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Recent questions tagged data-dependency
7
votes
1
answer
1
GO Classes Test Series 2024 | Mock GATE | Test 12 | Question: 49
Consider the following code fragment: Identify all data dependencies (potential data hazards) in the given code snippet within one loop iteration. Let the number of true data dependencies be $\mathrm{X}$ ... output dependencies be $\text{Z}$. What is $\mathrm{X}+2 \mathrm{Y}+3 \mathrm{Z}?$
GO Classes
asked
in
CO and Architecture
Jan 21
by
GO Classes
921
views
goclasses2024-mockgate-12
goclasses
numerical-answers
co-and-architecture
data-hazards
data-dependency
2-marks
0
votes
1
answer
2
Operand Forwarding [ Self Doubt }
I have a Self doubt question on Operand Forwarding . The data forwarded should be done in EX-EX stage or Mem-EX ? Which one to follow and when ? Using EX-EX we require less no. of cycles.
Deepak9000
asked
in
CO and Architecture
Nov 5, 2023
by
Deepak9000
241
views
pipelining
co-and-architecture
operand-forwarding
data-dependency
5
votes
1
answer
3
GO Classes Test Series 2023 | CO and Architecture | Test 2 | Question: 8
Consider the following instruction sequence: ... , then which of the following is true? $\mathrm{B}=4$ $\mathrm{A}=4$ $\mathrm{A}=2$ $\mathrm{C}=2$
GO Classes
asked
in
CO and Architecture
Aug 31, 2022
by
GO Classes
461
views
goclasses2024-coa-2-weekly-quiz
goclasses
co-and-architecture
pipelining
data-dependency
multiple-selects
2-marks
0
votes
1
answer
4
#DBMS #dependency
What is the number of redundent FD’s possible for given set of FD , A->B, B->C,C->D for relation R(ABCD)?? please explain in detail.
Abhishek tarpara
asked
in
Databases
Sep 17, 2021
by
Abhishek tarpara
882
views
databases
data-dependency
dependency-preserving
rdbms
3
votes
2
answers
5
UGC NET CSE | October 2020 | Part 2 | Question: 14
Consider a relational schema $S=(U,V,W,X,Y,Z)$ on which the following functional dependencies hold: $(U \rightarrow V, VW \rightarrow X, Y \rightarrow W, X \rightarrow U)$ Which are the candidate keys among following options? $UY, VY$ $UY, VY, XY$ $UYZ, VYZ, VWZ$ $UYZ, VYZ, XYZ$
go_editor
asked
in
Databases
Nov 20, 2020
by
go_editor
2.2k
views
ugcnetcse-oct2020-paper2
databases
data-dependency
2
votes
2
answers
6
NIELIT 2016 MAR Scientist C - Section C: 4
A functional dependency of the form $x\to y$ is trivial if $y\subseteq x$ $y\subset x$ $x\subseteq y$ $x\subset y\:\text{and}\:y\subset x$
admin
asked
in
Databases
Apr 2, 2020
by
admin
4.9k
views
nielit2016mar-scientistc
databases
data-dependency
1
vote
2
answers
7
NIELIT 2016 MAR Scientist C - Section C: 34
Given the following relation instance: $\begin{array}{ccc} X & Y & Z \\ \hline 1 & 4 & 2 \\ 1 & 5 & 3 \\ 1 & 6 & 3 \\ 3 & 2 & 2 \end{array}$ Which of the following functional dependencies are ... $YZ \rightarrow X \text{ and } X \rightarrow Z$ $XZ \rightarrow Y \text{ and } Y \rightarrow X$
admin
asked
in
Databases
Apr 2, 2020
by
admin
740
views
nielit2016mar-scientistc
databases
data-dependency
1
vote
1
answer
8
NIELIT 2016 MAR Scientist C - Section C: 35
Consider the schema $R=(\text{S T U V})$ and the dependencies $ S \rightarrow T, T \rightarrow U, U \rightarrow V$, and $V \rightarrow S.$ If $R=(R1 \text{ and } R2)$ be a decomposition such that $R1 \cap R2= \phi$ ... $\text{3 NF}$ in $\text{3 NF}$ but not in $\text{2 NF}$ in both $\text{2 NF}$ and $\text{3 NF}$
admin
asked
in
Databases
Apr 2, 2020
by
admin
800
views
nielit2016mar-scientistc
databases
data-dependency
0
votes
1
answer
9
NIELIT 2017 OCT Scientific Assistant A (IT) - Section B: 10
Which of the following is a desirable property of module? Independency Low cohesiveness High Coupling Multifunctional
admin
asked
in
CO and Architecture
Apr 1, 2020
by
admin
1.3k
views
nielit2017oct-assistanta-it
co-and-architecture
data-dependency
0
votes
1
answer
10
NIELIT 2017 OCT Scientific Assistant A (CS) - Section C: 5
Which of the following is a desirable property of module? Independency Low cohesiveness High Coupling Multifunctional
admin
asked
in
CO and Architecture
Apr 1, 2020
by
admin
607
views
nielit2017oct-assistanta-cs
co-and-architecture
data-dependency
0
votes
1
answer
11
UGC NET CSE | December 2006 | Part 2 | Question: 18
Which statement is false regarding data independence ? Hierarchical data model suffers from data independence Network model suffers from data independence Relational model suffers only from logical data independence Relational model suffers only from physical data independence
go_editor
asked
in
Databases
Mar 27, 2020
by
go_editor
511
views
ugcnetcse-dec2006-paper2
databases
data-dependency
0
votes
1
answer
12
KPGCET-CSE-2019-27
The undesirable multivalued dependency in a relation arises if there exist Two one-to-many relationships between attributes of a relation One one-to-one and one one-to many one relationships between attributes within a relation Two one-to-one relationships between attributes of a relation One one-to-many relationship between attributes across relation
gatecse
asked
in
Databases
Aug 4, 2019
by
gatecse
240
views
kpgcet-cse-2019
databases
data-dependency
1
vote
4
answers
13
Madeeasy- Types of Dependencies
Please clarify along with the names.
