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User Lakshman Patel RJIT
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Recent activity
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3
answers
1
GATE2015224
Assume that for a certain processor, a read request takes $50\:\text{nanoseconds}$ on a cache miss and $5\:\text{nanoseconds}$ on a cache hit. Suppose while running a program, it was observed that $80\%$ of the processor's read requests result in a cache hit. The average read access time in nanoseconds is ______.
edited
10 minutes
ago
in
CO and Architecture

4.2k
views
gate20152
coandarchitecture
cachememory
easy
numericalanswers
1
answer
2
What will be the in the units place of?
Q1) What is the units digit of $\left (39^{11} – 32^{11} \right)$? (a) 1 (b) 5 (c) 7 (d) 8 Q2) What will be in the unit place of $45^8 + 19^{11} – 62^{18}$? (a) 0 (b) 2 (c) 3 (d) 7
commented
12 hours
ago
in
Numerical Ability

302
views
modulararithmetic
5
answers
3
GATE2018GA4
What would be the smallest natural number which when divided either by $20$ or by $42$ or by $76$ leaves a remainder of $7$ in each case? $3047$ $6047$ $7987$ $63847$
comment edited
18 hours
ago
in
Numerical Ability

1.7k
views
gate2018
numericalability
factors
4
answers
4
GATE20162GA09
In a $2 \times 4$ rectangle grid shown below, each cell is rectangle. How many rectangles can be observed in the grid? $\begin{array}{ccccc}\hline{\;\;\;}&{\;\;\;}&{\;\;\;}&{\;\;\;}\\\hline{}&{}&{}&\\\hline\end{array}$ $21$ $27$ $30$ $36$
comment edited
19 hours
ago
in
Numerical Ability

3.7k
views
gate20162
numericalability
normal
permutationandcombination
4
answers
5
GATE2014249
The number of distinct positive integral factors of $2014$ is _____________
commented
23 hours
ago
in
Set Theory & Algebra

3.2k
views
gate20142
settheory&algebra
easy
numericalanswers
numbertheory
4
answers
6
GATE2014 EC4: GA10
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers? $6666660$ $6666600$ $6666666$ $6666606$
answered
23 hours
ago
in
Numerical Ability

1.1k
views
gate2014ec4
numericalability
normal
permutationandcombination
1
answer
7
ISI2018MMA3
The number of trailing zeros in $100!$ is $21$ $23$ $24$ $25$
commented
23 hours
ago
in
Numerical Ability

37
views
isi2018mma
generalaptitude
numericalability
0
answers
8
GateAcademy YouTube: Find The Last Two Digits
Find the last two digits of the given number $21^{99} $ $41^{9999} $ $31^{2019} $ $91^{2018!} $
edited
1 day
ago
in
Numerical Ability

86
views
numericalability
numbersystem
descriptive
3
answers
9
GATE2017 CE1: GA8
The last digit of $(2171)^{7}+(2172)^{9}+(2173)^{11}+(2174)^{13}$ is $2$ $4$ $6$ $8$
commented
1 day
ago
in
Numerical Ability

211
views
gate2017ce1
modulararithmetic
numericalability
numericalcomputation
3
answers
10
GATE201525
The larger of the two eigenvalues of the matrix $\begin{bmatrix} 4 & 5 \\ 2 & 1 \end{bmatrix}$ is _______.
commented
1 day
ago
in
Linear Algebra

1.9k
views
gate20152
linearalgebra
eigenvalue
easy
numericalanswers
3
answers
11
GATE20152GA6
If the list of letters $P$, $R$, $S$, $T$, $U$ is an arithmetic sequence, which of the following are also in arithmetic sequence? $2P, 2R, 2S, 2T, 2U$ $P3, R3, S3, T3, U3$ $P^2, R^2, S^2, T^2, U^2$ I only I and II II and III I and III
answered
1 day
ago
in
Numerical Ability

1.2k
views
gate20152
numericalability
normal
arithmeticseries
1
answer
12
TIFR2011A17
What is the value of the following limit? $\lim_{x \to 0} \frac{2^x1}{x}$ $0$ $\log_2(e)$ $\log_e(2)$ $1$ None of the above.
commented
1 day
ago
in
Calculus

434
views
tifr2011
limits
4
answers
13
GATE200315
If the strings of a language $L$ can be effectively enumerated in lexicographic (i.e., alphabetic) order, which of the following statements is true? $L$ is necessarily finite $L$ is regular but not necessarily finite $L$ is context free but not necessarily regular $L$ is recursive but not necessarily contextfree
commented
1 day
ago
in
Theory of Computation

5.4k
views
theoryofcomputation
gate2003
normal
recursiveandrecursivelyenumerablelanguages
1
answer
14
MadeEasy Test Series 2018: General Aptitude  Modular Arithematic
The value of the expression $13^{88} \text{(mod 19)},$ in the range $0$ to $18,$ is ________.
edited
2 days
ago
in
Numerical Ability

