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lana66690 [7]
1 year ago
5

Write a sequence of statements that create a file named "greeting" and write a single line consisting of "Hello, World!" to that

file. Make sure that the line has been flushed to the file and that any system resources used during the course of running these statements have been released.
Computers and Technology
1 answer:
tia_tia [17]1 year ago
4 0

Answer:

The solution code is written in Python 3 as below:

  1. outfile = open("greeting.txt", "w")
  2. outfile.write("Hello World")
  3. outfile.close()

Explanation:

To create a simple text file in Python, we can use Python built-in function, <em>open()</em>. There are two parameters needed for the open() function,

  1. the file name and
  2. a single keyword "w". "w" denote "write". This keyword will tell our program to create a file if the file doesn't exist.

The statement <em>open("greeting.txt", "w")</em> will create a text file named "<em>greeting.txt</em>" (Line 1)

To fill up the content in the greeting.txt, we use <em>write()</em> method. Just include the content string as the argument of the <em>write()</em> method. (Line 2)

At last, we use <em>close() </em>method to close the opened file,<em> outfile</em>. This will release the system resource from the<em> outfile.</em>

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Write a recursive method called printNumPattern() to output the following number pattern. Given a positive integer as input (Ex:
TiliK225 [7]

Answer:

See Explanation Below

Explanation:

// C++ printNumPattern() recursive method

// Comments are used for explanatory purpose

// Only the recursive is submitted

// Method starts here

void printPattern(int num1, int num2, bool dec)  

{  

// Print num2.  

cout << num2 << " ";  

//Printing to num1

if (dec == false && num1 ==num2)  {

 return;  }

// Printing to 0 or negative.  

if (dec)  

{  

// If num2 is greater than num2

if (num2-num1 > 0)  

 printPattern(num1, num2-num1, true);  

else // recur with false dec  

 printPattern(num1, num2-num1, false);  

}  

else // If dec is false.  

 printPattern(num1, num2+num1, false);  

}  

//End of recursive

7 0
2 years ago
Suppose the information content of a packet is the bit pattern 1110 0110 1001 1101 and an even parity scheme is being used. What
marta [7]

Answer:

\left[\begin{array}{ccccc}1&1&1&0&1\\0&1&1&0&0\\1&0&0&1&0\\1&1&0&1&1\\1&1&0&0&0\end{array}\right]

Explanation:

To keep the checksum length minimum ,checksum field should be a 4x4 matrix with two dimensional even parity bit.

For this purpose first create a matrix of RxC dimensions and add one even parity bit at the end of each row and column.

parity bit is sort of a check flag used to detect errors in binary data.Error detection is done by adding total number of  1's in the binary sequence.

There are two types of parity bits

  1. Even
  2. Odd

For even parity if total number of 1 is even parity bit for that sequence would be (0).

For even parity if total number of 1 is odd parity bit for that sequence would be (1)

For odd parity if total number of 1 is odd parity bit for that sequence would be (0)

For odd parity if total number of 1 is even parity bit for that sequence would be (1)

4 0
2 years ago
When your tire blows out in the middle of a drive, you should _____. A. let go of the steering wheel B. pump the brakes immediat
notsponge [240]
The answer is D. Because you are in the middle of the road so put your caution lights on and steer to the side of the road
3 0
2 years ago
Read 2 more answers
in a small office, there are 5 computers, a network printer, and a broadband connection to the internet. what devices are needed
Nataly [62]

Answer:

<em>Ethernet cables, Network Adapters, Modem, Routers, Switches.</em>

Explanation:

<em>The devices that are required in setting up a wired network for the 5 computer comprises of the following devices </em>

  • <em>Ethernet Cables</em>
  • <em>Network Adapters</em>
  • <em>Modem/Router</em>
  • <em>Network Switch</em>

<em>Ethernet cables: They are called network cables or RJ-45 cables used to in connecting two or more computers together. it has different categories called, the untwisted pair and twisted pair Ethernet, with a speed from 10-1000</em>

<em>Network Adapters : This adapters allows a computer device to connect and interface with a network computer</em>

<em>Modem/Routers : A router is a device that that sits in the  middle  between your local computers and modems. it takes receives information or gets information from the modem and delivers it to the computer</em>

<em>Network switch: it connects more than two computers together to a network and share data among themselves and other devices on the network</em>

6 0
2 years ago
Lin is booting up his computer, and during the boot process, the computer powers down. After several unsuccessful attempts to bo
inysia [295]

Answer:

Option (c) is the correct answer of this question.

Explanation:

RAM (Random Access Memory) It is a type of computer memory which can also be retrieved and adjusted in either sequence, usually still had to preserve operating memory and bytecode.

It is a type storage device, and maintains the data used when the device is operating.RAM makes file access more frequently compared with certain digital storage types.

 <u>For Example</u>:- PCs, tablets, smartphones ,printers etc.

Other options  are not related to the given scenario.

8 0
2 years ago
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