Answers by Ram Swaroop - GATE Overflow

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1

GATE2015-1-55
The least number of temporary variables required to create a three-address code in static single assignment form for the expression $q + r / 3 + s - t * 5 + u * v/w$ is__________________.

answered Dec 1 in Compiler Design | 9.1k views

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2

Ace Test Series 2019: DBMS - SQL Output

answered Nov 30 in Databases | 121 views

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3

solution of rosen
can anyone has the soft copy of kenneth h rosen solutions?

answered Nov 11 in Mathematical Logic | 403 views

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4

Discrete Mathematics Thegatebook
how many positive integers between 50 and 100, (a) divisible by 7 (b) divisible by 11 (c) divisible by 7 and 11?

answered Nov 10 in Combinatory | 303 views

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5

UPPCL AE 2018:80

answered Oct 4 in Verbal Ability | 60 views

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6

Q26 ch-5 M_E workbook
suppose that in 1000 memory reference there are 40 misses in the first level cache and 20 misses in the second level cache. Assume miss penalty from the L2 cache to memory is 100 cycles the hit time of the L2 cache is 10 clock cycles.the hit time of ... reference per instruction) x (miss rate) x (miss penalty) right?? so which miss rate and miss penalty should i put here?

answered Aug 25 in CO and Architecture | 2.5k views

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7

computer organization
suppose that in 1000 memory reference there are 40 misses in the first level cache and 20 misses in the second level cache. Assume miss penalty from the L2 cache to memory is 100 cycles the hit time of the L2 cache is 10 clock cycles.the hit time of the L1 cache is 1 clock cycle. what is average memory access time?

answered Aug 25 in CO and Architecture | 67 views

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8

minimum number of registers
Consider the following expression and identify minimum number of registers required to implement the following expression : (a-b)+(e+(c-d))/f Can anyone please give the theory or notes of prerequisites -, how to solve these questions. The solution of the above ... adding R1 to the R2 and result is stored back into R1 since R1=R1+R2. Number of registers used is only 3.

answered Aug 18 in CO and Architecture | 75 views

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9

MadeEasy Test Series 2018: Compiler Design - Runtime Environments
Consider the following statements: S1 : Static allocation can not support recursive function. S2 : Stack allocation can support pointers but can not deallocate storage at run-time. S3 : Heap allocation can support pointers and it can allocate or deallocate ... statements are true? a S1 and S2 b S2 and S3 c S3 and S1 d S1, S2 and S3

answered Aug 18 in Compiler Design | 123 views

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10

MadeEasy Test Series 2018: Compiler Design - Runtime Environments
Match the following with respect to activation record fields: A 1 → A, D; 2 → B, C B 1 → A, C; 2 → B, D C 1 → B, C; 2 → A, D D 1 → B, D; 2 → A, C Doubt:- Control link points to caller activation record.Can some one confirm?

answered Aug 18 in Compiler Design | 156 views

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11

GATE2018-37
A lexical analyzer uses the following patterns to recognize three tokens $T_1$, $T_2$, and $T_3$ over the alphabet $\{a, b, c\}$. $T_1$: $a?(b \mid c)^*a$ $T_2$: $b?(a \mid c)^*b$ $T_3$: $c?(b \mid a)^*c$ Note that ... prefix. If the string bbaacabc is processes by the analyzer, which one of the following is the sequence of tokens it outputs? $T_1T_2T_3$ $T_1T_1T_3$ $T_2T_1T_3$ $T_3T_3$

answered Aug 15 in Compiler Design | 4.8k views

+1 vote

12

MadeEasy Test Series: Compiler Design - Syntax Directed Translation
Question: Options:

answered Jul 29 in Compiler Design | 93 views

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13

compiler design, Syntax directed tree
Select the correct one from the below given options. 1. The parser’s output is abstract syntax tree, which represents the grammatical structure of the parse input. 2. Parse tree is condensed form of Abstract Syntax tree. 3. In abstract syntax tree the operators can appear as leaves while keywords cannot appear as leaves. 4.All of the above are true

