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Recent activity by Devwritt
1
answer
1
NIELIT Scientist B 2020 November: 80
Consider a Simple Checkpointing Protocol and the following set of operations in the log. $(start, T_4);(write, T_4,y,2,3);(start,T_1);$ $(commit,T_4);(write,T_1,z,5,7);$ $(Checkpoint);$ $(start,T_2);(write,T_2,x,1,9);$ ... $Undo : T_3,T_1;Redo\;T_2,T_4$ $Undo : none; \;Redo\;T_2, T_4, T_3, T_1$ $Undo : T_3,T_1,T_4; \;Redo\;T_2$
Consider a Simple Checkpointing Protocol and the following set of operations in the log.$(start, T_4);(write, T_4,y,2,3);(start,T_1);$$(commit,T_4);(write,T_1,z,5,7);$$(C...
362
views
answer edited
Dec 9, 2023
Unknown Category
nielit-scb-2020
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1
answer
2
NIELIT Scientific Assistant A 2020 November: 94
Shift reduce parsing can also be called as: Reverse of the Right Most Derivation Right Most Derivation Left Most Derivation None of the options
Shift reduce parsing can also be called as:Reverse of the Right Most DerivationRight Most DerivationLeft Most DerivationNone of the options
421
views
answer edited
Dec 9, 2023
Compiler Design
nielit-sta-2020
compiler-design
parsing
lr-parser
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1
answer
3
NIELIT Scientific Assistant A 2020 November: 2
Study the following information carefully and answer the question: Group of girls' gossip with each other. All are sitting surrounding a round table. The name of the girls are Shiksha, radha, Chinu, snigdha and Rani. It is not ... Snigdha change their places then who will be second to the left of Rani? Radha Snigdha Shiksha None of the options
Study the following information carefully and answer the question:Group of girls’ gossip with each other. All are sitting surrounding a round table. The name of the gir...
354
views
answer edited
Dec 9, 2023
Analytical Aptitude
nielit-sta-2020
analytical-aptitude
round-table-arrangement
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2
answers
4
NIELIT Scientific Assistant A 2020 November: 4
Pointing towards a picture, Ramesh said, “That picture is of sister of grandson of father of my maternal uncle.” How is that lady in the picture related to Ramesh? Mother’s sister Cousin (maternal brother) Cousin (maternal sister) Father’s sister
Pointing towards a picture, Ramesh said, “That picture is of sister of grandson of father of my maternal uncle.” How is that lady in the picture related to Ramesh?Mot...
352
views
answered
Dec 9, 2023
Analytical Aptitude
nielit-sta-2020
analytical-aptitude
blood-relation
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2
answers
5
NIELIT 2021 Dec Scientist B - Section B: 51
The ___________ of a relationship is $0$ if there is no explicit need for the relationship to occur or the relationship is optional. modality cardinality entity structured analysis
The ___________ of a relationship is $0$ if there is no explicit need for the relationship to occur or the relationship is optional. modalitycardinalityentitystructured a...
490
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answered
Dec 7, 2023
Others
nielit2021dec-scientistb
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2
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6
NIELIT 2022 April Scientist B | Section B | Question: 76
What is printed by the print statements in the program $\text{P1}$ assuming call by reference parameter passing ? Program P1() { x = 10; y = 3; func1(y, x, x); print x; print y; } func1(x, y, z) { y = y+4; z = x+ y+ z; } $10, 3$ $31, 3$ $27, 7$ $33, 5$
What is printed by the print statements in the program $\text{P1}$ assuming call by reference parameter passing ?Program P1() { x = 10; y = 3; func1(y, x, x); print x; pr...
562
views
answered
Apr 10, 2023
Others
nielit2022apr-scientistb
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1
answer
7
NIELIT 2022 April Scientist B | Section B | Question: 73
Given $\sqrt{(224)_{r}} = (13)_{r}.$ The value of the radix $r$ is: $10$ $8$ $5$ $6$
Given $\sqrt{(224)_{r}} = (13)_{r}.$ The value of the radix $r$ is:$10$$8$$5$$6$
611
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recategorized
Apr 10, 2023
Digital Logic
nielit2022apr-scientistb
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1
answer
8
Barc cse 2023 online exam
Which of the following are true a. A relational table can have atmost one foreign key b. The main purpose of foreign key is to optimize the queries by query optimizer.
