Study Guide: DFD and Visual Basic Exercise
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Questions and Answers

What is the purpose of the outer loop in the C++ code?

  • To declare variables
  • To jump to the next line (correct)
  • To print 'a' multiple times in a line
  • To print the '@'

What will be the output of the C++ code provided?

  • a@@@@ a@@@@ a@@@@ a@@@@
  • aaaa@@ aaaa@@ aaa@@ aa@@
  • aaaaa@ aaaaa@ aaaaa@ aaaaa@ (correct)
  • @@@@@ @@@@@ @@@@@ @@@@@

What does the inner loop in the C++ code control?

  • Exiting the program
  • Printing 'a' multiple times in a line (correct)
  • Printing '@'
  • Declaring variables

Which part of the C++ code handles displaying the message 'this is a program that prints a rectangle...'?

<p>At the beginning of the main method (A)</p> Signup and view all the answers

What is the significance of the comment '//closing the first loop' in the C++ code?

<p>It signifies the end of printing 'a' in a line (C)</p> Signup and view all the answers

What is the purpose of the first control mentioned in the text?

<p>Displaying a message in DFD (B)</p> Signup and view all the answers

What should be considered when assigning names in DFD and programming languages?

<p>Being cautious about capitalization since languages differentiate between upper and lower case (B)</p> Signup and view all the answers

What is the purpose of the 7th control mentioned in the text?

<p>Performing an arithmetic operation to multiply values (D)</p> Signup and view all the answers

Which control is responsible for reading the number provided by the user?

<p>Fifth control (A)</p> Signup and view all the answers

What is the purpose of the 6th control described in the text?

<p>Creating a loop to cycle through values (C)</p> Signup and view all the answers

What is an essential step before displaying the final result to the user in DFD?

<p>Performing an arithmetic operation (D)</p> Signup and view all the answers

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