answered Jul 29 in Compiler Design | 86 views

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14

Testbook Test Series: Compiler Design - Syntax Directed Translation

answered Jul 29 in Compiler Design | 102 views

+2 votes

15

GATE2019 EC: GA-7
The bar graph in panel (a) shows the proportion of male and female illiterates in $2001$ and $2011.$ The proportions of males and females in $2001$ and $2011$ are given in Panel (b) and (c), respectively. The total population did not change during this period. The percentage increase in the total number of literates from $2001$ to $2011$ is ______. $30.43$ $33.43$ $34.43$ $35.43$

answered Jul 24 in Numerical Ability | 98 views

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16

Galvin Edition 9 Exercise 4 Question 12 (Page No. 192)
Using Amdahl’s Law, calculate the speedup gain of an application that has a 60 percent parallel component for (a) two processing cores and (b) four processing cores.

answered Jul 23 in Operating System | 53 views

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17

UGCNET-Nov2017-ii-50
Which speed up could be achieved according to Amdahl's Law for infinte number of processes if 5% of a program is sequential and the remaining part is ideally parallel? 1. infinite 2. 5 3. 20 4. 50

answered Jul 23 in Others | 1.4k views

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18

Virtual Gate Test Series: Digital Logic - Multiplexer

answered Jul 19 in Digital Logic | 71 views

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19

CLA and RCA delays.
How to analyse the delays of Ripple carry adder and Carry look ahead adder. Please explain with Example.

answered Jul 19 in Digital Logic | 150 views

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20

carry look ahead adder vs ripple carry
$Exclusive-OR$ gate has a propagation delay of $10$ ns and that the $AND$ or $OR$ gates have a propagation delay of $5$ ns.What is the total propagation delay time in the four-bit adder.Assume $FAN-IN =2$ $1)$ ripple adder $2)$ carry look ahead adder

answered Jul 18 in Digital Logic | 97 views

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21

answered Jul 18 in Digital Logic | 135 views

+1 vote

22

GATE2019 EE: GA-6
How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$

answered Jul 17 in Numerical Ability | 134 views

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23

Sum of Data dependencies
$I_1 : MUL \ \ \ \ \ R_1, R_2, R_3$ // $R_1 \leftarrow R_2 \times R_3$ $I_2 : ADD \ \ \ \ \ R_4, R_4, R_1$ $I_3 : MUL \ \ \ \ \ R_1, R_5, R_6$ $I_2 : SUB \ \ \ \ \ R_4, R_4, R_1$ Sum of RAW, WAR and WAW dependencies is _____.

answered Jul 14 in CO and Architecture | 75 views

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24

Madeeasy- Types of Dependencies
Please clarify along with the names.

answered Jul 14 in CO and Architecture | 102 views

+1 vote

25

Dependency VS Hazard
Consider following program is executed on a 5 stage RISC pipeline and stages are IF, ID, EX, MA, WB. IF = Instruction Fetch ID = Instruction Decode and fetch register EX = Execution Stage MA = Memory Access WB = Write back register file Program: ... and Hazards.(There is no Structural Dependency) My Answers -> Dependencies = 6, hazards = 3. Someone verify these answer.

answered Jul 14 in CO and Architecture | 373 views

+1 vote

26

UGCNET-June-2019-II-78
Consider the following grammar: $S \rightarrow XY$ $X \rightarrow YaY \mid a \text{ and } Y \rightarrow bbX$ Which of the following statements is/are true about the above grammar? Strings produced by the grammar can have consecutive three $a$'s. Every string ... Every string produced by the grammar have $b$'s in multiple of $2$. a only b and c only d only c and d only

answered Jul 7 in Theory of Computation | 117 views

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27

UGCNET-June-2019-II-54
Software reuse is the process of analysing software with the objective of recovering its design and specification the process of using existing software artifacts and knowledge to build new software concerned with reimplementing legacy system to make them more ... a representation of a higher level of abstraction and breaking software down into its parts to see how it works

