A software engineer is writing a subroutine calculate_trajectory() that is called multiple times within a drone flight simulation. They choose to declare the variables representing intermediate velocity coordinates as local variables within the subroutine rather than as global variables.
State one property of local variables that makes them more appropriate than global variables for this purpose.
131 exam-style questions on AQA GCSE Computer Science Structured programming and subroutines (procedures and functions). