This study notes covers OCR String Operations within String Handling for GCSE Computer Science. Revise String Handling in Programming for GCSE Computer Science with 15 exam-style questions and 8 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 3 of 6 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 6
Practice
15 questions
Recall
8 flashcards
OCR String Operations
| Operation | Pseudocode | Example | Result |
|---|---|---|---|
| Length | string.length | "Hello".length | 5 |
| Substring | string.substring(start, length) | "Hello".substring(0, 2) | "He" |
| Uppercase | string.upper | "Hello".upper | "HELLO" |
| Lowercase | string.lower | "Hello".lower | "hello" |
| Concatenation | string1 + string2 | "Hi" + " " + "there" | "Hi there" |
| ASCII conversion | ASC(char), CHR(code) | ASC("A"), CHR(65) | 65, "A" |