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Recent questions tagged ugcnetcse-oct2020-paper2

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UGC NET CSE | October 2020 | Part 2 | Question: 1
The number of positive integers not exceeding $100$ that are either odd or the square of an integer is _______ $63$ $59$ $55$ $50$

go_editor asked in Set Theory & Algebra Nov 20, 2020

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2 votes

2 answers

2

UGC NET CSE | October 2020 | Part 2 | Question: 2
How many ways are there to pack six copies of the same book into four identical boxes, where a box can contain as many as six books? $4$ $6$ $7$ $9$

go_editor asked in Combinatory Nov 20, 2020

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1 vote

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UGC NET CSE | October 2020 | Part 2 | Question: 3
Which of the following pairs of propositions are not logically equivalent? $((p \rightarrow r) \wedge (q \rightarrow r))$ and $((p \vee q) \rightarrow r)$ $p \leftrightarrow q$ and $(\neg p \leftrightarrow \neg q)$ ... and $p \leftrightarrow q$ $((p \wedge q) \rightarrow r)$ and $((p \rightarrow r) \wedge (q \rightarrow r))$

go_editor asked in Discrete Mathematics Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 4
Consider the following linear programming (LP): $\begin{array}{ll} \text{Max.} & z=2x_1+3x_2 \\ \text{Such that} & 2x_1+x_2 \leq 4 \\ & x_1 + 2x_2 \leq 5 \\ & x_1, x_2 \geq 0 \end{array}$ The optimum value of the LP is $23$ $9.5$ $13$ $8$

go_editor asked in Optimization Nov 20, 2020

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1 vote

1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 5
Consider a machine with a byte addressable main memory of $2^{16}$ bytes block size of $8$ bytes. Assume that a direct mapped cache consisting of $32$ lines used with this machine. How many bits will be there in Tag, line and word field of format of main memory addresses? $8,5,3$ $8,6,2$ $7,5,4$ $7,6,3$

go_editor asked in CO and Architecture Nov 20, 2020

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0 votes

1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 6
The following program is stored in memory unit of the basic computer. What is the content of the accumulator after the execution of program? (All location numbers listed below are in hexadecimal). ... $1002\text{H}$ $2011\text{H}$ $2022\text{H}$ $0215\text{H}$

go_editor asked in CO and Architecture Nov 20, 2020

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1 vote

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 7
A non-pipeline system takes $50$ns to process a task. The same task can be processed in six-segment pipeline with a clockcycle of $10$ns. Determine approximately the speedup ratio of the pipeline for $500$ tasks. $6$ $4.95$ $5.7$ $5.5$

go_editor asked in CO and Architecture Nov 20, 2020

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1 vote

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 8
What is the radix of the numbers if the solution to the quadratic equation $x^2-10x+26=0$ is $x=4$ and $x=7$? $8$ $9$ $10$ $11$

go_editor asked in Quantitative Aptitude Nov 20, 2020

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2 votes

1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 9
Consider the following pseudo-code fragment, where $a$ and $b$ are integer variables that have been initialized: /* Pre-conditions : $(a > 1 \wedge a < b)$ */ /* Assume that overflow never occurs */ int $x=0$; int $p=1$ ... $\lfloor \: \: \rfloor$ means floor */ $\lfloor \log_a^b \rfloor$ /* $\lceil \: \: \rceil$ means ceil */

go_editor asked in Programming and DS Nov 20, 2020

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3 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 10
In HTML, $<\text{map}>$ tag is used for defining a path between two nodes in an image defining clickable region in an image highlighting an area in an image defining the site-map of a web-site

go_editor asked in Web Technologies Nov 20, 2020

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3 votes

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UGC NET CSE | October 2020 | Part 2 | Question: 11
Suppose you are compiling on a machine with $1$-byte chars, $2$-byte shorts, $4$-byte ints, and $8$-byte doubles, and with alignment rules that require the address of every primitive data element to be an integer multiple of the element's size. ... int i; } A[10]; /*10 element array of structs */ $150$ bytes $320$ bytes $240$ bytes $200$ bytes

