GCSE Working with strings

What is the significance of string manipulation in programming?

• It allows for the creation of complex algorithms
• It is essential for data validation and formatting
• It increases the speed of data processing
• It eliminates the need for user input

Why is string manipulation important in programming?

• It is essential for data validation and formatting
• It allows for the creation of new programming languages
• It eliminates the need for user interaction
• It increases the complexity of algorithms

What is the primary purpose of string manipulation in programming?

• To create new data types
• To manipulate, extract, or change characters in a string variable
• To increase the speed of the program
• To convert strings into numbers

In string manipulation, what does the command isalnum check for?

• If the string is empty
• If all characters are either alphabetic or digits
• If all characters are digits
• If the string contains any special characters

When formatting names, what is a common requirement for the first letter?

• It must be removed
• It must be replaced with a number
• It must be capitalized
• It must be in lowercase

What is a real-world application of string manipulation in search engines?

• To create new search algorithms
• To store user data securely
• To extract numbers and units from user input strings
• To convert user queries into images

Why might train station names need to be abbreviated in programming?

• To fit them on printed tickets
• To make them easier to pronounce
• To convert them into numerical codes
• To enhance their visibility

What does the length command return when applied to a string?

• The number of words in the string
• The number of characters in the string
• The first character of the string
• The last character of the string

What is the main difference between the find and index commands?

• Both commands return the same result
• Find is used for numbers, index is used for letters
• Index returns the first occurrence, find raises an error if not found
• Find returns the first occurrence, index raises an error if not found

What is the primary function of the string manipulation command 'find'?

• To split a string into a list
• To replace a substring with another substring
• To return the index position of the first character of a substring
• To check if all characters are alphabetic