Which of the following are truea. A relational table can have atmost one foreign keyb. The main purpose of foreign key is to optimize the queries by query optimizer.
285
views
answered
Apr 10, 2023
Databases
databases
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1
answer
9
NIELIT 2022 April Scientist B | Section B | Question: 69
Consider the following Syntax Directed Translation Scheme $\text{(SDTS)}$, with non-terminals $\{ \text{S,A} \}$ and terminals $\{ \text{a,b} \}$. $\text{S} \rightarrow \text{aA} \quad \{\text{print }1\}$ ... the input $\text{aab}$ is: $1 \; 3 \; 2 $ $2 \; 2 \; 3 $ $2 \; 3 \; 1 $ Syntax Error
Consider the following Syntax Directed Translation Scheme $\text{(SDTS)}$, with non-terminals $\{ \text{S,A} \}$ and terminals $\{ \text{a,b} \}$.$\text{S} \rightarrow \t...
613
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answered
Apr 10, 2023
Others
nielit2022apr-scientistb
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1
answer
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NIELIT 2022 April Scientist B | Section B | Question: 59
Let $\text{T}$ be a binary search tree with $15$ nodes. The minimum and maximum possible heights of $\text{T}$ are: The height of a tree with a single node is $0$. $4$ and $15$ respectively $3$ and $14$ respectively $4$ and $14$ respectively $3$ and $15$ respectively
Let $\text{T}$ be a binary search tree with $15$ nodes. The minimum and maximum possible heights of $\text{T}$ are:The height of a tree with a single node is $0$.$4$ and ...
591
views
answered
Apr 10, 2023
Others
nielit2022apr-scientistb
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6
answers
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Simplified Boolean expression for A'BC+AB'C'+A'B'C'+AB'C+ABC
Simplified Boolean expression for A'BC+AB'C'+A'B'C'+AB'C+ABC A . AB B . B'C C . AB+(A'+AB')C D . AB'+BC+B'C'
Simplified Boolean expression for A'BC+AB'C'+A'B'C'+AB'C+ABCA . ABB . B'CC . AB+(A'+AB')CD . AB'+BC+B'C'
101k
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commented
Apr 10, 2023
Digital Logic
digital-logic
boolean-algebra
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4
answers
12
GATE IT 2007 | Question: 58
A demand paging system takes $100$ time units to service a page fault and $300$ time units to replace a dirty page. Memory access time is $1$ time unit. The probability of a page fault is $p$ ... that the average access time is $3$ time units. Then the value of $p$ is $0.194$ $0.233$ $0.514$ $0.981$
A demand paging system takes $100$ time units to service a page fault and $300$ time units to replace a dirty page. Memory access time is $1$ time unit. The probability o...
22.8k
views
edited
Jan 27, 2021
Operating System
gateit-2007
operating-system
page-replacement
probability
normal
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2
answers
13
MadeEasy Test Series: Digital Logic - Carry Generator
The number of AND gates are present inside a 5-bit carry look ahead generator circuit are ______.
The number of AND gates are present inside a 5-bit carry look ahead generator circuit are ______.
1.2k
views
answer edited
Jan 12, 2021
Digital Logic
digital-logic
carry-generator
made-easy-test-series
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8
answers
14
GATE CSE 2009 | Question: 24
The binary operation $\Box$ ... following is equivalent to $P \vee Q$? $\neg Q \Box \neg P$ $P\Box \neg Q$ $\neg P\Box Q$ $\neg P\Box \neg Q$
The binary operation $\Box$ is defined as follows$$\begin{array}{|c|c|c|} \hline \textbf{P} & \textbf{Q} & \textbf{P} \Box \textbf{Q}\\\hline \text{T} & \text{T}& \text{T...
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answer edited
Dec 28, 2020
Mathematical Logic
gatecse-2009
mathematical-logic
easy
propositional-logic
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6
answers
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GATE CSE 2003 | Question: 72
The following resolution rule is used in logic programming. Derive clause $(P \vee Q)$ from clauses $(P\vee R),(Q \vee ¬R)$ Which of the following statements related to this rule is FALSE? $((P ∨ R)∧(Q ∨ ¬R))⇒(P ∨ Q)$ ... if $(P ∨ R)∧(Q ∨ ¬R)$ is satisfiable $(P ∨ Q)⇒ \text{FALSE}$ if and only if both $P$ and $Q$ are unsatisfiable
The following resolution rule is used in logic programming.Derive clause $(P \vee Q)$ from clauses $(P\vee R),(Q \vee ¬R)$Which of the following statements related to th...
