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4 years ago

(a) Explain the term formatting a disk for storage.

Computers and Technology

1 answer:

Elena L [17]4 years ago

6 0

Answer:

Disk formatting is the process of preparing a data storage device such as a hard disk drive, solid-state drive, floppy disk or USB flash drive for initial use. In some cases, the formatting operation may also create one or more new file systems. The first part of the formatting process that performs basic medium preparation is often referred to as "low-level formatting".[1] Partitioning is the common term for the second part of the process, making the data storage device visible to an operating system.[1] The third part of the process, usually termed "high-level formatting" most often refers to the process of generating a new file system.[1] In some operating systems all or parts of these three processes can be combined or repeated at different levels[3] and the term "format" is understood to mean an operation in which a new disk medium is fully prepared to store files. Some formatting utilities allow distinguishing between a quick format, which does not erase all existing data and a long option that does erase all existing data.

As a general rule,[nb 1] formatting a disk by default leaves most if not all existing data on the disk medium; some or most of which might be recoverable with privileged[nb 2] or special tools.[4] Special tools can remove user data by a single overwrite of all files and free space.[5]

Explanation:

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Why was the movable type of the printing press such a breakthrough for publishing?

guapka [62]

Movable type is not part of a printing press. Before movable type and printing presses, things had to be manually transcribed (copied by hand), which was extremely expensive. The press mechanized copying, lowering it's cost and driving down the cost of reproduction.

Arguably, there wasn't any publishing before movable type and printing presses.

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3 years ago

Read 2 more answers

Write a function named repeat_words that takes two string parameters: 1. in_file: the name of an input file that exists before r

madam [21]

Answer:

#section 1

def repeat_words(firstFile, secondFile):

infile_1=open(firstFile,'r')

content1=infile_1.read()

infile_1.close()

#section 2

import string

newContent=""

for char in content1:

newContent+=char.strip(string.punctuation)

newContent=newContent.lower()

newContent=newContent.split()

#section 3

repeated_list=[]

for word in newContent:

if newContent.count(word)>1:

repeated_list.append(word)

#section 4

new_repeat_list=[]

for item in repeated_list:

while item not in new_repeat_list:

new_repeat_list.append(item)

#section 5

outfile=open(secondFile,'w')

for repeat in new_repeat_list:

outfile.write(repeat)

outfile.write('\n')

outfile.close()

infile_2=open(secondFile,'r')

content2=secondFile.read()

infile_2.close()

return content2

# section 6

in_file = 'aa.txt'

out_file = 'cpu.txt'

print(repeat_words(in_file, out_file))

Explanation:

#section 1

it defines a function that takes two arguments. It opens the first argument in the read mode and stores all it's content in a string variable "content1". finally the file is closed.

#section 2

In this section the string module is imported which allows for easy manipulation of string variables.

A new string variable is created that would store the already stripped file.

strip(string.punctuation) strips every character of any leading or trialing punctuation.

lower() converts string to lover case.

split() converts a string to an array of sub-string, i.e an array of words.

#section 3

This section collects all the words in the array and places them in a list.

#section 4

Utilizes a For and a While loop to ensure that no word repeats and stores it in a new list.

#section 5

Opens a new file and writes all the content into that new file and then closes the file.

re-opens the file, reads and returns the content of the file.

# section 6

This is added in order to test the function and print the result

I used your question to test the function and attached the result.

cheers!

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3 years ago

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Shkiper50 [21]

Answer:

maybe overexposure???

Explanation:

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2 years ago

Write a function called 'game_of_eights()' that accepts a list of numbers as an argument and then returns 'True' if two consecut

MrRa [10]

Answer:

In Python:

def main():

n = int(input("List items: "))

mylist = []

for i in range(n):

listitem = input(", ")

if listitem.isdecimal() == True:

mylist.append(int(listitem))

else:

mylist.append(listitem)

print(game_of_eights(mylist))

def game_of_eights(mylist):

retVal = "False"

intOnly = True

for i in range(len(mylist)):

if isinstance(mylist[i],int) == False:

intOnly=False

retVal = "Please, enter only integers"

if(intOnly == True):

for i in range(len(mylist)-1):

if mylist[i] == 8 and mylist[i+1]==8:

retVal = "True"

break

return retVal

if __name__ == "__main__":

main()

Explanation:

The main begins here

def main():

This gets the number of list items from the user

n = int(input("List items: "))

This declares an empty list

mylist = []

This iterates through the number of list items

for i in range(n):

This gets input for each list item, separated by comma

listitem = input(", ")

Checks for string and integer input before inserting item into the list

if listitem.isdecimal() == True:

mylist.append(int(listitem))

else:

mylist.append(listitem)

This calls the game_of_eights function

print(game_of_eights(mylist))

The game_of_eights function begins here

def game_of_eights(mylist):

This initializes the return value to false

retVal = "False"

This initializes a boolean variable to true

intOnly = True

This following iteration checks if the list contains integers only

for i in range(len(mylist)):

If no, the boolean variable is set to false and the return value is set to "integer only"

if isinstance(mylist[i],int) == False:

intOnly=False

retVal = "Please, enter only integers"

This is executed if the integer contains only integers

if(intOnly == True):

Iterate through the list

for i in range(len(mylist)-1):

If consecutive 8's is found, update the return variable to True

if mylist[i] == 8 and mylist[i+1]==8:

retVal = "True"

break

This returns either True, False or Integer only

return retVal

This calls the main method

if __name__ == "__main__":

main()

7 0

3 years ago

1. Problem solving is

Ne4ueva [31]

Answer:

Explanation:

1. Problem solving is

(4 Points)

O A. highly interactive

B. collaborative

C. Both And B

D. Designing an App

4 0

3 years ago

(a) Explain the term formatting a disk for storage.​

(a) Explain the term formatting a disk for storage.