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Recent questions tagged uppcl2018
2
votes
2
answers
1
UPPCL AE 2018:70
Consider the following grammar $\text{G:}$ $\text{P} \rightarrow \text{Q + R} \mid \text{Q - R} \mid \text{Q} \mid \text{R}$ $\text{Q} \rightarrow q \mid r$ $\text{R} \rightarrow r \mid s$ where $\text{P, Q,}$ and $\text{R}$ ... grammar $\text{G}$ Neither $\text{S1}$ nor $\text{S2}$ Only $\text{S1}$ Only $\text{S2}$ Both $\text{S1}$ and $\text{S2}$
gate_forum
asked
in
Compiler Design
Jan 13, 2019
by
gate_forum
411
views
uppcl2018
compiler-design
parsing
ll-parser
1
vote
1
answer
2
UPPCL AE 2018:85
The set of equations $x^{2} + y^{2} = 1$ and $x + y = 0$ has how many real solutions? Infinite number of solutions No solution $2$ solutions $1$ solution
Lakshman Patel RJIT
asked
in
Quantitative Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
251
views
uppcl2018
quantitative-aptitude
geometry
circle
0
votes
1
answer
3
UPPCL AE 2018:84
Assertion $\text{(A)}:$ James Watt invented the steam engine. Reason $\text{(R)}:$ It was invented to pump out the water from the flooded mines. Both $\text{A}$ and $\text{R}$ are true and $\text{R}$ is the correct explanation of $\text{A}.$ $\text{A}$ is true, ... $\text{A}$ and $\text{R}$ are true, but $\text{R}$ is not the correct explanation of $\text{A}.$
Lakshman Patel RJIT
asked
in
Analytical Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
310
views
uppcl2018
analytical-aptitude
logical-reasoning
0
votes
0
answers
4
UPPCL AE 2018:83
Seven friends, Anil, Sunil, Rohit, Puja, Shalini, Pradhi and Gaurav bought seven cars during a week but each one bought their cars on a different day of the week. Each of them also bought a different brand of car. The brands are Maruti, ... Shalini bought a Honda on Tuesday Shalini bought a Renault on Sunday Shalini bought a Toyota on Wednesday Shalini bought a Honda on Saturday
Lakshman Patel RJIT
asked
in
Analytical Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
188
views
uppcl2018
analytical-aptitude
logical-reasoning
0
votes
1
answer
5
UPPCL AE 2018:82
If $703_{x}$ (in base-$x$ number system) equals $504_{y}$ (in base-$y$ number system), then possible values of $x, y$ are: $17, 18$ None of these $8, 11$ $12, 13$
Lakshman Patel RJIT
asked
in
Digital Logic
Jan 5, 2019
by
Lakshman Patel RJIT
204
views
uppcl2018
digital-logic
number-representation
0
votes
1
answer
6
UPPCL AE 2018:81
The value of $\dfrac{|x|}{x}$ at $x= 0$ is: Infinity Not defined $1$ $0$
Lakshman Patel RJIT
asked
in
Calculus
Jan 5, 2019
by
Lakshman Patel RJIT
186
views
uppcl2018
calculus
limits
0
votes
1
answer
7
UPPCL AE 2018:80
In a high school, a class teacher is scheduling the six subjects into periods $1$ through $6$ for her class. The subjects are: Hindi, English, Mathematics, Science, History and Geography. She has to abide by the following conditions: ... or immediately after Hindi If the Mathematics period is scheduled before Science, then Geography must be which period? second fourth third fifth
Lakshman Patel RJIT
asked
in
Analytical Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
191
views
uppcl2018
analytical-aptitude
logical-reasoning
0
votes
1
answer
8
UPPCL AE 2018:79
The decimal value $0.625$ equals the binary $0.111$ equals no finite binary string equals the binary $0.101$ equals the binary $0.10011$
Lakshman Patel RJIT
asked
in
Digital Logic
