Chapter 10, Problem 1MC

Question

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Answer 1

Expert Solution & Answer

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

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Create an original network topology consisting of at least seven routers and twelve links, assigning arbitrary positive weights to each link. Using this topology, apply Dijkstra's Link-State Algorithm to compute the shortest paths from a source router of your choice to all other routers in the network. Your topology must be entirely your own design and should not resemble any examples from the textbook, lecture slides, or other students' work. Al-generated topologies are not permitted. Create

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Answer 2

Expert Solution & Answer

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

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Answer 3

Expert Solution & Answer

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Expert Solution & Answer

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

Answer 8

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.

Sample Output

Data written to my_name.txt

Screenshot of “my_name.txt” file

Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science), Chapter 10, Problem 1MC

Answer 9

Chapter 10, Problem 1MC

Program Description Answer

The file to which the data is written is known as an output file.

Hence the correct answer is option “B”.

Answer 10

Expert Solution & Answer

Explanation of Solution

Output file:

A file where the data are written is called as “output file”. The output file is created on the disk and allows the program to write a data on it.
The “output file” must be accessed using the file name and must be closed after the usage of the file.
- If the file is not closed properly, it can cause a loss of data. Because, the data that is written to a file is stored in a buffer first.
- After closing a file, the buffer saves the contents into the disk.

Example for output file:

The following program is used to open an output file, writes a name to it and then closes it.

#Function main

def main():

#Open an outfile for writing

outfile=open('my_name.txt','w')

#Write the name into file

outfile.write("Tom cruise")

#Close the file

outfile.close()

#Display statement

print('Data written to my_name.txt')

#Call the main function

main()<SAMPLE-OUTPUT>

Explanation:

The above program is used to open an output file named “my_name.txt”, and writes a name to it and then closes it:

In “main()” function, open a file “my_name.txt” and write a name "Tom cruise" to the file using “write()” method.
Close the file using “close()” method. Display the intimation message on the screen.
Call the “main()” function.

Explanation for the incorrect options:

Input file:

A file from which the data is read is called as input file. When a program gets input from the file, then it is called as input file.

Hence, the option “A” is wrong.

Sequential access file:

In sequential access method, the contents of the file are accessed from the beginning to the end.

Hence, the option “C” is wrong.

Binary file:

Binary file holds data that are not represented in the form of text. The executable programs are stored in the type of binary file. Due to this, the contents present in the binary file cannot be viewed with normal text editors.

Hence, the option “D” is wrong.