In a certain programming language, string handling functions are defined as follows:
substring(start, length, string) returns a substring of length length starting at the 0-based index start.len(string) returns the total number of characters in the string (including spaces).+ is the string concatenation operator.Consider the following code segment:
title ← "Web Development"
tag ← "Code"
id ← substring(4, 11, title) + "_" + tag
What is the value returned by len(id)?
121212
131313
151515
161616
89 exam-style questions on AQA GCSE Computer Science String handling operations in a programming language. Each one has a worked solution and a mark scheme showing where the marks go.