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Recent questions tagged doubt
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Projects
Could you suggest any btech project which also help in my gate cs preparation and for building the concepts?
Could you suggest any btech project which also help in my gate cs preparation and for building the concepts?
soumikplus
68
views
soumikplus
asked
Feb 27
Machine Learning
self-doubt
doubt
general-topic-doubt
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–
0
votes
1
answer
2
Made Easy Test Series : Consider an open addressing hashing scheme with m slots and n keys. Assuming uniform hashing, the expected number of empty slots in the hash table for m=7 and n=3 is equal to ____________(Round off to two decimal places)
Below is my approach to solving this question, can anyone please explain if I am doing it the right way?Let X = #free slotssince, m =7 and n = 3So, $4 \leqslant x\leqsla...
tishhaagrawal
313
views
tishhaagrawal
asked
Dec 16, 2023
Programming in C
hashing
uniform-hashing
data-structures
doubt
made-easy-test-series
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–
0
votes
1
answer
3
MadeEasy Test Series: How many tuples will be present in the output of the following SQL query.
My doubt here is, if NOT EXISTS gets an empty set as the input then every tuple of the table in the outer query must satisfy the condition. Am I right? For example, in the above question - The ... the same below) Can anyone please explain whether I am approaching this right, or if I am missing something?
My doubt here is, if NOT EXISTS gets an empty set as the input then every tuple of the table in the outer query must satisfy the condition. Am I right?For example, in the...
tishhaagrawal
343
views
tishhaagrawal
asked
Dec 16, 2023
Databases
databases
sql
query
gate-preparation
rdbms
doubt
made-easy-test-series
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–
0
votes
0
answers
4
Made easy test series question
Any one please let me know if there is any other way to this output?
Any one please let me know if there is any other way to this output?
Sgm
375
views
Sgm
asked
Dec 28, 2022
Programming in C
data-structures
programming
made-easy-test-series
doubt
+
–
0
votes
0
answers
5
Doubt
DOUBT 1: if head = P → link. is performed then what will happen to the nodes containing values a and b? will they get removed as no link is pointing them? and we will left with only three nodes like DOUBT 2: what does head = (*P).link; equals to?
DOUBT 1: if head = P → link.is performed then what will happen to the nodes containing values a and b? will they get removed as no link is pointing them?and we will ...
Pranavpurkar
527
views
Pranavpurkar
asked
Sep 27, 2022
Programming in C
data-structures
linked-list
doubt
+
–
0
votes
2
answers
6
#Self Doubt
When we say that vulnerable time in pure aloha will be 2*frame transmission time.So what this frame transmission time?? My doubt is does frame transmission time= propagation time+transmission time … collision can also happen during propagation time ??
When we say that vulnerable time in pure aloha will be 2*frame transmission time.So what this frame transmission time??My doubt is does frame transmission time= propagati...
lalitver10
939
views
lalitver10
asked
Sep 14, 2022
Computer Networks
computer-networks
pure-aloha
slotted-aloha
doubt
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–
0
votes
1
answer
7
CMI 2021 B2
2. Imagine you are playing a computer game that consists of different types of coins. You have the power to cast two magic spells s1 and s2. Each spell consumes some number of coins of each type and produces some number of coins of each type. Spell s1 ... proper way and by the official method, I was not ale to come to proper answer I have also provide the official solution below.
2. Imagine you are playing a computer game that consists of different types of coins.You have the power to cast two magic spells s1 and s2. Each spell consumes somenumber...
ChayAdhiraj
329
views
ChayAdhiraj
asked
May 20, 2022
Algorithms
general-aptitude
algorithms
doubt
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–
0
votes
1
answer
8
CMI 2021 Computer Science (A2)
Let L be the language over {a, b} that contains the same number of occurrences of a and b. Which of the following languages is regular? (a) L ∩ a∗b∗ (b) (L ∩ a∗b∗) ∪ a∗b∗ (c) L ∪ a∗b∗ (d) (L ∩ a∗b∗) ∪ b∗a My personal ... a*b* is regular and and L is regular. However L1 union/intersection L is not regular Could someone please explain this question in some detail ?
