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Questions by gatecse
1
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1
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141
NIELIT Scientific Assistant A 2020 November: 48
What is meant by the following relational algebra statement: $\text{STUDENT} \times \text{COURSE}$? Compute the natural join between the $\text{STUDENT}$ and $\text{COURSE}$ ... and $\text{COURSE}$ relations Compute the outer join between the $\text{STUDENT}$ and $\text{COURSE}$ relations
asked
in
Databases
Dec 9, 2020
441
views
nielit-sta-2020
databases
relational-algebra
1
vote
1
answer
142
NIELIT Scientific Assistant A 2020 November: 49
During exception handling, which of the following statements hold true? Single try can have multiple associated catch with it A single Catch can have multiple try associated with it Finally block execute only when the class is inherited For a given exception, multiple catch can execute
asked
in
Object Oriented Programming
Dec 9, 2020
691
views
nielit-sta-2020
object-oriented-programming
1
vote
1
answer
143
NIELIT Scientific Assistant A 2020 November: 50
Some code optimizations are carried out on the intermediate code because: they enhance the portability of the compiler to other target processors program analysis is more accurate on intermediate code than on machine code the ... cannot otherwise be used for optimization the information from the front end cannot otherwise be used for optimization
asked
in
Compiler Design
Dec 9, 2020
591
views
nielit-sta-2020
compiler-design
code-optimization
normal
1
vote
0
answers
144
NIELIT Scientific Assistant A 2020 November: 51
Given $r_{12}=0.6, r_{13}=0.5$ and $r_{23}=0.8,$ the value of $r_{12.3}$ is : $0.47$ $0.40$ $0.74$ $0.64$
asked
in
Combinatory
Dec 9, 2020
392
views
nielit-sta-2020
combinatory
recurrence-relation
1
vote
3
answers
145
NIELIT Scientific Assistant A 2020 November: 52
In case of the dynamic programming approach the value of an optimal solution is computed in : Top down fashion Bottom up fashion Left to Right fashion Right to Left fashion
asked
in
Compiler Design
Dec 9, 2020
661
views
nielit-sta-2020
compiler-design
dynamic-programming
1
vote
1
answer
146
NIELIT Scientific Assistant A 2020 November: 53
Which of the following is not true for tree and graph? A tree is a graph A graph is a tree Tree can have a cycle Tree is a $\text{DAG}$
asked
in
Compiler Design
Dec 9, 2020
441
views
nielit-sta-2020
compiler-design
code-optimization
directed-acyclic-graph
1
vote
1
answer
147
NIELIT Scientific Assistant A 2020 November: 54
How many $\text{AND, OR}$ and $\text{XOR}$ gates are required for implementation of full adder? $1,2,2$ $2,2,1$ $3,2,2$ $3,0,1$
asked
in
Digital Logic
Dec 9, 2020
487
views
nielit-sta-2020
digital-logic
combinational-circuit
1
vote
1
answer
148
NIELIT Scientific Assistant A 2020 November: 55
A $26-$bit address bus has maximum accessible memory capacity of ________ $\text{64 MB}$ $\text{16 MB}$ $\text{1 GB}$ $\text{4 GB}$
asked
in
CO and Architecture
Dec 9, 2020
581
views
nielit-sta-2020
co-and-architecture
memory-interfacing
1
vote
1
answer
149
NIELIT Scientific Assistant A 2020 November: 56
$\text{SRD}$ stands for __________. Software Requirements Definition Structured Requirements Definition Software Requirements Diagram Structured Requirements Diagram
asked
in
IS&Software Engineering
Dec 9, 2020
440
views
nielit-sta-2020
is&software-engineering
1
vote
2
answers
150
NIELIT Scientific Assistant A 2020 November: 57
