• 1A variable is a named place in memory that stores a value which can change while a program runs, while a constant stores a value that never changes.
• 2Common data types include integer for whole numbers, real or float for decimal numbers, string for text, boolean for true or false values, and character for a single letter or symbol.
• 3Input allows a program to receive data from a user, often using a keyword like INPUT, while output displays information to the user, often using a keyword like PRINT.
• 4Selection uses IF statements to make decisions, running different code depending on whether a condition is true or false, while iteration uses loops to repeat instructions.
• 5Arrays or lists store multiple related values under a single name, and subprograms, such as procedures and functions, let programmers reuse blocks of code.

• Multiple choice×4
• True / False×1

Different question types help you think in different ways.