Let L be the language over {a, b} that contains the same number of occurrences of aand b. Which of the following languages is regular?(a) L ∩ a∗b∗(b) (L ∩ a∗b�...
ChayAdhiraj
360
views
ChayAdhiraj
asked
May 19, 2022
Theory of Computation
theory-of-computation
doubt
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–
0
votes
0
answers
9
#login problems
Hello sir!! I got in to a serious problem ..I have forgotetn the login password of Gate overflow..Cant do login from my Laptop or any other device..Currently I am using The app..but I need to login in my laptop..How can I reset my password ?..Pls help me it's necessary and a bit urgent
Hello sir!! I got in to a serious problem ..I have forgotetn the login password of Gate overflow..Cant do login from my Laptop or any other device..Currently I am using T...
Ritabrata Dey
178
views
Ritabrata Dey
asked
May 28, 2019
Others
doubt
+
–
0
votes
1
answer
10
confusion
Bias formula for floating point representation is 2^k-1 bias formula for IEEE floating point representation is 2^(k-1)-1 Is it right????
Bias formula for floating point representation is 2^k-1bias formula for IEEE floating point representation is 2^(k-1)-1 Is it right????
G Phalkey
635
views
G Phalkey
asked
Jan 24, 2019
Digital Logic
digital-logic
floating-point-representation
doubt
+
–
2
votes
1
answer
11
#made easy
Stack A has entries a,b,c,d(with a on top).Stack B is empty. An entry popped out of stack A is pushed into stack B. An entry popped out of stack B can only be printed. The no. of possible permutation for printing the elements are __ ? 24 12 21 14 can anybody give a generalized formula with explanation for this ?
Stack A has entries a,b,c,d(with a on top).Stack B is empty.An entry popped out of stack A is pushed into stack B.An entry popped out of stack B can only be printed.The n...
Satbir
249
views
Satbir
asked
Dec 19, 2018
Programming in C
doubt
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–
0
votes
0
answers
12
Self doubt operating system
What is normalised turn around time for a process ? if we are using any scheduling algorithm
What is normalised turn around time for a process ? if we are using any scheduling algorithm
Prince Sindhiya
208
views
Prince Sindhiya
asked
Dec 16, 2018
Operating System
doubt
operating-system
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–
0
votes
1
answer
13
#CO DOUBT_RC Test series
pls explain!
pls explain!
Gate Fever
518
views
Gate Fever
asked
Nov 28, 2018
CO and Architecture
co-and-architecture
disk
doubt
raman-classes-test-series
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–
0
votes
1
answer
14
Local Coaching
A cache is having 60% hit ratio. Cache access time is 30 ns and main memory access time is 100 ns. What is the average access time for reading? My doubt is whether to assume cache and main memory to be hierarchically connected or directly connected to the processor when nothing is given? If assumed ... , ans = 0.6(30) + 0.4(30+100). If assumed to be direct, ans = 0.6(30) + 0.4(100).
A cache is having 60% hit ratio. Cache access time is 30 ns and main memory access time is 100 ns. What is the average access time for reading?My doubt is whether to assu...
subho16
498
views
subho16
asked
Nov 26, 2018
CO and Architecture
co-and-architecture
cache-memory
doubt
numerical-answers
effective-memory-access
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–
0
votes
0
answers
15
doubt
A machine has a 32-bit architecture, with 1-word long instructions. It has 64 registers, each of which is 32 bits long. It needs to support 45 instructions, which have an immediate operand in addition to two register operands. Assuming that the immediate ... we use signed 2's complement instead of unsigned integer then what will be the maximum and minimum value of the immediate operand ?
