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String handling operations in a programming language

String handling operations in a programming language

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Question 9

The subroutine SUBSTRING extracts characters from a given string.

For example, SUBSTRING(2, 5, 'Algorithm') would return gori.

Figure 1 shows values assigned to four variables:

country ← 'United Kingdom'
capital ← 'London'
landmark ← 'Stonehenge'
river ← 'River Thames'

The variable z z\,z is assigned a value using the statement:

z←SUBSTRING(5,8,landmark) z \leftarrow \text{SUBSTRING}(5, 8, \text{landmark}) z←SUBSTRING(5,8,landmark)

Using Figure 1, what is the value of zzz?

A

stone

B

heng

C

henge

D

ehen

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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