Jan 5, 2019
by
Lakshman Patel RJIT
172
views
uppcl2018
digital-logic
number-representation
0
votes
1
answer
9
UPPCL AE 2018:78
What is the sum of the following series: $2 + 4+ 6+ 8+ \dots + 94 + 96 + 98 + 100$ $4300$ $2000$ $3240$ $2550$
Lakshman Patel RJIT
asked
in
Quantitative Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
196
views
uppcl2018
quantitative-aptitude
arithmetic-series
0
votes
1
answer
10
UPPCL AE 2018:77
Arrange the words given below in a meaningful sequence. Key Door Lock Room Switch On $4, 2, 1, 5, 3 $ $1, 3, 2, 4, 5 $ $1, 2, 3, 5, 4 $ $5, 1, 2, 4, 3 $
Lakshman Patel RJIT
asked
in
Analytical Aptitude
Jan 5, 2019
by
Lakshman Patel RJIT
179
views
uppcl2018
analytical-aptitude
logical-reasoning
0
votes
0
answers
11
UPPCL AE 2018:76
Consider the statements: $\text{A} \Leftrightarrow \text{A} \vee \sim \text{A}$ $\text{A} \Leftrightarrow \text{A} \vee \text{A}$ $\text{A} \vee \text{B} \Rightarrow \text{A}$ $\text{A} \Rightarrow \text{A} \vee \text{B}$ Which of the above refers to tautologies? $\text{III}$ $\text{I}$ and $\text{II}$ $\text{II}$ and $\text{IV}$ $\text{I}$
Lakshman Patel RJIT
asked
in
Mathematical Logic
Jan 5, 2019
by
Lakshman Patel RJIT
104
views
uppcl2018
mathematical-logic
propositional-logic
0
votes
0
answers
12
UPPCL AE 2018:75
What is the output of the following $\text{C}$ program? #include<stdio.h> int main(void) { struct bitfields { int bits_1 : 2; int bits_2 : 4; int bits_3 : 4; int bits_4 : 3; } bit = {2, 3, 8, 7}; printf(“%d %d %d %d”, bit.bits_1, bit.bits_2, bit.bits_3, bit.bits_4 ); } $\text{-}2 \; 3 \; \text{-}8 \; \text{-}1 $ $2 \; 4 \; 4 \; 3 $ $0 \; 0 \; 0 \; 0 $ $2 \; 3 \; 8 \; 7 $
Lakshman Patel RJIT
asked
in
Programming
Jan 5, 2019
by
Lakshman Patel RJIT
135
views
uppcl2018
programming
programming-in-c
output
0
votes
0
answers
13
UPPCL AE 2018:74
Consider the following statements regarding life time of any normally terminating process in an operating system. The process must be in $\text{RUNNING}$ state at least once during its execution. The process must be in $\text{RUNNING}$ state at least twice during its execution. The process must be ... $\text{III}$ $\text{I}$ and $\text{II}$ $\text{I, III}$ and $\text{IV}$
Lakshman Patel RJIT
asked
in
Operating System
Jan 5, 2019
by
Lakshman Patel RJIT
136
views
uppcl2018
operating-system
process-scheduling
0
votes
1
answer
14
UPPCL AE 2018:73
Consider the following array of elements $<70, 23, 60, 19, 13, 16, 1, 4, 8, 12, 7, 10, 85>$ The minimum number of interchanges needed to convert into a max-heap is $4$ $1$ $3$ $2$
Lakshman Patel RJIT
asked
in
DS
Jan 5, 2019
by
Lakshman Patel RJIT
192
views
uppcl2018
data-structures
heap
0
votes
1
answer
15
UPPCL AE 2018:72
The recurrence equation $T(n) = T(\sqrt{n}) + O(1)$ has the following asymptotic solution: $T(n) = O(\sqrt{n})$ $T(n) = O(\log n)$ $T(n) = O(n^{1/\log n})$ $T(n) = O(\log \log n)$
Lakshman Patel RJIT
asked
in
Algorithms
Jan 5, 2019
by
Lakshman Patel RJIT
169
views
uppcl2018
algorithms
asymptotic-notations
recurrence-relation
0
votes
0
answers
16
UPPCL AE 2018:71
Consider the following transactions with data items $\text{P}$ and $\text{Q}$ initialized to zero: T1: read (P); read (Q); if P = 0 then Q : = Q + 1; write (Q); T2: read (P); read (P); if Q = ... concurrent execution leads to A serializable schedule A conflict serializable schedule A schedule for which a precedence graph cannot be drawn A schedule that is not conflict serializable