14.2k
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commented
Dec 26, 2020
Mathematical Logic
gatecse-2003
mathematical-logic
normal
propositional-logic
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1
answer
16
NIELIT Scientist B 2020 November: 56
Which element is used to define discrete unit of content such as a blogpost, comment and so on? section class article none of the options
Which element is used to define discrete unit of content such as a blogpost, comment and so on?sectionclassarticlenone of the options
460
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answered
Dec 25, 2020
Unknown Category
nielit-scb-2020
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10
answers
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GATE CSE 2010 | Question: 39
Let $L=\{ w \in \:(0+1)^* \mid w\text{ has even number of }1s \}$. i.e., $L$ is the set of all the bit strings with even numbers of $1$s. Which one of the regular expressions below represents $L$? $(0^*10^*1)^*$ $0^*(10^*10^*)^*$ $0^*(10^*1)^*0^*$ $0^*1(10^*1)^*10^*$
Let $L=\{ w \in \:(0+1)^* \mid w\text{ has even number of }1s \}$. i.e., $L$ is the set of all the bit strings with even numbers of $1$s. Which one of the regular express...
22.4k
views
commented
Dec 7, 2020
Theory of Computation
gatecse-2010
theory-of-computation
regular-expression
normal
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2
answers
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NIELIT 2017 July Scientist B (IT) - Section B: 29
HTML(Hypertext Markup language) has language elements which permit certain actions other than describing the structure of the web document. Which of the following actions is NOT supported by pure HTML(without any server or client side ... interval. Automatically redirect to another page upon download. Display the client time as part of the page.
HTML(Hypertext Markup language) has language elements which permit certain actions other than describing the structure of the web document. Which of the following actions...
1.2k
views
answered
Nov 18, 2020
Web Technologies
nielit2017july-scientistb-it
non-gate
web-technologies
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1
answer
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NIELIT 2017 July Scientist B (CS) - Section B: 50
Match the problem domains in $\text{GROUP I}$ with the solution technologies in $\text{GROUP II}$ ... $P-3,Q-4,R-2,S-1$ $P-3,Q-1,R-4,S-2$ $P-4,Q-3,R-2,S-1$
Match the problem domains in $\text{GROUP I}$ with the solution technologies in $\text{GROUP II}$$$\begin{array}{llll} & \textbf{GROUP I}& {}& \textbf{GROUP II}\\ \text{(...
953
views
answered
Nov 18, 2020
Web Technologies
nielit2017july-scientistb-cs
non-gate
web-technologies
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2
answers
20
NIELIT 2016 DEC Scientist B (IT) - Section B: 29
RAD software process model stands for: Rapid Application Development. Rapid Application Design. Relative Application Development. Recent Application Development.
RAD software process model stands for:Rapid Application Development.Rapid Application Design.Relative Application Development.Recent Application Development.
762
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answered
Nov 18, 2020
IS&Software Engineering
nielit2016dec-scientistb-it
non-gate
is&software-engineering
software-design
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1
answer
21
NIELIT 2017 July Scientist B (CS) - Section B: 44
The Cyclomatic complexity of each of the modules $A$ and $B$ shown below is $10$. What is the Cyclomatic complexity of the sequential integration shown on the right hand side? $19$ $21$ $20$ $10$
The Cyclomatic complexity of each of the modules $A$ and $B$ shown below is $10$. What is the Cyclomatic complexity of the sequential integration shown on the right hand ...
781
views
answer edited
Nov 18, 2020
IS&Software Engineering
nielit2017july-scientistb-cs
non-gate
is&software-engineering
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2
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22
NIELIT 2017 DEC Scientist B - Section B: 29
Which of the following is not deliverable of the structured system analysis? Data flow diagram Prototype model Entity Relationship diagram Data dictionary
Which of the following is not deliverable of the structured system analysis?Data flow diagramPrototype modelEntity Relationship diagramData dictionary
2.1k
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answered
Nov 18, 2020
IS&Software Engineering
nielit2017dec-scientistb
non-gate
is&software-engineering
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2
answers
23
NIELIT 2017 DEC Scientific Assistant A - Section B: 25
What is the value of acknowledgement field in a segment Number of previous bytes to receive Total number of bytes to receive Number of next bytes to receive Sequence of zero's and one's
What is the value of acknowledgement field in a segmentNumber of previous bytes to receiveTotal number of bytes to receiveNumber of next bytes to receiveSequence of zero'...
