Which statements must be executed before S6 is executedin the program in Example 8? S6Si a:=0S, b:=1S3 c= a+1S4d:= b+aS5 e=d+ 1S6 e=e+dS2FIGURE 10 A precedence graph.EXAMPLE 8 Precedence Graphs and Concurrent Processing Computer programs can be executed morerapidly by executing certain statements concurrently. It is important not to execute a statementthat requires results of statements not yet executed. The dependence of statements on previousstatements can be represented by a directed graph. Each statement is represented by a vertex,and there is an edge from one statement to a second statement if the second statement cannotbe executed before the first statement. This resulting graph is called a precedence graph. Acomputer program and its graph are displayed in Figure 10. For instance, the graph shows thatstatement S3 cannot be executed before statements S,, S2, and Są are executed.

Name: Which statements must be executed before S6 is executedin the program
Uploaded: 2024-03-20T07:07:26.000Z
Channel: Bartleby
Description: Which statements must be executed before S6 is executedin the program in Example 8? S6Si a:=0S, b:=1S3 c= a+1S4d:= b+aS5 e=d+ 1S6 e=e+dS2FIGURE 10 A precedence graph.EXAMPLE 8 Precedence Graphs and Concurrent Processing Computer programs can be execu

Answered: S6 Si a:=0 S, b:=1 S3 c= a+1 S4 d:= b+a…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

See similar textbooks

Related questions

Topic Video

Question

Which statements must be executed before S6 is executed
in the program in Example 8?

S6
Si a:=0
S, b:=1
S3 c= a+1
S4
d:= b+a
S5 e=d+ 1
S6 e=e+d
S2
FIGURE 10 A precedence graph.
EXAMPLE 8 Precedence Graphs and Concurrent Processing Computer programs can be executed more
rapidly by executing certain statements concurrently. It is important not to execute a statement
that requires results of statements not yet executed. The dependence of statements on previous
statements can be represented by a directed graph. Each statement is represented by a vertex,
and there is an edge from one statement to a second statement if the second statement cannot
be executed before the first statement. This resulting graph is called a precedence graph. A
computer program and its graph are displayed in Figure 10. For instance, the graph shows that
statement S3 cannot be executed before statements S,, S2, and Są are executed.

Expert Solution

Step 1

As per the given question, we need to find which statements must be executed before S6 is executed
in the program.

S6 is e := c+d

That is e in S6 depends on c and d for its execution.

S3 gives c. But c in S3 depends on a in S1.

S4 gives d. But d in S4 depends on a in S1 and b in S2.

Step by step

Solved in 2 steps

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-engineering and related others by exploring similar questions and additional content below.

Recommended textbooks for you

Computer Networking: A Top-Down Approach (7th Edi…

Computer Engineering

ISBN:

9780133594140

Author:

James Kurose, Keith Ross

Publisher:

PEARSON