173
views
generalaptitude
modulararithmetic
madeeasytestseries
8
answers
15
TIFR2018B1
What is the remainder when $4444^{4444}$ is divided by $9?$ $1$ $2$ $5$ $7$ $8$
answered
2 days
ago
in
Combinatory

559
views
tifr2018
modulararithmetic
permutationandcombination
10
answers
16
GATE201921
The value of $3^{51} \text{ mod } 5$ is _____
answer edited
2 days
ago
in
Combinatory

4.1k
views
gate2019
numericalanswers
permutationandcombination
modulararithmetic
6
answers
17
GATE2016229
The value of the expression $13^{99}\pmod{17}$ in the range $0$ to $16$, is ________.
answer edited
2 days
ago
in
Combinatory

7.1k
views
gate20162
modulararithmetic
normal
numericalanswers
1
answer
18
ISRO202063
What is the output of in a $32$ bit machine with $32$ bit compiler? #include<stdio.h> rer(int **ptr2, int **ptr1) { int *ii; ii=*ptr2; *ptr2=*ptr1; *ptr1=ii; **ptr1*=**ptr2; **ptr2+=**ptr1; } void main(){ int var1=5, var2=10; int *ptr1=&var1,*ptr2=&var2; rer(&ptr1,&ptr2); printf("%d%d",var2,var1); } $60,70$ $50,50$ $50,60$ $60,50$
edited
3 days
ago
in
Programming

264
views
isro2020
programming
programminginc
normal
2
answers
19
ISRO202062
What is output of the following C code assuming it runs on a byte addressed little endian machine? #include<stdio.h> int main(){ int x; char *ptr; x=622,100,101; printf("%d",(*(char *)& x)*(x%3)); return 0; } $622$ $311$ $22$ $110$
edited
3 days
ago
in
Programming

188
views
isro2020
programming
programminginc
normal
1
answer
20
ISRO202027
Which of the following algorithms defines time quantum? shortest job scheduling algorithm round robin scheduling algorithm priority scheduling algorithm multilevel queue scheduling algorithm
edited
3 days
ago
in
Operating System

74
views
isro2020
operatingsystem
cpuscheduling
easy
1
answer
21
ISRO202028
Dispatch latency is defined as the speed of dispatching a process from running to the ready state the time of dispatching a process from running to ready state and keeping the CPU idle the time to stop one process and start running another one none of these
edited
3 days
ago
in
Operating System

88
views
isro2020
operatingsystem
processsynchronization
easy
2
answers
22
ISRO202029
An aid to determine the deadlock occurrence is resource allocation graph starvation graph inversion graph none of the above
edited
3 days
ago
in
Operating System

111
views
isro2020
operatingsystem
deadlock
easy
1
answer
23
ISRO202031
Three CPUbound tasks, with execution times of $15,12$ and $5$ time units, respectively arrive at times $0,t$ and $8$ respectively. If the operating system implements a shortest remaining time first scheduling algorithm, what should be the value of $t$ to have $4$ context switches? Ignore the context switches at time $0$ and at the end. $0<t<3$ $t=0$ $t<=3$ $3<t<8$
edited
3 days
ago
in
Operating System

129
views
isro2020
operatingsystem
cpuscheduling
normal
1
answer
24
ISRO202030
Consider the following page reference string. $1\ 2\ 3\ 4\ 2\ 1\ 5\ 6\ 2\ 1\ 2\ 3\ 7\ 6\ 3\ 2\ 1\ 2\ 3\ 6\ $ What are the minimum number of frames required to get a single page fault for the above sequence assuming LRU replacement strategy? $7$ $4$ $6$ $5$
edited
3 days
ago
in
Operating System

163
views
isro2020
operatingsystem
memorymanagement
pagereplacement
pagefault
normal
1
answer
25
ISRO202064
Regression testing is primarily related to Functional testing Development testing Data flow testing Maintenance testing
edited
3 days
ago
in
IS&Software Engineering

77
views
isro2020
is&softwareengineering
normal
2
answers
26
ISRO202065
Of the following sort algorithms, which has execution time that is least dependant on initial ordering of the input? Insertion sort Quick sort Merge sort Selection sort
edited
3 days
ago
in
Algorithms

92
views
isro2020
algorithms
sorting
normal
2
answers
27
ISRO202067
What is the availability of the software with the following reliability figures Mean time between failures (MTBF) is $20$ days Mean Time To Repair (MTTR) is $20$ hours $90\%$ $96\%$ $24\%$ $50\%$
edited
3 days
ago
in
IS&Software Engineering

76
views
isro2020
is&softwareengineering
normal
1
answer
28
ISRO202068
What is the defect rate for Six sigma? $1.0$ defect per million lines of code $1.4$ defect per million lines of code $3.0$ defect per million lines of code $3.4$ defect per million lines of code
edited
3 days
ago
in
IS&Software Engineering

