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Which phase of the program development process involves analyzing the problem and devising an algorithm?

  • Problem-solving phase (correct)
  • Implementation phase
  • Working Program
  • Incorrect program
  • What are the steps involved in the problem-solving phase of the program development process?

  • Code, Test, Debug
  • Analyze Problem, Test, Trace Algorithm
  • Analyze Problem, Devise Algorithm, Trace Algorithm (correct)
  • Analyze Problem, Debug Incorrect program, Test
  • Which step of the program development process involves testing the algorithm?

  • Step 6: Trace Algorithm
  • Step 3: Debug
  • Step 1: Code
  • Step 2: Test (correct)
  • Which step in the algorithm involves replacing particular values used in each step with mathematical expressions of parameters?

    <p>Step 4</p> Signup and view all the answers

    What is the algorithm for calculating $y^x$?

    <p>$n = x; i = 1; while(i &lt; y) { n = n * x; i += 1; }$</p> Signup and view all the answers

    What is the output of the algorithm when $x = 3$ and $y = 4$?

    <p>81</p> Signup and view all the answers

    What is the purpose of testing the code in the implementation phase?

    <p>To verify that the code produces correct results</p> Signup and view all the answers

    Which phase of the program development process involves analyzing the problem and devising an algorithm?

    <p>Problem-solving phase</p> Signup and view all the answers

    What is the purpose of testing the program in the implementation phase?

    <p>To ensure the program works correctly</p> Signup and view all the answers

    What is the first step in the program development process?

    <p>Understanding the problem</p> Signup and view all the answers

    Which field(s) extensively use(s) exponentiation?

    <p>Economics and physics</p> Signup and view all the answers

    What is the purpose of a debugger?

    <p>To examine variable values</p> Signup and view all the answers

    What values are restricted for the exponentiation algorithm?

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

    Which step of the program development process involves thinking about what you did to solve the problem and writing down the individual steps to solve that particular instance?

    <p>Step 4</p> Signup and view all the answers

    What is the difficulty in Step 4 of the program development process?

    <p>Mentally glossing over small details</p> Signup and view all the answers

    What is the skill that humans have but computers lack when following step-by-step instructions?

    <p>Ability to understand context</p> Signup and view all the answers

    What is the purpose of generalizing the steps into an algorithm in Step 5 of the program development process?

    <p>To solve the problem for infinite instances</p> Signup and view all the answers

    Which phase of the program development process involves identifying the source of software bugs within the program?

    <p>Debugging</p> Signup and view all the answers

    What is the purpose of adding trace code to a program during the debugging process?

    <p>To print values of variables during execution</p> Signup and view all the answers

    What is the main difference between testing and debugging in the program development process?

    <p>Testing focuses on finding inputs for which the program generates incorrect outputs, while debugging focuses on locating the source of software bugs.</p> Signup and view all the answers

    What is the most popular way to find bugs during the debugging process?

    <p>Inserting trace code to print values of variables</p> Signup and view all the answers

    Which step in the program development process involves working the problem by hand or with a calculator using a simple set of data?

    <p>Step 3: Hand example</p> Signup and view all the answers

    What is the equation used to compute the distance between two points in a plane?

    <p>$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$</p> Signup and view all the answers

    What is the purpose of the problem statement in the program development process?

    <p>To understand the problem clearly</p> Signup and view all the answers

    What is the purpose of the input/output (I/O) description in the program development process?

    <p>To describe the information given to solve the problem and identify the values to be computed</p> Signup and view all the answers

    Which type of testing assumes that the tester knows nothing about the program and tests the program's behavior based on the problem statement?

    <p>Blackbox testing</p> Signup and view all the answers

    What is the purpose of unit testing?

    <p>To test functions of a program in isolation</p> Signup and view all the answers

    What is the difference between blackbox testing and whitebox testing?

    <p>Blackbox testing assumes that the tester knows nothing about the program, while whitebox testing assumes that the tester knows everything about the program</p> Signup and view all the answers

    What is the responsibility of the programmer in whitebox testing?

    <p>To test every command, every instruction, and every possible situation</p> Signup and view all the answers

    Which step of the program development process involves coding the algorithm?

    <p>Implementation phase</p> Signup and view all the answers

    What is the purpose of testing the code in the implementation phase?

    <p>To debug the code if it doesn't match hand-calculations</p> Signup and view all the answers

    What is the algorithm for calculating the distance between two points in a plane?

    <p>$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$</p> Signup and view all the answers

    What is the purpose of replacing particular values used in each step with mathematical expressions of parameters in the algorithm?

    <p>To combine the individual steps into a single step</p> Signup and view all the answers

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