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Recent questions tagged ugcnetcse-dec2019-paper2
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UGC NET CSE | December 2019 | Part 2 | Question: 1
A basic feasible solution of an $m \times n$ transportation problem is said to be non-degenerate, if basic feasible solution contains exactly _______ number of individual allocation in ______ positions. $m+n+1$, independent $m+n-1$, independent $m+n-1$, appropriate $m-n+1$, independent
A basic feasible solution of an $m \times n$ transportation problem is said to be non-degenerate, if basic feasible solution contains exactly _______ number of individual...
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UGC NET CSE | December 2019 | Part 2 | Question: 2
Consider the following Linear programming problem $\text{(LPP)}$: Maximize $z=x_1+x_2$ Subject to the constraints: $x_1+2x_2 \leq 2000 \\ x_1+x_2 \leq 1500 \\ x_2 \leq 600 \\ \text{and } x_1, x_2 \geq 0$ The solution of the above $\text{LPP}$ ... $x_1=500, x_2= 1000, z=1500$ $x_1=1000, x_2= 500, z=1500$ $x_1=900, x_2= 600, z=1500$
Consider the following Linear programming problem $\text{(LPP)}$:Maximize $z=x_1+x_2$Subject to the constraints:$x_1+2x_2 \leq 2000 \\ x_1+x_2 \leq 1500 \\ x_2 \leq 600 \...
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UGC NET CSE | December 2019 | Part 2 | Question: 3
The Boolean expression $AB+A \overline{B}+\overline{A}C+AC$ is unaffected by the value of the Boolean variable _________. $A$ $B$ $C$ $A, B$ and $C$
The Boolean expression $AB+A \overline{B}+\overline{A}C+AC$ is unaffected by the value of the Boolean variable _________.$A$$B$$C$$A, B$ and $C$
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ugcnetcse-dec2019-paper2
digital-logic
boolean-algebra
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UGC NET CSE | December 2019 | Part 2 | Question: 4
What are the greatest lower bound $\text{(GLB)}$ and the least upper bound $\text{(LUB)}$ of the sets $A= \{ 3, 9, 12 \}$ and $B=\{1,2,4,5,10 \}$ if they exist in poset $(z^+, / )$? $\text{A(GLB - 3, LUB - 36); B(GLB - 1, LUB - 20)}$ ... $\text{A(GLB - 1, LUB - 36); B(GLB - 2, LUB - 20)}$ $\text{A(GLB - 1, LUB - 12); B(GLB - 2, LUB - 10)}$
What are the greatest lower bound $\text{(GLB)}$ and the least upper bound $\text{(LUB)}$ of the sets $A= \{ 3, 9, 12 \}$ and $B=\{1,2,4,5,10 \}$ if they exist in poset $...
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UGC NET CSE | December 2019 | Part 2 | Question: 5
Let $P$ be the set of all people. Let $R$ be a binary relation on $P$ such that $(a, b)$ is in $R$ if $a$ is a brother of $b$. Is $R$ symmetric transitive, an equivalence relation, a partial order relation? $\text{NO, NO, NO, NO}$ $\text{NO, NO, YES, NO}$ $\text{NO, YES, NO, NO}$ $\text{NO, YES, YES, NO}$
Let $P$ be the set of all people. Let $R$ be a binary relation on $P$ such that $(a, b)$ is in $R$ if $a$ is a brother of $b$. Is $R$ symmetric transitive, an equivalence...
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UGC NET CSE | December 2019 | Part 2 | Question: 6
The weight of minimum spanning tree in graph $G$, calculated using Kruskal’s algorithm is: $14$ $15$ $17$ $18$
The weight of minimum spanning tree in graph $G$, calculated using Kruskal’s algorithm is:$14$$15$$17$$18$
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ugcnetcse-dec2019-paper2
algorithms
minimum-spanning-tree
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UGC NET CSE | December 2019 | Part 2 | Question: 7
A tree has $2n$ vertices of degree $1$, $3n$ vertices of degree $2$, $n$ vertices of degree $3$. Determine the number of vertices and edges in tree. $12, 11$ $11, 12$ $10, 11$ $9, 10$
A tree has $2n$ vertices of degree $1$, $3n$ vertices of degree $2$, $n$ vertices of degree $3$. Determine the number of vertices and edges in tree.$12, 11$$11, 12$$10, 1...
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UGC NET CSE | December 2019 | Part 2 | Question: 8
How many reflexive relations are there on a set with $4$ elements? $2^4$ $2^{12}$ $4^2$ $2$
How many reflexive relations are there on a set with $4$ elements?$2^4$$2^{12}$$4^2$$2$
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UGC NET CSE | December 2019 | Part 2 | Question: 9
A non-pipelined system takes $\text{30ns}$ to process a task. The same task can be processed in a four-segment pipeline with a clock cycle of $\text{10ns}$. Determine the speed up of the pipeline for $100$ tasks. $3$ $4$ $3.91$ $2.91$
A non-pipelined system takes $\text{30ns}$ to process a task. The same task can be processed in a four-segment pipeline with a clock cycle of $\text{10ns}$. Determine the...
