Question 1: Write a short program in pseudocode that takes a string input and prints the same string with all vowels removed.

Answer: Input: 'example' Output: 'xmpl' Pseudocode: READ inputString SET vowels = ['a','e','i','o','u'] SET result = '' FOR each character in inputString: IF character (lowercase) NOT IN vowels: result = result + character PRINT result

Question 2: Given the string 'Programming', what is the result of extracting the substring from position 0 to 4 (inclusive)?

Answer: 'Progr'

Question 3: Write a function in pseudocode that takes a string and returns the string with its characters in reverse order.

Answer: Function reverseString(inputString): result = '' FOR i from length of inputString - 1 down to 0: result = result + inputString[i] RETURN result Example: reverseString('hello') returns 'olleh'

Question 4: Explain what the following code does: 'str = 'Hello'; str = str + ' World';'

Answer: It creates a string 'Hello', then appends ' World' to it, resulting in 'Hello World'.

Question 5: Complete the following sentence: In string manipulation, the method that finds the position of the first occurrence of a specific character or substring is called __________.

Answer: indexOf or find

Question 6: Describe how you would check if a string contains the word 'Python' in pseudocode.

Answer: READ inputString IF inputString contains 'Python': PRINT 'Contains Python' ELSE: PRINT 'Does not contain Python'

Question 7: Draw a flowchart illustrating the logic for checking if a given string is a palindrome (reads the same forwards and backwards). Label the start, decision, and end points clearly.

Answer: A correct flowchart would start with an input step, then compare the string to its reverse, with a decision point leading to 'Yes' (print 'Palindrome') or 'No' (print 'Not Palindrome'), and then end.

Question 8: Write pseudocode to replace all occurrences of the letter 'a' in a string with '@'.

Answer: Input: originalString result = '' FOR each character in originalString: IF character == 'a': result = result + '@' ELSE: result = result + character PRINT result

Question 9: What will be the output of the string operation: 'Hello'.substring(1,4)?

Answer: 'ell'

Question 10: Sketch a simple diagram to illustrate how concatenating two strings works in programming. Label the two input strings and the resulting combined string.

Answer: A correct sketch would show two boxes labeled 'String 1' and 'String 2' pointing to an arrow that leads to a third box labeled 'Concatenated String', which contains the combined text.

Question 11: Explain the difference between the 'length' property of a string and the 'substring' method.

Answer: The 'length' property returns the number of characters in a string. The 'substring' method extracts a part of the string from a specified start index to an end index.