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snow_tiger [21]
2 years ago
13

When the tcp\ip translates a network layer address into a data link layer address (after not finding an entry for the network la

yer address in its data link layer address table in the cache) , it sends a special _____________ to all computers in the subnet?
Computers and Technology
1 answer:
Pavel [41]2 years ago
6 0
When the network stack translates an IP address (network address) to a MAC address (data link address) it sends a broadcast using ARP to all devices on the subnet asking who has the specified IP address.  The device with that IP address will then respond with it's MAC address to the ARP message's source.

With this in mind the answer to your question would either be broadcast or ARP request depending on what you have been learning in class.
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How can i do a back up on one computer and save it to the hard drive in another computer without it being seen by others on the
Ganezh [65]
Unless you share the backup HD only the local user is going to see it. Given that it's a server, it's not a problem. You can also hide the backup with attributes +h +s and many other ways.
8 0
3 years ago
Assuming a computer has a single processor and a single core with no support for parallel execution, explain why running a multi
IRISSAK [1]

Answer:

Explanation:

Before we go deep into this question lets have some brief knowledge on parallel execution, parallel processing and multi tasking.

Parallel Execution : in this two or more tasks or program can be executed parallel or simultaneously.

For example if there are two processors and four programs to be executed then it executes two at a time.

Multi tasking: in this two or more tasks can be performed simultaneously switching between them without exiting any application.

For example we use notepad, word pad, excel sheet, chrome all at a time switching between each other.

Multi Threading: It is splitting up the program into different threads.If the contents in the program are independent on each other then the program can be split into multi threads and can be processed.

Multi threading in multi core or processing unit : In this threads are executed parallel or simultaneously in different processes.

For example if there are two processors then one multi threaded program can execute two threads in two different processors.

Multi threaded program in single core unit : In this, program is multi threaded where as threads cannot execute parallel or simultaneously. they sholud be executed by the same processor. So they should wait in queue

Ex: consider three tasks of 6 secs each and multi threaded each into three threads of two seconds.

Task1 3secs > task2 3secs > task3 3 secs it repeats until each task is completed

Total time taken is 3+3+3+3+3+3+3+3+3 is 18seconds...

If they are executed one by one without multi threading total execution time has no change..

Where as multi threading program has its advantages if different threads are executed at different place..

If one thread executes at network, another at printer and other processor then these three can execute at same time at different processors. Multi threading has its advantages but in single core systems it doesn't affect the performance.

Inter process communication consists of

Information Sharing, message passing, Modularity.

In shared memory inter process communication processes shares the memory between each other.

In message passing communication process communicates like request and replies for information and resources.

Interlocking is due to error in resource sharing and information sharing. It results in system collapse.

Al these process communication is required if there are two or more.processes but in single core it is not much useful and advisable.

In single core there will be a single processor, processing multi threaded program as it can access all the memory contents there will be no problem of process communication. Where as in multi core systems different processes may compete for same memory or resource.

In single core systems inter process communication makes things complex and these complexity is not much useful in any of the improvement in performance.

4 0
3 years ago
The _____ search algorithm searches a list for a given item, starting with the first element and continues to compare the item w
noname [10]

Answer:

Sequential

Explanation:

Based on the information provided within the question it can be said that the search algorithm that is being described in this scenario is a Sequential algorithm. This is because sequential programming focuses on programming (or in this case searching for) a result by doing one step at a time as opposed to various functions running simultaneously.

7 0
2 years ago
Does a soda vending machine Give reciepts?<br><br>need for computer science hw
kupik [55]
No, they do not give receipts.<span />
6 0
3 years ago
Read 2 more answers
________ is the process the compiler uses to divide your source code into meaningful portions; the message means that the compil
Nesterboy [21]

Answer:

Parsing is the process uses to divide your source code into meaningful portions; the message means that the compiler was in the process of analyzing the code when the end of the file was encountered prematurely

Explanation:

In parsing process  the parser in compiler breaks code and data into smaller elements coming from lexical analysis phase.

6 0
3 years ago
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