String Methods: Length (1 mark)
Identify the operation that would be used to find the number of characters in a string variable ‘username’.
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Questions
Validating Inputs (2 marks)
Explain why it is important for a program to validate user input from the keyboard.
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What is an Input? (1 mark)
Identify what is meant by the term “input” in the context of computer systems.
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Records (4 marks)
Define a record ‘Student’ with the following fields: name (string), age (integer), and grade (character).
1D vs 2D Arrays (3 marks)
Describe how a two-dimensional array differs from a one-dimensional array.
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1D Array Index (2 marks)
Given the following one-dimensional array of integers: numbers
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What is an Array (1 mark)
Explain what an array is in the context of data structures.
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Construct a Boolean Expression (1 mark)
A program includes the following Boolean variables to control its flow: userLoggedIn isAdmin hasPermissions Write a Boolean expression that will be evaluated to True to allow access to the admin panel, considering that access should only be granted if the user is logged in and is either an admin or has permissions.
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Evaluating Boolean Expressions (2 mark)
Consider the following variables: a = True b = False c = True What will be the result of the expression (NOT a) OR (b AND c)?
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Evaluating a Boolean Expression (1 mark)
Write the output of the following Boolean expression: NOT (True AND False)
Evaluating a Boolean Expression (1 mark) Read More »
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