork(); printf(“1”); fork(); printf(“2”); fork(); printf(“3”); Above question is similar to the UGC NET 2020 question. I have changed the content of printf(“ ”) statements for my better understanding. What will be the output of the above code? Can anyone explain me above code clearly? Original question had all printf(“ ”) statements with hello inside the quotes.
asked Dec 5, 2020 in Operating System tanmaybhadra 13 points 221 views
0 votes
1 answer 45 views
Let A[1...n] be an array of n distinct numbers. If i < j and A[i] > A[j], then the pair (i, j) is called an inversion of A. What is the expected number of inversions in any permutation on n elements ? A) n(n-1)/2 B) n(n-1)/4 C n(n+1)/4 D 2n[logn]
asked Aug 21, 2020 in DS Musa 5 points 45 views
0 votes
0 answers 95 views
asked Jan 1, 2020 in Theory of Computation Shivshankar 5 points 95 views
0 votes
2 answers 54 views
asked Jan 1, 2020 in IS&Software Engineering Viplove04 5 points 54 views
0 votes
0 answers 20 views
Let A be a 3x3 real matrix. Suppose 1 and -1 are two of the three Eigen values of A and 18 is one of the Eigen values of $A^2 + 3A$. Then. a) Both A and $A^2 + 3A$ are invertible b) $A^2 + 3A$ is invertible but A is not c) A is invertible but $A^2 + 3A$ is not d) Both A and $A^2 + 3A$ are not invertible
asked Sep 11, 2019 in Linear Algebra KUSHAGRA गुप्ता 1.4k points 20 views
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