go_editor asked in Programming in C Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 12
Consider the following recursive Java function $f$ that takes two long arguments and returns a float value: public static float f (long m, long n) { float result = (float)m / (float)n; if (m < 0 || n<0) return 0.0f; else result -=f(m*2, ... } Which of the following real values best approximates the value of $f(1,3)$? $0.2$ $0.4$ $0.6$ $0.8$

go_editor asked in Object Oriented Programming Nov 20, 2020

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1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 13
The data node and name node in HADOOP are Worker Node and Master Node respectively Master Node and Worker Node respectively Both Worker Nodes Both Master Nodes

go_editor asked in Big Data Systems Nov 20, 2020

981 views

3 votes

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 14
Consider a relational schema $S=(U,V,W,X,Y,Z)$ on which the following functional dependencies hold: $(U \rightarrow V, VW \rightarrow X, Y \rightarrow W, X \rightarrow U)$ Which are the candidate keys among following options? $UY, VY$ $UY, VY, XY$ $UYZ, VYZ, VWZ$ $UYZ, VYZ, XYZ$

go_editor asked in Databases Nov 20, 2020

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1 vote

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 15
Consider a hypothetical machine with $3$ pages of physical memory, $5$ pages of virtual memory, and $<A, B, C, D, A, B, E, A, B, C, D, E, B, A, B>$ as the stream of page reference by an application. If $P$ and $Q$ are the number of ... $(P,Q)=$ _______(Assuming enough space for storing $3$ page frames) $(11,10)$ $(12,11)$ $(10,11)$ $(11,12)$

go_editor asked in Operating System Nov 20, 2020

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1 vote

3 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 16
Consider a disk system having $60$ cylinders. Disk requests are received by a disk drive for cylinders $10,22,20,2,40,6$ and $38$, in that order. Assuming the disk head is currently at cylinder $20$, what is the ... one and Shortest Seek Time First (SSTF) algorithm is used? $240$ milliseconds $96$ milliseconds $120$ milliseconds $112$ milliseconds

go_editor asked in Operating System Nov 20, 2020

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0 votes

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 17
Suppose you have a Linux file system where the block size is $2K$ bytes, a disk address is $32$ bits, and an $i-$node contains the disk addresses of the first $12$ direct blocks of file, a single indirect block and a double indirect ... is the largest file that can be represented by an $i-$node? $513$ Kbytes $513$ MBytes $537$ Mbytes $537$ KBytes

go_editor asked in Operating System Nov 20, 2020

1.8k views

2 votes

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 18
Consider a single-level page table system, with the page table stored in the memory. If the hit rate to TLB is $80\%$, and it takes $15$ nanoseconds to search the $TLB$, and $150$ nanoseconds to access the main memory, then what is the effective memory access time, in nanoseconds? $185$ $195$ $205$ $175$

go_editor asked in Operating System Nov 20, 2020

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1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 19
Which of the following $UML$ diagrams has a static view? Collaboration diagram Use-Case diagram State chart diagram Activity diagram

go_editor asked in IS&Software Engineering Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 20
Modifying the software by restructuring is called Adaptive maintenance Corrective maintenance Perfective maintenance Preventive maintenance

go_editor asked in IS&Software Engineering Nov 20, 2020

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UGC NET CSE | October 2020 | Part 2 | Question: 21
A company has a choice of two languages $L_1$ and $L_2$ to develop a software for their client. Number of LOC required to develop an application in $L_2$ is thrice the LOC in language $L_1$. Also, software has to be maintained for ... for $L_1$ for which cost of developing the software with both languages must be same? $2000$ $6000$ $3000$ $5000$

