Introduction to Problem Solving - December 2023 Exam
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Questions and Answers

The PAYMENTS array stores information about grades received by students.

False (B)

Students are allowed to bring a programmable calculator to their desks during the examination.

False (B)

There are 4 questions in Section A of the examination paper.

False (B)

The highest payment amount in the PAYMENTS array is located at index 2.

<p>False (B)</p> Signup and view all the answers

Standard Jamaican English is considered for marks in students' responses.

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

The sum of two numbers can be found using an algorithm.

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

There are 60 students eligible to take the exam according to the examination paper.

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

In Section B, students are required to answer all questions.

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

The pseudocode checks if the weight is less than 180.0 and the year is 1991 to print 'PERFECT'.

<p>False (B)</p> Signup and view all the answers

The woman invests a total of ¥600 over three years in the fixed income bond.

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

The algorithm multiplies the total amount by 1.08 at the beginning of each iteration of the loop.

<p>False (B)</p> Signup and view all the answers

To find the value of her investment at the end of each year, the algorithm needs to be changed to include a print statement inside the loop.

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

A problem statement should contain only the problem without any context or potential solutions.

<p>False (B)</p> Signup and view all the answers

Flashcards

Problem Statement

A clear, concise description of a problem, including its context, scope, and objectives.

Algorithm Representation

A way to express a sequence of steps to solve a problem, like using pseudocode or flowcharts.

Problem Solving Techniques

Methods used to address and resolve a problem. Examples include breaking down problems, brainstorming, or using a decision tree.

Compound Interest Algorithm

An algorithm used to calculate the future value of an investment that earns interest over a period of time and reinvests interest

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Algorithm Tracing

The process of following the steps of an algorithm with specific input values to observe the results at each step.

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Data Type for Payments

Appropriate data type for storing payment amounts (e.g., real or double).

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Highest Payment Location

Finding the index (position) of the largest payment in an array.

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Algorithm Feature

Characteristic of a good algorithm, (e.g., clear steps, efficiency, correctness).

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Continuous vs. Discrete Data

Continuous data can take any value within a range; discrete data is limited to specific values.

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Loop Variable in Pascal Arrays

Variable used to iterate through elements of an array in Pascal.

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Pascal Array Declaration

Syntax for creating an array in Pascal, specifying the data type and size.

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Calculating Total Payments

Summing up all the values in a payments array.

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Appropriate Data Types (Student Program)

Data types needed to store student names, grades (e.g., string, integer, enumerated type).

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Study Notes

Introduction to Problem Solving and Computing - December 2023 Exam

  • Course Details: Introduction to Problem Solving and Computing
  • Exam Date: December 2023
  • Duration: 2 hours
  • Number of Students: 60
  • Semester: II
  • Exam Type: Summer/Supplemental
  • Material Required:
    • Answer Booklet (Normal)
    • Calculator (where applicable)
    • Multiple Choice Answer Sheets (Number of items unspecified)
    • Auxiliary/Other materials (please specify)
  • Permitted Items: Pens, Pencils, Eraser, Ruler, Geometry Set, Non-programmable Calculator, ID Card, Examination Permit
  • Exam Structure:
    • Section A (30 marks): 3 short answer questions
    • Section B (15 marks): 1 short answer question, Answer 2 questions. Answer ALL questions
  • Assessment: Standard Jamaican English will be considered in grading responses.

Section A Questions

  • Question 1: Assess a PAYMENTS array.
    • State the location of the highest payment.
    • Write Pascal code to declare the array.
    • State the appropriate data type for stored values.
    • Write Pascal code to calculate total payments.
    • Define a loop variable in relation to arrays in Pascal.
  • Question 2: Algorithms
    • Identify four key features of a good algorithm.
    • Illustrate the difference between continuous and discrete data
    • Provide suitable data types for storing student names, grades, and letter grades
    • Declare variables for calculating the sum of two numbers.
  • Question 3: Pseudocode algorithm analysis
    • Create a flowchart based on provided pseudocode (regarding weight and year)
    • A woman invests, calculating total investment after 3 years
      • Trace the algorithm
      • Explain how to amend the algorithm to show the investment value at the end of each year

Section B Questions

  • Question 1: Creating a Problem Statement
    • Formulate a problem statement (with specific features) based on a given problem.
  • Question 2: Problem-Solving Techniques
    • Identify three problem-solving techniques and discuss their application to a problem statement.
  • Question 3: Algorithm Representation
    • Describe one method for representing an algorithm.

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Prepare for your December 2023 exam in Introduction to Problem Solving and Computing. This exam covers critical topics in computing and problem-solving strategies, including array assessments. Make sure to review the exam structure and necessary materials to ensure success.

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