Which of the following problem is not $\text{NP}$ complete but undecidable? Partition Problem Halting Problem Hamiltonian Circuit Bin Packing
asked
in
Theory of Computation
Dec 9, 2020
465
views
nielit-sta-2020
theory-of-computation
p-np-npc-nph
1
vote
1
answer
151
NIELIT Scientific Assistant A 2020 November: 58
A stack can be implemented using queue, but then we need to use atleast : $3$ queues $2$ queues only one queue is sufficient none of the options
asked
in
DS
Dec 9, 2020
438
views
nielit-sta-2020
data-structures
queue
1
vote
1
answer
152
NIELIT Scientific Assistant A 2020 November: 59
Adding the style attributes in $\text{HTML}$ elements, is known to be ___________. Internal Inline Outline External
asked
in
Web Technologies
Dec 9, 2020
519
views
nielit-sta-2020
web-technologies
1
vote
1
answer
153
NIELIT Scientific Assistant A 2020 November: 60
Term in the $\text{MVC}$ architecture that receives events is called _________. Receiver Controller Transmitter Modulator
asked
in
Digital Signal Processing
Dec 9, 2020
370
views
nielit-sta-2020
digital-signal-processing
1
vote
1
answer
154
NIELIT Scientific Assistant A 2020 November: 61
Find the mode of the following data: ... $20.22$ $19.47$ $21.12$ $20.14$
asked
in
Quantitative Aptitude
Dec 9, 2020
533
views
nielit-sta-2020
quantitative-aptitude
statistics
1
vote
1
answer
155
NIELIT Scientific Assistant A 2020 November: 62
A digital signature is required: for non-repudiation of communication by a sender for all e-mail sending for all $\text{DHCP}$ server for $\text{FTP}$ transactions
asked
in
Computer Networks
Dec 9, 2020
466
views
nielit-sta-2020
computer-networks
digital-signature
1
vote
1
answer
156
NIELIT Scientific Assistant A 2020 November: 63
What is the product of following matrix using Strassen's matrix multiplication algorithm? $ A=\begin {bmatrix} 1&3\\ 5 &7 \end{bmatrix} \;\;\;\;\;\; B=\begin {bmatrix} 8&4\\ 6 &2 \end{bmatrix} $ $C_{11}=80; C_{12}=07;C_{21}=15;C_{22}=34$ ... $C_{11}=15; C_{12}=07;C_{21}=80;C_{22}=34$ $C_{11}=26; C_{12}=10;C_{21}=82;C_{22}=34$
asked
in
Algorithms
Dec 9, 2020
543
views
nielit-sta-2020
algorithms
divide-and-conquer
1
vote
1
answer
157
NIELIT Scientific Assistant A 2020 November: 64
Which of the following is a correct time complexity to solve the $0/1$ knapsack problem where $n$ and $w$ represents the number of items and capacity of knapsack respectively? $O(n)$ $O(w)$ $O(nw)$ $O(n+w)$
asked
in
Algorithms
Dec 9, 2020
664
views
nielit-sta-2020
algorithms
dynamic-programming
easy
knapsack-problem
time-complexity
1
vote
1
answer
158
NIELIT Scientific Assistant A 2020 November: 65
Finding the location of the element with a given value is : Traversal Search Sort None of the options
asked
in
Algorithms
Dec 9, 2020
401
views
nielit-sta-2020
algorithms
searching
1
vote
1
answer
159
NIELIT Scientific Assistant A 2020 November: 66
Peephole optimization is a : Loop optimization Local optimization Constant folding Data flow analysis
asked
in
Compiler Design
Dec 9, 2020
446
views
nielit-sta-2020
compiler-design
code-optimization
1
vote
1
answer
160
NIELIT Scientific Assistant A 2020 November: 67
Which one of the following statements is $\text{FALSE}$? Context-free grammar can be used to specify both lexical and syntax rules. Type checking is done before parsing High level language programs can be translated to different Intermediate Representations Arguments to a function can be passed using the program stack
asked
in
Compiler Design
Dec 9, 2020
412
views
nielit-sta-2020
compiler-design
easy
compilation-phase
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