answered Jul 7 in IS&Software Engineering | 91 views

+3 votes

28

UGCNET-June-2019-II-63
Consider the Euler’s phi function given by $\phi(n) = n \underset{p/n}{\Pi } \bigg( 1 – \frac{1}{p} \bigg)$ where $p$ runs over all the primes dividing $n$. What is the value of $\phi(45)$? $3$ $12$ $6$ $24$

answered Jul 6 in Combinatory | 194 views

0 votes

29

UGCNET-June-2019-II-61
Match List-I with List-II: ... (d)-(ii) (a) - (ii); (b)-(i); (c)-(iv); (d)-(iii) (a) - (iii); (b)-(i); (c)-(iv); (d)-(ii)

answered Jul 6 in Algorithms | 177 views

+1 vote

30

UGCNET-June-2019-I-10
Which of the following is a plagiarism checking website? http://go.turtnitin.com http://researchgate.com http://www.editorial.elsevier.com http://grammarly.com

answered Jul 6 in Others | 26 views

+1 vote

31

UGCNET-June-2019-II-98
Which of the following is an example of unsupervised neural network? Back-propagation network Hebb network Associative memory network Self-organizing feature map

answered Jul 6 in Others | 140 views

+1 vote

32

UGCNET-June-2019-II-93
The STRIPS representation is a feature-centric representation an action-centric representation a combination of feature-centric and action-centric representations a hierarchical feature-centric representation

answered Jul 6 in Others | 147 views

0 votes

33

UGCNET-June-2019-I-35
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED ... all the seven years the minimum? $22$- inch Television $24$- inch Television $49$- inch Television $40$- inch Television

answered Jul 6 in Numerical Ability | 26 views

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34

UGCNET-June-2019-I-34
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED Television sets (in ... sale of Television sets of size $49$-inches (in lakhs) over all the seven years? $912$ $896$ $879$ $869$

answered Jul 6 in Numerical Ability | 22 views

0 votes

35

UGCNET-June-2019-I-33
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED Television sets (in lakhs) of ... $2013$ and $2018$ $1,600,000$ $1,500,000$ $15,000,000$ $16,000,000$

answered Jul 6 in Numerical Ability | 29 views

0 votes

36

UGCNET-June-2019-I-31
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED Television sets (in lakhs) of ... $32$-inch LED Television sets in 2017 compared to that in 2013? $36 \%$ $56 \%$ $57 \%$ $64 \%$

answered Jul 6 in Numerical Ability | 49 views

0 votes

37

UGCNET-June-2019-I-32
Consider the following table that shows the number (in lakhs) of different sizes of LED television sets sold by a company over the last seven years from $2012$ to $2018$. Answer the question based on the data contained in the table: Sale of LED Television ... seven years the maximum? $22$ - inch Television $24$ - inch Television $32$ - inch Television $49$ - inch Television

answered Jul 6 in Numerical Ability | 35 views

0 votes

38

UGCNET-June-2019-I-36
Which of the following is a type of malware intentionally inserted into a software system that will setoff a malicious function when specified conditions are met? Worm Trojan Spyware Logic bomb

answered Jul 6 in Others | 14 views

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39

UGCNET-June-2019-I-37
Select the true statement about an Operating System (OS)? An OS controls peripherals, allocates memory and organises data into fields and records An OS provides protection against viruses and controls peripherals An OS controls peripheral, and allocates memory and processor time An OS controls the procesor and peripherals and allows user to connect to the internet

answered Jul 6 in Others | 11 views

0 votes

40

UGCNET-June-2019-I-39
Which of the following statement(s) is/are True in respect of Wireless Technology? P: Bluetooth is a wireless technology which can be used to connect a headset to a mobile phone Q: Bluetooth is a long range wireless technology and is a low cost means of data transfer P only Q only Both P and Q Neither P nor Q

answered Jul 6 in Others | 9 views

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