Strings Quiz for Grade 6 Computer Science

📚 Quick Study Guide

• 🔤 A string is a sequence of characters (letters, numbers, symbols)
• ✂️ Strings are used to represent text in computer programs.
• 🔗 Strings can be combined using concatenation (adding them together).
• 📏 The length of a string is the number of characters it contains.
• ✨ Strings are always enclosed in quotation marks (e.g., "Hello", 'World').

Practice Quiz

1. What is a string in computer science?
   1. A type of number.
   2. A sequence of characters.
   3. A mathematical formula.
   4. A type of computer.
2. Which of the following is a valid string?
   1. 12345
   2. Hello World
   3. "Hello World"
   4. Hello
3. What is the process of joining two strings together called?
   1. Subtraction
   2. Addition
   3. Concatenation
   4. Division
4. How do you find the length of a string?
   1. Count the number of words.
   2. Count the number of characters.
   3. Multiply the characters.
   4. Divide the characters.
5. Which of these symbols is used to enclose a string?
   1. {}
   2. ()
   3. []
   4. ""
6. What will be the output of the following code? `"Hello" + "World"`
   1. "Hello"
   2. "World"
   3. "HelloWorld"
   4. Error
7. Which of the following is NOT a character that can be part of a string?
   1. Letter
   2. Number
   3. Symbol
   4. Operating System