Programming with Microsoft Visual Basic 2017
Programming with Microsoft Visual Basic 2017
8th Edition
ISBN: 9781337102124
Author: Diane Zak
Publisher: Cengage Learning
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Chapter 3, Problem 3MQ3

Explanation of Solution

TryParse method:

  • The method TryParse() is used to convert text to the numeric data type.
  • If the text cannot be converted to the appropriate data type, then the method assigns the value 0 to the corresponding variable.

Syntax:

DataType.TryParse(text, variable)

Given statement:

  'Convert the input value to decimal and  

  'then store the result in the decTax variable

  txtTax.Text = 6.89;

Decimal...

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Refer to page 80 for problems on white-box testing. Instructions: • Perform control flow testing for the given program, drawing the control flow graph (CFG). • Design test cases to achieve statement, branch, and path coverage. • Justify the adequacy of your test cases using the CFG. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440 AZF/view?usp=sharing]
Refer to page 10 for problems on parsing. Instructions: • Design a top-down parser for the given grammar (e.g., recursive descent or LL(1)). • Compute the FIRST and FOLLOW sets and construct the parsing table if applicable. • Parse a sample input string and explain the derivation step-by-step. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]
Refer to page 20 for problems related to finite automata. Instructions: • Design a deterministic finite automaton (DFA) or nondeterministic finite automaton (NFA) for the given language. • Minimize the DFA and show all steps, including state merging. • Verify that the automaton accepts the correct language by testing with sample strings. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440AZF/view?usp=sharing]

Chapter 3 Solutions

Programming with Microsoft Visual Basic 2017

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