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djverab [1.8K]
2 years ago
6

Write a method called printRangeOfNumbers that accepts a minimum, maximum numbers as parameters and prints each number from mini

mum up to that maximum, inclusive, boxed by curly brackets. For example, consider the following method calls:
Computers and Technology
1 answer:
timama [110]2 years ago
5 0

Answer:

The method in python is as follows:

class myClass:

    def printRange(min,max):

         for i in range(min, max+1):

              print("{"+str(i)+"} ", end = '')

           

Explanation:

This line declares the class

class myClass:

This line defines the method

    def printRange(min,max):

This line iterates from min to max

         for i in range(min, max+1):

This line prints the output in its required format

              print("{"+str(i)+"} ", end = '')

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E xercise 17.2.4: The following is a sequence of undo-log records written by two transactions T and U: < START T>; ; <
masya89 [10]

Answer:

Check the explanation

Explanation:

The following is a sequence of Undo — log records written by two transactions.

<START 1>; <F, A, 10>; <START U>; <U, B, 20>; <F, C, 30>; <U, D, 40>; <COMMIT U>; <T, E, 50>; <COMMIT T>; (a) < START U >;

If the system crashes after the log < START U >,

Then we have log records will be shown below.

<START U>;

<T, A, 10>;

<START T>;

SYSTEM CRASHED

The recovery manager sees the Undo - Redo log and inspect the both trans-actions T and U are not committed. Then those elements changed by both transactions are arranged to their old values.

  1. Transaction T changes the element A.
  2. Then the Element A is arranged to old value A=10.
  3. Transaction U did not change any existing element in the records.
  4. So, not anything to do with transaction U.

(B) < T, E, 50>;

If the system crashes after the log < T, E, 50>;

Then we have log records will be shown below .

START T>;

<T, A, 10>;

<START U>;

<U, B, 20>;

<T, C, 30>;

<U, D, 40>;

<COMMIT U>;

<T, E, 50>;

SYSTEM CRASHED

The recovery manager sees the Redo logs and inspect the transaction U is committed or not. Such changes made by transaction U are reached to disk.

• So much the recovery manager arranged the elements to their recent values changed by transaction U.

• Transaction U changed the elements B and its records <U, B, 20>with re-cent values.

• Transaction U changed the elements D and its records <U, D, 40>with recent values.

• The transaction T is not committed.

• Then the elements changed by transaction T are arranged to old values.

• Then element A is arranged to 10, C is arranged to 30 and E is arranged to 50.

7 0
2 years ago
A company requires an Ethernet connection from the north end of its office building to the south end. The distance between conne
BlackZzzverrR [31]

Answer:

A company requires an Ethernet connection from the north end of its office building to the south end. The distance between connections is 161 meters and will need to provide speeds of up to 10 Gbps in full duplex mode. Which of the following cable combinations will meet these requirements?

ANSWER: Use multi-mode fiber optic cable

Explanation:

MULTI-MODE FIBER OPTIC CABLE

For Ethernet distances up to 100 meters, the Copper CATX cable will do just fine. In the question, we are dealing with a distance of up to 161 meters, so we need an Ethernet extension. LAN extension over fiber optic cable with media converter can be used to convert the Ethernet cable runs from copper to fiber. Multi-mode fiber has a range of 550 meters for 10/100/1000 Ethernet links.

Multi-mode optical fiber is commonly used for communication over short distances, like within a building or on a campus. They are capable of data rate of up to 100 Gbps, which surpasses the requirements in this question. They are more economical in this case as they are not as expensive a the single-mode optical fiber cable. Fiber optic cable has the advantage of being immune to electromagnetic interferences, spikes, ground loops, and surges. This makes it more suited for this purpose.

7 0
2 years ago
Secure Wi-Fi networks and VPNs use _____ to secure data transferred over a network.
Aleksandr-060686 [28]

VPNs and Wifi networks use tunneling to send data privately over a network

4 0
1 year ago
Which of the following provides a suite of integrated software modules for finance and accounting, human resources, manufacturin
zzz [600]

Answer:

B) ERP systems

Explanation:

ERP which means Enterprise Resource Planning is a software that uses a centralized database, it helps to hasten business processes thereby reducing the use of manual labour. Some of the integrated software modules which it provides are:

*Finance, Accounting.

*Human resource.

*Manufacturing and production.

*Sales and marketing.

The ERP system does not really need the total involvement of a human because it has a database where information stored is used in the daily execution of tasks, it can also be used to measure the productivity and profitability of the business.

6 0
2 years ago
A file concordance tracks the unique words in a file and their frequencies. Write a program that displays a concordance for a fi
neonofarm [45]

Answer:

Python file with appropriate comments given below

Explanation:

#Take the input file name

filename=input('Enter the input file name: ')

#Open the input file

inputFile = open(filename,"r+")

#Define the dictionary.

list={}

#Read and split the file using for loop

for word in inputFile.read().split():

  #Check the word to be or not in file.

  if word not in list:

     list[word] = 1

  #increment by 1

  else:

     list[word] += 1

#Close the file.

inputFile.close();

#print a line

print();

#The word are sorted as per their ASCII value.

fori in sorted(list):

  #print the unique words and their

  #frequencies in alphabetical order.

  print("{0} {1} ".format(i, list[i]));

3 0
2 years ago
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