head C D program: ead head A →next := head head C

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Explain Prolog search strategy. Make use of the following figure in your explanations. 

head
C
main program:
read head
A
A>next := head
head
C
handler:
read head
A
B>next := head
head := B
head
В
C
D
head := A
head
A
В
C
Figure 12.1 Example of a race condition. Here the currently running program attempts to
insert a new element into the beginning of a list. In the middle of this operation, an interrupt oc-
curs and the interrupt handler attempts to insert a different element into the list. In the absence
of synchronization, one of the elements may be lost (unreachable from the head pointer).
Transcribed Image Text:head C main program: read head A A>next := head head C handler: read head A B>next := head head := B head В C D head := A head A В C Figure 12.1 Example of a race condition. Here the currently running program attempts to insert a new element into the beginning of a list. In the middle of this operation, an interrupt oc- curs and the interrupt handler attempts to insert a different element into the list. In the absence of synchronization, one of the elements may be lost (unreachable from the head pointer).
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