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ugcnetcse-dec2019-paper2
co-and-architecture
pipelining
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UGC NET CSE | December 2019 | Part 2 | Question: 10
A computer uses a memory unit of $512\:K$ words of $32$ bits each. A binary instruction code is stored in one word of the memory. The instruction has four parts: an addressing mode field to specify one of the two-addressing mode (direct and indirect), an operation code, a ... address part? $1, 3, 9, 19$ $1, 4, 9, 18$ $1, 4, 8, 19$ $1, 3, 8, 20$
A computer uses a memory unit of $512\:K$ words of $32$ bits each. A binary instruction code is stored in one word of the memory. The instruction has four parts: an addre...
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UGC NET CSE | December 2019 | Part 2 | Question: 11
A micro instruction format has microoperation field which is divided into $2$ sunbfields $F1$ and $F2$ , each having $15$ distinct microoperations, condition field $\text{CD}$ for four status bits, branch field $\text{BR}$ having four options used ... The address space is of $128$ memory words. The size of micro instruction is: $19$ $18$ $17$ $20$
A micro instruction format has microoperation field which is divided into $2$ sunbfields $F1$ and $F2$ , each having $15$ distinct microoperations, condition field $\text...
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UGC NET CSE | December 2019 | Part 2 | Question: 12
Given following equation: $(142)_b + (112)_{b-2} = (75)_8$, find base $b$. $3$ $6$ $7$ $5$
Given following equation:$(142)_b + (112)_{b-2} = (75)_8$, find base $b$.$3$$6$$7$$5$
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UGC NET CSE | December 2019 | Part 2 | Question: 13
The following program is stored in the memory unit of the basic computer. Give the content of accumulator register in hexadecimal after the execution of the program. ... $\text{A}1\text{B}4$ $81\text{B}4$ $\text{A}184$ $8184$
The following program is stored in the memory unit of the basic computer. Give the content of accumulator register in hexadecimal after the execution of the program.$$\be...
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UGC NET CSE | December 2019 | Part 2 | Question: 14
What is the output of the following $C$ program? # include <stdio.h> main () { int i, j, x=0; for (i=0; i<5; ++i) for (j=0; j<i; ++j) { x+=(i+j-1); break; } printf(“%d”, x); } $6$ $5$ $4$ $3$
What is the output of the following $C$ program?# include <stdio.h main () { int i, j, x=0; for (i=0; i<5; ++i) for (j=0; j<i; ++j) { x+=(i+j-1); break; } printf(“%d”...
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UGC NET CSE | December 2019 | Part 2 | Question: 15
Let $A$ be the base class in $\text{C++}$ and $B$ be the derived class from $A$ with protected inheritance. Which of the following statement is false for class $B$? Member function of class $B$ can access protected data of ... of class $B$ cannot access private data of class $A$ Object of derived class $B$ can access public base class data
Let $A$ be the base class in $\text{C++}$ and $B$ be the derived class from $A$ with protected inheritance. Which of the following statement is false for class $B$?Member...
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UGC NET CSE | December 2019 | Part 2 | Question: 16
Which tag is used to enclose any number of javascript statements in HTML document? <code> <script> <title> <body>
Which tag is used to enclose any number of javascript statements in HTML document?<code><script><title><body>
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UGC NET CSE | December 2019 | Part 2 | Question: 17
A rectangle is bound by the lines $x=0; y=0; x=5$ and $y=3$. The line segment joining $(-1, 0)$ and $(4,5)$, if clipped against this window will connect the points __________. $(0,1)$ and $(3,3)$ $(0,1)$ and $(2,3)$ $(0,1)$ and $(4,5)$ $(0,1)$ and $(3,5)$
A rectangle is bound by the lines $x=0; y=0; x=5$ and $y=3$. The line segment joining $(-1, 0)$ and $(4,5)$, if clipped against this window will connect the points ______...
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UGC NET CSE | December 2019 | Part 2 | Question: 18
Which of the following algorithms is not used for line clipping? Cohen-Sutherland algorithm Sutherland-Hodgeman algorithm Liang-Barsky algorithm Nicholl-Lee-Nicholl algorithm
Which of the following algorithms is not used for line clipping?Cohen-Sutherland algorithmSutherland-Hodgeman algorithmLiang-Barsky algorithmNicholl-Lee-Nicholl algorithm...
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UGC NET CSE | December 2019 | Part 2 | Question: 19
If we want to resize a $1024 \times 768$ pixels image to one that is $640$ pixels wide with the same aspect ratio, what would be the height of the resized image? $420$ Pixels $460$ Pixels $480$ Pixels $540$ Pixels
If we want to resize a $1024 \times 768$ pixels image to one that is $640$ pixels wide with the same aspect ratio, what would be the height of the resized image?$420$ Pix...
