1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
andrey2020 [161]
3 years ago
9

Consider a system consisting of m resources of the same type, being shared by n processes. Resources can be requested and releas

ed by processes only one at a time. Show that the system is deadlock free if the following two conditions hold:__________.
A. The maximum need of each process is between 1 and m resources
B. The sum of all maximum needs is less than m+n.
Computers and Technology
1 answer:
Mama L [17]3 years ago
5 0

Answer:

Explanation:

The system will be deadlock free if the below two conditions holds :

Proof below:

Suppose N = Summation of all Need(i), A = Addition of all Allocation(i), M = Addition of all Max(i). Use contradiction to prove.

Suppose this system isn't deadlock free. If a deadlock state exists, then A = m due to the fact that there's only one kind of resource and resources can be requested and released only one at a time.

Condition B, N + A equals M < m + n. Equals N + m < m + n. And we get N < n. It means that at least one process i that Need(i) = 0.

Condition A, Pi can let out at least 1 resource. So there will be n-1 processes sharing m resources now, Condition a and b still hold. In respect to the argument, No process will wait forever or permanently, so there's no deadlock.

You might be interested in
Discussion Topic
BabaBlast [244]

Answer:

Social media positively affects and impacts the process of globalization. ... Global communities is a social infrastructure tool and as social media helps in strengthening social relationships and bringing people and communities together it leads to creating a string global community.

7 0
3 years ago
Consider a situation where we have a file shared between many people.  If one of the people tries editing the file, no other pe
Sergeu [11.5K]

Explanation:

I am a collection of this process from Trash on the computer system and the program that included a new twist on the computer and the skin that appears after loading and the Windows operating system it was much that appear on identifying long horizontal bar at the bottom of the screen and water pollution and its control car parts of the computer with enough letters and adware if for the collection of the fat calculation in the complete committee that in the water method is a product of a screensaver been disciplined displayed at the subject of the right click an icon To Number Sau new file getting opened on you can getting opened on a forgiving of an operational effectiveness of the program is a false false false

7 0
3 years ago
listen to exam instructions a small business called widgets, inc. has hired you to evaluate their wireless network security prac
Alex

Following actions could you most likely advise the client taking to strengthen the security of their wireless network-

  • Change the default SSID to anything different.
  • Turn off SSID broadcasting.
<h3>Explain the term wireless network security?</h3>
  • Designing, putting into practice, and ensuring security on such a wireless computer network are all parts of wireless network security.
  • A wireless computer network is further protected by this subset of network security.
  • Wireless security is another name for wireless network security.

For the stated question-

  • Disabling SSID broadcast and changing the network name are advised.
  • By disabling SSID, the network name won't be displayed on devices looking for a network can connect to, and so by changing the name, it will be impossible for anyone who already knows the old name to connect.
  • Both of which significantly boost security.

To know more about the wireless network security, here

brainly.com/question/28257213

#SPJ4

3 0
1 year ago
3.26 LAB: Leap Year A year in the modern Gregorian Calendar consists of 365 days. In reality, the earth takes longer to rotate a
Tju [1.3M]

Answer:

year = int(input("Enter a year: "))

if (year % 4) == 0:

  if (year % 100) == 0:

      if (year % 400) == 0:

          print(str(year) + " - leap year")

      else:

          print(str(year) +" - not a leap year")

  else:

      print(str(year) + " - leap year")

else:

  print(str(year) + "- not a leap year")

Explanation:

*The code is in Python.

Ask the user to enter a year

Check if the <u>year mod 4</u> is 0 or not. If it is not 0, then the year is not a leap year. If it is 0 and if the <u>year mod 100</u> is not 0, then the year is a leap year. If the <u>year mod 100</u> is 0, also check if the <u>year mod 400</u> is 0 or not. If it is 0, then the year is a leap year. Otherwise, the year is not a leap year.

8 0
3 years ago
Read 2 more answers
Write a function named average_value_in_file that accepts a file name as a parameter and reads that file, assumed to be full of
noname [10]

def average_value_in_file(filename):

   f = open(filename)

   total = 0

   count = 0

   for x in f.read().splitlines():

       total += int(x)

       count += 1

   return total/count

print(average_value_in_file("input.txt"))

I used an input file that looks like this:

1

1

1

1

6 0
3 years ago
Other questions:
  • Im trying to learn c# for unity does anyone know any good sources
    10·1 answer
  • The three tasks within data harmonization, namely: data consolidation, data cleansing, and data formatting use techniques called
    8·1 answer
  • Your task is to write and test a function which takes one argument (a year) and returns True if the year is a leap year, or Fals
    5·1 answer
  • The program is to be answered in Java Programming not C++ Please answer the following: Modify the BarChart program to accept the
    6·1 answer
  • 1. Define lexemes. Give an example of an lexeme in any programming language.<br>​
    10·1 answer
  • Explain how SEO impacts the way you should interpret search engine results ???
    6·1 answer
  • The ____ attribute can be used only with input boxes that store text. Group of answer choices type pattern required value
    9·1 answer
  • Software that allows users to use and adapt it for any purpose, often allowing the public to participate in further development
    7·2 answers
  • Chức năng của hàm MOD(number, divisor)?
    7·1 answer
  • A small square at the right corner of the table is what?​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!