A machine has a 32-bit architecture, with 1-word long instructions. It has 64 registers, each of which is 32 bits long. It needs to support 45 instructions, which have an...
night_fury
488
views
night_fury
asked
Nov 25, 2018
CO and Architecture
computer
co-and-architecture
doubt
numerical-answers
+
–
0
votes
0
answers
16
doubt
Can someone provide the exact microoperation involved in all of the phases just coz where we are supposed to search it out everywhere I got is different? so please Guy if someone is having coaching classes please share what u have learned in class it will be really helpful. Thanks! Instruction fetch decode phase Effective address computation operand fetch Execute phase
Can someone provide the exact microoperation involved in all of the phases just coz where we are supposed to search it out everywhere I got is different? so please Guy if...
anonymous
287
views
anonymous
asked
Nov 21, 2018
CO and Architecture
co-and-architecture
doubt
+
–
0
votes
1
answer
17
Ace Test Series: CO & Architecture - Disk
In the solution to this question, it is given that the number of rotations needed is 2.75. How we got 2.75?
In the solution to this question, it is given that the number of rotations needed is 2.75. How we got 2.75?
VJ2793
1.1k
views
VJ2793
asked
Nov 19, 2018
CO and Architecture
ace-test-series
co-and-architecture
disk
doubt
numerical-answers
+
–
0
votes
0
answers
18
Doubt clearing
Incase of operand forwarding in RISC pipeline with stages Instruction fetch (IF) Instruction decode (ID) Execute (EX) Memory Access (MA) Write Back (WB) If it is not mentioned from which stage to which stage the operand is forwarded, should I by default take that it is forwarded from MA stage to ID stage?
Incase of operand forwarding in RISC pipeline with stages Instruction fetch (IF)Instruction decode (ID)Execute (EX)Memory Access (MA)Write Back (WB)If it is not mentioned...
nepobose
181
views
nepobose
asked
Oct 31, 2018
CO and Architecture
co-and-architecture
pipelining
operand-forwarding
doubt
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–
0
votes
0
answers
19
cache memory doubt
#CO Suppose Cache memory with K way set associative mapping,with no. of set -S,no. of line -L,size of each line -O. so what is hardware requirement (i.e.No.of multiplexer ,size of each multiplexer,no.of comparator,and size of each comparator) ?
#COSuppose Cache memory with K way set associative mapping,with no. of set -S,no. of line -L,size of each line -O.so what is hardware requirement (i.e.No.of multiplexer ,...
Tanmay_Jawkhede
207
views
Tanmay_Jawkhede
asked
Oct 20, 2018
CO and Architecture
co-and-architecture
cache-memory
multiplexer
doubt
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–
0
votes
1
answer
20
Multilevel paging
Doubt In multi level paging Is it required that all the pages of the page table should be in main memory like inner page table and outer page table should be in main memory or either by loading only outer page table we can run the process if any inner page table page required it generate a trap(page fault )and that inner page will put into the main memory by os ?
DoubtIn multi level paging Is it required that all the pages of the page table should be in main memory like inner page table and outer page table should be in main memo...
rajinder singh
352
views
rajinder singh
asked
Oct 14, 2018
Operating System
doubt
+
–
1
votes
0
answers
21
Cycle Stealing DMA Doubt
Consider x = CPU time or data preparation time = 1 microsecond and y = data transfer time from DISK to DMA = 21 microseconds. % of memory cycles stolen = 1/(21) * 100 = 4.76% Doubt - For each 21 memory cycle, 1 memory cycle will be taken to ... . CPU can do its own work for 20 memory cycles and 1 memory cycle it will remain idle. What does this CPU cycle stealing means ?