Lakshman Patel RJIT
asked
in
Databases
Jan 5, 2019
by
Lakshman Patel RJIT
147
views
uppcl2018
databases
transaction-and-concurrency
conflict-serializable
0
votes
1
answer
17
UPPCL AE 2018:69
The preorder traversal sequence of a binary search tree is $25, 15, 10, 4, 12, 22, 18, 24, 50, 35, 31, 44, 70, 66, 90$ Which one of the following is the postorder traversal sequence of the same tree? $4, 12, 10, 18, 24, 22, 15, 31, 44, 35, 66, 90, 70, 50, 25$ ... $4, 12, 10, 18, 24, 15, 22, 31, 44, 50, 66, 90, 70, 35, 25$
Lakshman Patel RJIT
asked
in
DS
Jan 5, 2019
by
Lakshman Patel RJIT
162
views
uppcl2018
data-structures
binary-search-tree
tree-traversal
0
votes
1
answer
18
UPPCL AE 2018:68
Which of the following circuits are equivalent (i.e., they produce the same output for all inputs)? $\text{F} = ab + bc + ca$ $\text{G} = (a+b)(b+c)(c+a)$ $\text{H} = \text{NAND(NAND(a,b), NAND(b,c),NAND(c,a))} $ $\text{F}$ and $\text{H}$ $\text{F}$ and $\text{G}$ $\text{F, G}$ and $\text{H}$ $\text{G}$ and $\text{H}$
Lakshman Patel RJIT
asked
in
Digital Logic
Jan 5, 2019
by
Lakshman Patel RJIT
228
views
uppcl2018
digital-logic
boolean-algebra
0
votes
0
answers
19
UPPCL AE 2018:67
Consider a fully-associative data cache with $32$ blocks of $64$ bytes each. The cache uses $\text{LRU}$ (Least Recently Used) replacement. Consider the following $\text{C}$ code to sum together all of the elements of a $64$ by $64$ two-dimensional array ... all blocks in the cache are initially invalid. How many cache misses will result from the code? $256$ $128$ $1024$ $512$
Lakshman Patel RJIT
asked
in
CO and Architecture
Jan 5, 2019
by
Lakshman Patel RJIT
137
views
uppcl2018
co-and-architecture
cache-memory
cache-misses
0
votes
1
answer
20
UPPCL AE 2018:66
In a course, a professor gives five grades $\{\text{A, B, C, D, F}\}.$ What is the minimum number of students required so that four of them are guaranteed to get the same grade? None of the above $14$ $18$ $16$
Lakshman Patel RJIT
asked
in
Combinatory
Jan 5, 2019
by
Lakshman Patel RJIT
140
views
uppcl2018
combinatory
pigeonhole-principle
0
votes
0
answers
21
UPPCL AE 2018:65
Consider that $\text{N}$ distinct elements $(\text{N}>3)$ are inserted into an initially empty binary search tree $\text{(BST)}.$ Which of the following statements are true? None of the above The worst case height of the resulting $\text{BST}$ is ... $\text{BST}.$ Swapping the order of insertion of any two elements can always half the height of the resulting $\text{BST}.$
Lakshman Patel RJIT
asked
in
DS
Jan 5, 2019
by
Lakshman Patel RJIT
132
views
uppcl2018
data-structures
binary-search-tree
0
votes
1
answer
22
UPPCL AE 2018:64
The following grammar $\text{G}$ is left recursive. $\text{E} \rightarrow \text{E + T}\; \mid \; \text{T} $ $\text{T} \rightarrow \text{T * F} \; \mid \; \text{F} $ $\text{F} \rightarrow \text{(E)} \mid \textbf{id} $ Which of the following is a correct left- ...
Lakshman Patel RJIT
asked
in
Compiler Design
Jan 5, 2019
by
Lakshman Patel RJIT
181
views
uppcl2018
compiler-design
context-free-grammar
left-recursion
0
votes
1
answer
23
UPPCL AE 2018:63
We have a database table with relational schema $\text{R(XYZPQ)}:$ ... dependency. $\text{Y} \rightarrow \text{X}$ is a functional dependency. None of the above $\text{YZ} \rightarrow \text{P}$ is a functional dependency.