60
views
isro2020
is&softwareengineering
normal
1
answer
29
ISRO202023
The postorder traversal of binary tree is $ACEDBHIGF$. The preorder traversal is $ABCDEFGHI$ $FBADCEGIH$ $FABCDEGHI$ $ACDEFGIH$
edited
3 days
ago
in
DS

114
views
isro2020
datastructures
binarytree
normal
1
answer
30
ISRO202024
In linear hashing, if blocking factor $bfr$, loading factor $i$ and file buckets $N$ are known, the number of records will be $cr= i+bfr+N$ $r=ibfrN$ $r=i+bfrN$ $r=i*bfr*N$
edited
3 days
ago
in
DS

81
views
isro2020
datastructures
hashing
normal
3
answers
31
ISRO202025
What is compaction refers to a technique for overcoming internal fragmentation a paging technique a technique for overcoming external fragmentation a technique for compressing the data
edited
3 days
ago
in
Operating System

102
views
isro2020
operatingsystem
memorymanagement
easy
1
answer
32
ISRO202026
The operating system and the other processes are protected from being modified by an already running process because they run at different time instants and not in parallel they are in different logical addresses they use a protection algorithm in scheduler every address generated by the CPU is being checked against the relocation and limit register
edited
3 days
ago
in
Operating System

136
views
isro2020
operatingsystem
processsynchronization
easy
1
answer
33
ISRO20207
Consider a $5$ segment pipeline with a clock cycle time $20$ns in each sub operation. Find out the approximate speedup ratio between pipelined and nonpipelined system to execute $100$ instructions. (if an average, every five cycles, a bubble due to data hazard has to be introduced in the pipeline) $5$ $4.03$ $4.81$ $4.17$
edited
3 days
ago
in
CO and Architecture

132
views
isro2020
coandarchitecture
pipelining
normal
2
answers
34
ISRO20208
Consider a $32$ bit processor which supports $70$ instructions. Each instruction is $32$ bit long and has $4$ fields namely opcode, two register identifiers and an immediate operand of unsigned integer type. Maximum value of the immediate operand that can be supported by the processor is $8191$. How many registers does the processor has? $32$ $64$ $128$ $16$
edited
3 days
ago
in
CO and Architecture

96
views
isro2020
coandarchitecture
addressingmodes
normal
1
answer
35
ISRO20209
In a $8$bit ripple carry adder using identical full adders, each full adder takes $34$ns for computing sum. If the time taken for $8$bit addition is $90$ ns, find time taken by each full adder to find carry. $6$ ns $7$ ns $10$ ns $8$ ns
edited
3 days
ago
in
Digital Logic

111
views
isro2020
digitallogic
combinationalcircuits
normal
2
answers
36
ISRO202075
A grammar is defined as $A \rightarrow BC$ $B \rightarrow x \mid Bx$ $C \rightarrow B \mid D$ $D \rightarrow y \mid Ey$ $E \rightarrow z$ The non terminal alphabet of the grammar is $\{A,B,C,D,E\}$ $\{B,C,D,E\}$ $\{A,B,C,D,E,x,y,z\}$ $\{x,y,z\}$
retagged
3 days
ago
in
Compiler Design

110
views
isro2020
compilerdesign
grammar
easy
1
answer
37
ISRO202010
Following Multiplexer circuit is equivalent to Sum equation of full adder Carry equation of full adder Borrow equation for full subtractor Difference equation of a full subtractor
retagged
3 days
ago
in
Digital Logic

122
views
isro2020
digitallogic
combinationalcircuits
normal
1
answer
38
ISRO202080
A new flipflop with inputs $X$ and $Y$ ... $(X\wedge \overline{Q })\vee (Y \wedge Q)$ $(X\wedge \overline{Q })\vee (\overline{Y } \wedge Q)$
edited
3 days
ago
in
Digital Logic

112
views
isro2020
digitallogic
sequentialcircuit
flipflop
normal
2
answers
39
ISRO202077
Consider the following circuit The function by the network above is $\overline{AB}E+EF+\overline{CD}F$ $(\overline{E}+AB\overline{F})(C+D+\overline{F})$ $(\overline{AB}+E)(\bar{E}+\bar{F})(C+D+\overline{F})$ $(A+B)\overline{E} +\overline{EF}+CD\overline{F}$
edited
3 days
ago
in
Digital Logic

133
views
isro2020
digitallogic
combinationalcircuits
normal
1
answer
40
ISRO202076
If $A=\{x,y,z\}$ and $B=\{u,v,w,x\}, $ and the universe is $\{s,t,u,v,w,x,y,z\}$ Then $(A \cup B’) \cap (A \cap B)$ is equal to $\{u,v,w,x\}$ $\{ \ \}$ $\{u,v,w,x,y,z\}$ $\{u,v,w\}$
edited
3 days
ago
in
Set Theory & Algebra

117
views
isro2020
discretemathematics
settheory&algebra
sets
easy
50,737
questions
57,275
answers
198,154
comments
104,823
users