Describe what each of the following string handling functions does, and write a line of pseudocode for each that demonstrates its use: len(string) mid(string, start, length) instring(substring, string)
String Handling Functions (4 marks) Read More »
Write an algorithm in pseudocode to check if a string entered by a user is a palindrome (a word that reads the same backward as forward). Your algorithm should use a subroutine to reverse the string and compare it with the original string to determine if it is a palindrome. Include appropriate self-documenting identifiers.
Subroutines and String Handling (6 marks) Read More »
Explain why random number generation is useful in programming a simple game such as ‘guess the number’.
Random Number Generation (2 marks) Read More »
Explain how concatenation of strings works, and give an example using the variables firstName and lastName to create a fullName.
String Methods: Concatenation (3 mark) Read More »
Given a string variable ‘filePath’ containing the text “C:/User/Docs/Report.docx”, write a statement that uses string handling operations to extract the file extension from ‘filePath’.
String Methods: Substring (2 mark) Read More »
Identify the operation that would be used to find the number of characters in a string variable ‘username’.
String Methods: Length (1 mark) Read More »
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.
Construct a Boolean Expression (1 mark) Read More »
Consider the following variables: a = True b = False c = True What will be the result of the expression (NOT a) OR (b AND c)?
Evaluating Boolean Expressions (2 mark) Read More »
Write the output of the following Boolean expression: NOT (True AND False)
Evaluating a Boolean Expression (1 mark) Read More »
Write a code snippet that uses relational operators to check if the user’s input for a variable score is greater than or equal to 50 but less than 100. Also include a comment explaining what each part of the condition is checking.
Greater and Less Than Operators (4 marks) Read More »
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