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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?
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?
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?
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?
Which command is used to run unit tests?
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When should cin be used?
When should cin be used?
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What is the purpose of cin.ignore()?
What is the purpose of cin.ignore()?
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What operation is performed by the expression a / b when a and b are integers?
What operation is performed by the expression a / b when a and b are integers?
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What is the purpose of mkdir command?
What is the purpose of mkdir command?
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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 > output.txtredirects the output from the program app into a file named output.txt.
Printing File Contents
- The command
cat content.txtprints the contents of the file content.txt to the console.
Creating a File
- The command
touch content.txtcreates the file content.txt.
Running Unit Tests
- The command
make testruns the unit tests.
Input Streams
cinshould be used to ask the user to input a number or a single word string.cinshould 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 usingcinaftergetline.cin.ignore()should not be used every timecinis used or every timegetlineis used.
Integer Division
- The correct answer for the integer division question is not provided in the given text.
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Description
Introduction to Programming midterm exam for University of California, Merced, Spring 2024 semester.