Lakshman Patel RJIT
asked
in
Databases
Jan 5, 2019
by
Lakshman Patel RJIT
168
views
uppcl2018
databases
database-normalization
functional-dependency
0
votes
0
answers
24
UPPCL AE 2018:62
Let $\text{MXI}$ be an inverting $2:1$ multiplexer whose output is $a’,$ when $s=0$ and output is $b’$ when $s=1.$ That is, $\text{MXI}(s,a,b) = s’a’ + sb’.$ What function is the following circuit equivalent to? Exclusive $\text{OR}$ Exclusive $\text{NOR}$ Inclusive $\text{OR}$ Half adder sum
Lakshman Patel RJIT
asked
in
Digital Logic
Jan 5, 2019
by
Lakshman Patel RJIT
149
views
uppcl2018
digital-logic
combinational-circuit
multiplexer
0
votes
0
answers
25
UPPCL AE 2018:61
Consider a computer system with $32-$ bit virtual addressing and page size of sixty-four kilobytes. The computer system has one-level page table per process with each page table entry of $6$ bytes. If the maximum physical memory size supported by this paging system is ... how many bits can be used for flags and permissions within a page table entry? $6$ None of the above $7$ $5$
Lakshman Patel RJIT
asked
in
Operating System
Jan 5, 2019
by
Lakshman Patel RJIT
122
views
uppcl2018
operating-system
memory-management
paging
0
votes
3
answers
26
UPPCL AE 2018:60
The following function attempts to merge two sorted linked lists. ListNode is the custom structure representing a node in the linked list. ListNode* Merge(ListNode* pHead1, ListNode* pHead2) { ListNode* pMergedHead = NULL; if (pHead1->m_nValue < pHead2->m_nValue) { pMergedHead = pHead1; ... $\text{II} $ and $\text{III}$ $\text{I} $ and $\text{III}$ $\text{I}$ only
Lakshman Patel RJIT
asked
in
DS
Jan 5, 2019
by
Lakshman Patel RJIT
219
views
uppcl2018
data-structures
linked-list
0
votes
0
answers
27
UPPCL AE 2018:59
Consider the following $\text{C}$ program. #include<stdio.h> #define XOR(a, b) (a) ^ (b) void func (int *a, int *b) { *a = XOR (*b, *a); *b = XOR (*a, *b); *a = XOR (*b, *a); } main() { int a = 10, b = 20; func (&a , &b); printf(“%d %d \n”,a,b); } What will be the output of the program? $20 \; 10$ $20 \; 20$ $10 \; 10$ $10 \; 20$
Lakshman Patel RJIT
asked
in
Programming
Jan 5, 2019
by
Lakshman Patel RJIT
111
views
uppcl2018
programming
programming-in-c
output
0
votes
0
answers
28
UPPCL AE 2018:58
Let $\text{A}$ be a $2 \times 2$ matrix with integer entries. Which of the following could be its eigenvalue? $\sqrt[3]{2}$ $\pi$ $\frac{1}{\sqrt{2}}$ $\sqrt{2}$
Lakshman Patel RJIT
asked
in
Linear Algebra
Jan 5, 2019
by
Lakshman Patel RJIT
146
views
uppcl2018
linear-algebra
eigen-value
0
votes
0
answers
29
UPPCL AE 2018:57
Consider the following $\text{C}$ function executed in an $\text{OS}$ with paging where the page size is $4$ kilobytes. Further, assume that the system employs a $32-$ entry direct mapped $\text{TLB}$ int *alloc_and_init() { int counter, value = 0, size = 2048; int ... of the program, what is the number of $\text{TLB}$ misses during the execution of the for loop? $2048$ $2$ $0$ $1$
Lakshman Patel RJIT
asked
in
Operating System
Jan 5, 2019
by
Lakshman Patel RJIT
119
views
uppcl2018
operating-system
memory-management
page-fault
translation-lookaside-buffer
0
votes
0
answers
30
UPPCL AE 2018:56
The Adjacency matrix of a directed graph $\text{G}$ ... $(h, c, a, e, f, d, i, g, b)$ $(c, a, d, e, f, g, h, i, b)$
Lakshman Patel RJIT
asked
in
Algorithms
Jan 5, 2019
by
Lakshman Patel RJIT
114
views
uppcl2018
algorithms
graph-algorithms
topological-sort
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