When a file has been opened using the r mode specifier

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14.Which statement can be used to handle some of the runtime errors in a program?a.anexceptionstatementb.atrystatementc.atry/exceptstatementd.anexception handlerstatementANS: C

15.Given that thecustomerfile references a file object, and the file was opened using the'w'modespecifier, how would you write the string'Mary Smith'to the file?

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16.When a file has been opened using the'r'mode specifier, which method will return the file'scontents as a string?

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17.Which of the following is the correct way to open a file namedusers.txtin'r'mode?

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18.Which of the following is the correct way to open a file namedusers.txtto write to it?a.outfile = open['w', users.txt]b.outfile = write['users.txt', 'w']c.outfile = open['users.txt', 'w']d.outfile = open['users.txt']ANS: C

19.What will be the output after the following code is executed and the user enters75and0at the firsttwo prompts?def main[]:

Chapter SevenMULTIPLECHOICE1.Which of these is associated with a specific file and provides a way for the program to work withthat file?a. Filenameb. Extensionc. File objectd. File variable

2.What do you call the process of retrieving data from a file?

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3.What happens when a piece of data is written to a file?

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4.Which step creates a connection between a file and a program?

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5.How many types of files are there?a. Oneb. Twoc. Threed. Four

6.A[n] _____ access file is also known as a direct access file.

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7.What type of file access jumps directly to any piece of data in a file without reading the data thatcame before it?

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8.Which mode specifier will open a file but will not let you change the file or write to it?

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Programming Logic and Design, Introductory

Farrell

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9.Which mode specifier will erase the contents of a file if it already exists and create it if it doesnot exist?a. ‘w’b. ‘r’c. ‘a’d. ‘e’

10. Assume that thecustomerfile references a file object, and the file was opened using the ‘w’mode specifier. How would you write the string ‘Mary Smith’ to the file?

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11.When a file has been opened using the ‘r’ mode specifier, which method will return the file’scontents as a string?

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12.Which method could be used to strip specific characters from the end of a string?

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13.Which method could be used to convert a numeric value to a string?a.strb.valuec.numd.chr

14.Which method will return an empty string when it has attempted to read beyond the end of afile?

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15.What statement can be used to handle some of the run-time errors in a program?

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d.exception handlerstatementTRUE/FALSE1.True/False: If a file with the specified name already exists when the file is opened, and the file isopened in 'w' mode, then an alert will appear on the screen.2.True/False: When a piece of data is read from a file, it is copied from the file into the program.

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Programming Logic and Design, Introductory

Farrell

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Which of the following describes what happens when a piece of data is written to a file quizlet?

What is the process of retrieving data from a file called quizlet?

What type of file access jumps directly to any piece of data in a file without reading the data?

Which method will return an empty string when it has attempted to read beyond the end of a file?