Consider x = CPU time or data preparation time = 1 microsecond and y = data transfer time from DISK to DMA = 21 microseconds.% of memory cycles stolen = 1/(21) * 100 = ...
iarnav
2.1k
views
iarnav
asked
Oct 5, 2018
CO and Architecture
co-and-architecture
cycle-stealing
doubt
+
–
0
votes
0
answers
22
General question
Can anyone plzzz help me how can I post any photo of problem I have from my gallery
Can anyone plzzz help me how can I post any photo of problem I have from my gallery
Priya Singh 6
127
views
Priya Singh 6
asked
Sep 30, 2018
Others
doubt
+
–
0
votes
0
answers
23
#CO pipeline doubt
Consider a 4 stage pipeline processor. The number of cycles needed by the four instructions I1, I2, I3, I4 in stages S1, S2, S3, S4 is shown below: What is the number of cycles needed to execute the following loop? For (i=1 to 2){I1; I2; ... stage, the current instruction(I4) cannot execute a given stage P.S.- Refer here- https://gateoverflow.in/244642/%23co-gate-2009-self-doubt
Consider a 4 stage pipeline processor. The number of cycles needed by the four instructions I1, I2, I3, I4 in stages S1, S2, S3, S4 is shown below: What is the number of...
iarnav
799
views
iarnav
asked
Sep 21, 2018
CO and Architecture
co-and-architecture
pipelining
doubt
+
–
0
votes
0
answers
24
Database System Concepts - Set Operation
UNION, Intersect Operation in both, Relational Algebra and SQL automatically eliminates DUPLICATES. Does UNION, INTERSECT operation also by default SORTs the resultant tuples in SQL (OR) the resultant SET in Relational Algebra? If Yes, Does it also automatically sorts the result of UNION ALL & INTERSECT ALL?
UNION, Intersect Operation in both, Relational Algebra and SQL automatically eliminates DUPLICATES. Does UNION, INTERSECT operation also by default SORTs the resultant tu...
cognoscenti
374
views
cognoscenti
asked
Sep 15, 2018
Databases
databases
doubt
reference-book
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–
0
votes
0
answers
25
Doubt on Data Path
In Single bus Architecture for a simple add operation ,we know there are 8 cycles required, where 1st three for Fetch cycle and Others are for execution cycle Steps Action 1. $PC_{out},MAR_{in},Read, Clear-Y,Set Carry Into ALU,Add,Z_{in}$ 2. ... T? 3) Question is only asking clock cycles for execution cycle. Then why we are considering Fetch and Execution cycles in our answer?
In Single bus Architecture for a simple add operation ,we know there are 8 cycles required, where 1st three for Fetch cycle and Others are for execution cycleStepsAction1...
srestha
517
views
srestha
asked
Sep 13, 2018
CO and Architecture
co-and-architecture
data-path
doubt
+
–
0
votes
2
answers
26
#preemption
If a process comes from block state to ready state then what can be said about preemption ?
If a process comes from block state to ready state then what can be said about preemption ?
Satbir
346
views
Satbir
asked
Jul 22, 2018
Operating System
preemption
doubt
+
–
0
votes
1
answer
27
self doubt
i am currenly studying in BE when it is good time to give the ISRO exam??
i am currenly studying in BE when it is good time to give the ISRO exam??
vijju532
215
views
vijju532
asked
Jun 24, 2018
GATE
doubt
+
–
0
votes
0
answers
28
General Question
How can i learn to solve questions based on impllications , contrapositive, conjuction etc maths proportional logic? I am not able to solve any single question of that topic. How can i learn?
How can i learn to solve questions based on impllications , contrapositive, conjuction etc maths proportional logic? I am not able to solve any single question of that ...
Pranav Madhani
290
views
Pranav Madhani
asked
Dec 24, 2017
Mathematical Logic
gate-preparation
general
question
doubt
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–
0
votes
1
answer
29
General Question
Hello! I have question regarding Gate 18. I have done mostly all subjects except OS and CO. As i am planning to leaving as i want to start doing all gate sample papers and practise questions. If i leave those 2 subjects how much marks i am missing and how much can i get ? 1) Best 2) Average
Hello! I have question regarding Gate 18. I have done mostly all subjects except OS and CO. As i am planning to leaving as i want to start doing all gate sample papers a...
Pranav Madhani
433
views
Pranav Madhani
asked
Dec 11, 2017
Others
gate-preparation
general
doubt
question
+
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