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UGC NET CSE | December 2019 | Part 2 | Question: 20
Which of the component module of $\text{DBMS}$ does rearrangement and possible ordering of operations, eliminate redundancy in query and use efficient algorithms and indexes during the execution of a query? query compiler query optimizer Stored data manager Database processor
Which of the component module of $\text{DBMS}$ does rearrangement and possible ordering of operations, eliminate redundancy in query and use efficient algorithms and ind...
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UGC NET CSE | December 2019 | Part 2 | Question: 21
Given two tables $R1(x,y)$ and $R2(y,z)$ with $50$ and $30$ number of tuples respectively. Find maximum number of tuples in the output of natural join between tables $R1$ and $R2$ i.e. $R1 * R2$? ($*$- Natural Join) $30$ $20$ $50$ $1500$
Given two tables $R1(x,y)$ and $R2(y,z)$ with $50$ and $30$ number of tuples respectively. Find maximum number of tuples in the output of natural join between tables $R1$...
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UGC NET CSE | December 2019 | Part 2 | Question: 22
Given two tables EMPLOYEE (EID, ENAME, DEPTNO) DEPARTMENT (DEPTNO, DEPTNAME) Find the most appropriate statement of the given query: Select count (*) total' from EMPLOYEE where DEPTNO IN (D1,D2) group by DEPTNO having count (*) > ... total number of employees in both departments $D1$ and $D2$ The output of the query must have at least two rows
Given two tablesEMPLOYEE (EID, ENAME, DEPTNO) DEPARTMENT (DEPTNO, DEPTNAME)Find the most appropriate statement of the given query:Select count (*) ‘total’ from EMPLOY...
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Databases
ugcnetcse-dec2019-paper2
sql
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UGC NET CSE | December 2019 | Part 2 | Question: 23
Find minimum number of tables required for converting the following entity relationship diagram into relational database? $2$ $4$ $3$ $5$
Find minimum number of tables required for converting the following entity relationship diagram into relational database?$2$$4$$3$$5$
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Databases
ugcnetcse-dec2019-paper2
er-diagram
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UGC NET CSE | December 2019 | Part 2 | Question: 24
A counting semaphore is initialized to $8$. $3$ wait ( ) operations and $4$ signal ( ) operations are applied. Find the current value of semaphore variable. $9$ $5$ $1$ $4$
A counting semaphore is initialized to $8$. $3$ wait ( ) operations and $4$ signal ( ) operations are applied. Find the current value of semaphore variable.$9$$5$$1$$4$
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UGC NET CSE | December 2019 | Part 2 | Question: 25
Which of the following is not needed by an encryption algorithm used in Cryptography? $\text{KEY}$ Message Ciphertext User details
Which of the following is not needed by an encryption algorithm used in Cryptography?$\text{KEY}$MessageCiphertextUser details
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UGC NET CSE | December 2019 | Part 2 | Question: 26
Which of the following $\text{CPU}$ scheduling algorithms is/are supported by $\text{LINUX}$ operating system? Non-preemptive priority scheduling Preemptive priority scheduling and time sharing $\text{CPU}$ scheduling Time sharing scheduling only Priority scheduling only
Which of the following $\text{CPU}$ scheduling algorithms is/are supported by $\text{LINUX}$ operating system?Non-preemptive priority schedulingPreemptive priority schedu...
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UGC NET CSE | December 2019 | Part 2 | Question: 27
Consider a paging system where translation look aside buffer ($\textsf{TLB}$) a special type of associative memory is used with hit ratio of $80 \%$. Assume that memory reference takes $80$ ... memory access time given $80\%$ hit ratio? $110$ nanoseconds $116$ nanoseconds $200$ nanoseconds $100$ nanoseconds
Consider a paging system where translation look aside buffer ($\textsf{TLB}$) a special type of associative memory is used with hit ratio of $80 \%$.Assume that memory re...
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UGC NET CSE | December 2019 | Part 2 | Question: 28
Suppose a system has $12$ magnetic tape drives and at time $t_0$ ... $\left \langle p_2, p_1, p_0 \right \rangle$ $\left \langle p_0, p_2, p_1 \right \rangle$
Suppose a system has $12$ magnetic tape drives and at time $t_0$, three processes are allotted tape drives out of their need as given below:$$\begin{array}{ccc} & \text{M...
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UGC NET CSE | December 2019 | Part 2 | Question: 29
Which of the following interprocess communication model is used to exchange messages among co-operative processes? Shared memory model Message passing model Shared memory and message passing model Queues
Which of the following interprocess communication model is used to exchange messages among co-operative processes?Shared memory modelMessage passing modelShared memory an...
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UGC NET CSE | December 2019 | Part 2 | Question: 30
Given $\text{CPU}$ time slice of $2\text{ms}$ ... time and average waiting time using round robin $\text{CPU}$ scheduling? $4, 0$ $5.66, 1.66$ $5.66, 0$ $7, 2$
Given $\text{CPU}$ time slice of $2\text{ms}$ and following list of processes.$$\begin{array}{ccc} \text{Process} & \text{Burst time} & \text{Arrival time} \\ & \text{(ms...
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