1.5k
views
commented
Nov 18, 2020
Computer Networks
nielit2017dec-assistanta
computer-networks
segmentation
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4
answers
24
NIELIT 2017 DEC Scientist B - Section B: 36
If the number of networks and number of hosts in class $B$ are $2^m, (2^n-2)$ respectively. Then the relation between $m,n$ is $3m=2n$ $7m=8n$ $8m=7n$ $2m=3n$
If the number of networks and number of hosts in class $B$ are $2^m, (2^n-2)$ respectively. Then the relation between $m,n$ is$3m=2n$$7m=8n$$8m=7n$$2m=3n$
2.3k
views
answered
Nov 18, 2020
Computer Networks
nielit2017dec-scientistb
computer-networks
network-addressing
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3
answers
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NIELIT 2016 DEC Scientist B (IT) - Section B: 49
Application layer protocol defines: types of messages exchanged rules for when and how processes send and respond to messages message format, syntax and semantics all of the above
Application layer protocol defines:types of messages exchangedrules for when and how processes send and respond to messagesmessage format, syntax and semanticsall of the ...
1.6k
views
answered
Nov 18, 2020
Computer Networks
nielit2016dec-scientistb-it
computer-networks
application-layer
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2
answers
26
NIELIT 2017 July Scientist B (CS) - Section B: 26
The process of converting the analog sample into discrete form is called Modulation Multiplexing Quantization Sampling
The process of converting the analog sample into discrete form is calledModulationMultiplexingQuantizationSampling
10.1k
views
answered
Nov 18, 2020
Computer Networks
nielit2017july-scientistb-cs
computer-networks
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4
answers
27
GATE IT 2005 | Question: 7
Which of the following expressions is equivalent to $(A \oplus B) \oplus C$ $(A + B + C) (\bar A +\bar B +\bar C)$ $(A + B + C) (\bar A +\bar B + C)$ $ABC + \bar A (B \oplus C) + \bar B(A \oplus C)$ None of these
Which of the following expressions is equivalent to $(A \oplus B) \oplus C$$(A + B + C) (\bar A +\bar B +\bar C)$$(A + B + C) (\bar A +\bar B + C)$$ABC + \bar A (B \oplus...
10.3k
views
answered
Jul 1, 2020
Digital Logic
gateit-2005
digital-logic
normal
boolean-algebra
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2
answers
28
Tree question
In delete operation of BST, we need inorder successor (or predecessor) of a node when the node to be deleted has both left and right child as non-empty. Which of the following is true about inorder successor needed in delete operation? Inorder Successor ... Inorder successor may be an ancestor of the node Inorder successor is always either a leaf node or a node with empty right child
In delete operation of BST, we need inorder successor (or predecessor) of a node when the node to be deleted has both left and right child as non-empty. Which of the foll...
14.5k
views
commented
Jun 21, 2020
DS
data-structures
tree
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–
3
answers
29
Max Heap
The number of ways in which the numbers 1, 2, 3, 4, 5 can be inserted into binary heap. Such that resulted binary heap is max heap ________.
The number of ways in which the numbers 1, 2, 3, 4, 5 can be inserted into binary heap. Such that resulted binary heap is max heap ________.
3.2k
views
answered
Jun 17, 2020
DS
binary-heap
data-structures
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3
answers
30
Merge Sort
Consider the following statement: S1: Merge sort on linked list take O(n log n) time to sort input of length n. S2: Merge sort on linked list give better space complexity then on array. S3: Inplace merge sort on array will take O(n2) time. Which of the following is correct? a)S1 b)S1 and S2 c)S1,S2,S3 d) None
Consider the following statement:S1: Merge sort on linked list take O(n log n) time to sort input of length n.S2: Merge sort on linked list give better space complexity t...
3.8k
views
answered
Jun 16, 2020
DS
merge-sort
time-complexity
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