CSE 22 Midterm Exam Spring 2024
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CSE 22 Midterm Exam Spring 2024

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@SofterBiedermeier

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Questions and Answers

What is the correct syntax to redirect the output from the program app into a file named output.txt?

  • cat output.txt | app
  • app > output.txt (correct)
  • app | output.txt
  • app < output.txt

    • Which command is used to display the contents of a file?

  • ls content.txt
  • touch content.txt
  • mkdir content.txt
  • cat content.txt (correct)

    • What is the purpose of the touch command?

  • To delete a file
  • To create a new file (correct)
  • To rename a file
  • To create a new directory

    • Which command is used to run unit tests?

    <p>make test</p> Signup and view all the answers

    When should cin be used?

    <p>A &amp; B</p> Signup and view all the answers

    What is the purpose of cin.ignore()?

    <p>To clear the input buffer when using <code>cin</code> after <code>getline</code></p> Signup and view all the answers

    What operation is performed by the expression a / b when a and b are integers?

    <p>Integer division</p> Signup and view all the answers

    What is the purpose of mkdir command?

    <p>To create a new directory</p> Signup and view all the answers

    Study Notes

    University of California, Merced - CSE 22: Introduction to Programming Midterm Examination

    • The exam consists of 7 multiple-choice questions.
    • The exam is a closed book exam, and no notes or electronic devices are allowed.
    • The exam duration is 1 hour and 15 minutes.
    • Students must write their first and last name and UC Merced email on the Scantron and Exam Booklet.

    Redirecting Output

    • The command app &gt; output.txt redirects the output from the program app into a file named output.txt.

    Printing File Contents

    • The command cat content.txt prints the contents of the file content.txt to the console.

    Creating a File

    • The command touch content.txt creates the file content.txt.

    Running Unit Tests

    • The command make test runs the unit tests.

    Input Streams

    • cin should be used to ask the user to input a number or a single word string.
    • cin should not be used to ask the user to input a multi-word string.

    Clearing Input Buffer

    • cin.ignore() should be used to clear the input buffer when using cin after getline.
    • cin.ignore() should not be used every time cin is used or every time getline is used.

    Integer Division

    • The correct answer for the integer division question is not provided in the given text.

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    Related Documents

    cse-22-practice-midterm.pdf

    Description

    Introduction to Programming midterm exam for University of California, Merced, Spring 2024 semester.

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