go_editor asked in IS&Software Engineering Nov 20, 2020

1.6k views

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1 answer

22

UGC NET CSE | October 2020 | Part 2 | Question: 22
A Software project was estimated at $864$ Function Points. A six person team will be assigned to project consisting of a requirement gathering person, one designer, two programmers and two testers. The salary of the designer is $\text{Rs. } 70,000$ per month, ... $\text{Rs. } 43,20,000$ $\text{Rs. } 33,10,000$ $\text{Rs. } 22,10,000$

go_editor asked in IS&Software Engineering Nov 20, 2020

1.3k views

1 vote

3 answers

23

UGC NET CSE | October 2020 | Part 2 | Question: 23
A complete $n$-ary tree is a tree in which each node has $n$ children or no children. Let $I$ be the number of internal nodes and $L$ be the number of leaves in a complete $n$-ary tree. If $L=41$, and $I=10$, what is the value of $n$? $3$ $4$ $5$ $6$

go_editor asked in DS Nov 20, 2020

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3 votes

3 answers

24

UGC NET CSE | October 2020 | Part 2 | Question: 24
In a binary max heap containing $n$ numbers, the smallest element can be found in ______ $O(n)$ $O(\log _2 n)$ $O(1)$ $O(\log_2 \log_2 n)$

go_editor asked in DS Nov 20, 2020

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1 answer

25

UGC NET CSE | October 2020 | Part 2 | Question: 25
If algorithm $A$ and another algorithm $B$ take $\log_2 (n)$ and $\sqrt{n}$ microseconds, respectively, to solve a problem, then the largest size $n$ of a problem these algorithms can solve, respectively, in one second are ______ and ______. $2^{10^n}$ and $10^6$ $2^{10^n}$ and $10^{12}$ $2^{10^n}$ and $6.10^6$ $2^{10^n}$ and $6.10^{12}$

go_editor asked in Algorithms Nov 20, 2020

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1 vote

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 26
Let $G$ be a directed graph whose vertex set is the set of numbers from $1$ to $100$. There is an edge from a vertex $i$ to a vertex $j$ if and only if either $j=i+1$ or $j=3i$. The minimum number of edges in a path in $G$ from vertex $1$ to vertex $100$ is ______ $23$ $99$ $4$ $7$

go_editor asked in Discrete Mathematics Nov 20, 2020

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2 votes

2 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 27
Consider $L=L_1 \cap L_2$ where $L_1 = \{ 0^m 1^m 20^n 1^n \mid m,n \geq 0 \}$ $L_2 = \{0^m1^n2^k \mid m,n,k \geq 0 \}$ Then, the language $L$ is Recursively enumerable but not context free Regular Context free but not regular Not recursive

go_editor asked in Theory of Computation Nov 20, 2020

2.2k views

3 votes

5 answers

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UGC NET CSE | October 2020 | Part 2 | Question: 28
Let $L_1$ and $L_2$ be languages over $\Sigma = \{a,b\}$ represented by the regular expressions $(a^* +b)^*$ and $(a+b)^*$ respectively. Which of the following is true with respect to the two languages? $L_1 \subset L_2$ $L_2 \subset L_1$ $L_1 = L_2$ $L_1 \cap L_2 = \phi$

go_editor asked in Theory of Computation Nov 20, 2020

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2 votes

2 answers

29

UGC NET CSE | October 2020 | Part 2 | Question: 29
Which of the following statements is true? The union of two context free languages is context free The intersection of two context free languages is context free The complement of a context free language is context free If a language is context free, it can always be accepted by a deterministic pushdown automaton

go_editor asked in Theory of Computation Nov 20, 2020

4.1k views

5 votes

1 answer

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UGC NET CSE | October 2020 | Part 2 | Question: 30
Which of the following is not an intermediate code form? Syntax trees Three address codes Quadrupules Post fix Notation

go_editor asked in Compiler Design Nov 20, 2020

7.4k views

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Recent questions tagged ugcnetcse-oct2020-paper2