Answer:
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When an important file is saved on two different computers, the name of the file that is housed on the second computer is 'back up'. Back up refers to the process of copying and archiving a particular computer data in order to have an extra copy to fall back on in the event of data loss. <span />
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Answer:
x = int(input("What grade are you in? "))
if (x == 9):
print ("Freshman")
elif (x == 10):
print("Sophomore")
elif (x == 11):
print ("Junior")
elif (x == 12):
print("Senior")
else:
print ("Not in High School")
Explanation:
Manually cleaning data is done manually which makes it challenging. This make it prone to mistakes.