Markzuck
asked
in
CO and Architecture
Jan 9, 2019
by
Markzuck
1.3k
views
co-and-architecture
data-dependency
data-hazards
pipelining
databases
0
votes
2
answers
14
Data forwarding in pipelining
Data forwarding is used to avoid which type of conflict?? (1) RAW (2) WAR (3) WAW (4) RAR
Abhilash Mishra
asked
in
CO and Architecture
Jan 2, 2019
by
Abhilash Mishra
1.2k
views
pipelining
co-and-architecture
operand-forwarding
data-dependency
0
votes
1
answer
15
Avoiding pipeline Hazards
Please Confirm.
smsubham
asked
in
CO and Architecture
Dec 27, 2018
by
smsubham
446
views
pipelining
hazards
co-and-architecture
data-hazards
data-dependency
1
vote
3
answers
16
NIELIT 2018-58
Consider the following functional dependencies in a database: $A \rightarrow B$ $B \rightarrow C$ $D \rightarrow E$ $E \rightarrow D$ $F \rightarrow G$ $F \rightarrow H$ $(E,F) \rightarrow I$ The relation $(E,D,A,B)$ is $2$ NF $3$ NF BCNF None of the above
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
2.4k
views
nielit-2018
databases
data-dependency
0
votes
1
answer
17
Data Hazards
Find the data hazards(RAW,WAW,WAR) in the given instructions
Vishnathan
asked
in
CO and Architecture
Nov 17, 2018
by
Vishnathan
943
views
data-hazards
co-and-architecture
hazards
data-dependency
0
votes
2
answers
18
Sum of Data dependencies
$I_1 : MUL \ \ \ \ \ R_1, R_2, R_3$ // $R_1 \leftarrow R_2 \times R_3$ $I_2 : ADD \ \ \ \ \ R_4, R_4, R_1$ $I_3 : MUL \ \ \ \ \ R_1, R_5, R_6$ $I_4 : SUB \ \ \ \ \ R_4, R_4, R_1$ Sum of RAW, WAR and WAW dependencies is _____.
Mk Utkarsh
asked
in
CO and Architecture
Oct 23, 2018
by
Mk Utkarsh
728
views
data-hazards
data-dependency
co-and-architecture
numerical-answers
2
votes
1
answer
19
Pipeline : Number of RAW dependencies
Consider the below instructions executed on a 5 stage(IF,ID,EX,MA,WB) RISC pipeline with operand forwarding. I1: ADD R0,R1,R2 (R0=R1+R2) I2: SUB R3,R0,R2 I3:MUL R4,R3,R0 I4:DIV R5,R4,R0 How many RAW dependencies?
Mk Utkarsh
asked
in
CO and Architecture
Oct 23, 2018
by
Mk Utkarsh
2.2k
views
data-hazards
hazards
co-and-architecture
pipelining
data-dependency
0
votes
1
answer
20
Data dependancies
Anti- dependency will not ALWAYS create stall because we can use register renaming to remove stall. Please confirm below statement: Anti-dependency MAY create stall (True/False)
Suneel Padala
asked
in
CO and Architecture
Sep 23, 2018
by
Suneel Padala
398
views
co-and-architecture
data-dependency
true-false
0
votes
0
answers
21
please solve my Q
24. Consider the following instructions. I 1 : R 1 = 100 I 2 : R 1 = R 2 + R 4 I 3 : R 2 = R 4 + 25 I 4 : R 4 = R 1 + R 3 13 I 5 : R 1 = R 1 + 30 Calculate sum of (WAR, RAW and WAW) dependencies the above instructions. (a) 10 (b) 12 (c) 6 (d) 8
kallu singh
asked
in
CO and Architecture
Sep 18, 2018
by
kallu singh
276
views
co-and-architecture
data-dependency
3
votes
0
answers
22
MadeEasy Test Series: CO & Architecture - Data Dependency
I'm getting 6,1,2 but the answer given is 5,1,2
charul
asked
in
CO and Architecture
Jan 7, 2018
by
charul
422
views
made-easy-test-series
co-and-architecture
data-dependency
1
vote
1
answer
23
RAW, WAR, WAW hazards
J1: R1 = 100 J2: R1 = R2 + R4 J3: R2 = R4 + 25 J4: R4 = R1 + R3 J5: R1 = R1 + 30 Give the no of RAW, WAR and WAW hazards
Tuhin Dutta
asked
in
CO and Architecture
Dec 3, 2017
by
Tuhin Dutta
2.1k
views
data-hazards
data-dependency
co-and-architecture
hazards
5
votes
1
answer
24
WAR amd WAW dependency
R4 <- R1 + R4 R4 <- R2 + R4 R4 <- R3 + R5 Number of WAR and WAW dependencies?
Rajesh R
asked
in
CO and Architecture
Nov 4, 2017
by
Rajesh R
809
views
data-dependency
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