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String handling operations in a programming language

String handling operations in a programming language

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Question 1

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)?

A

121212

B

131313

C

151515

D

161616

Markscheme

String handling operations in a programming language Questions

  1. GCSE
  2. /Computer Science
  3. /String handling operations in a programming language

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.

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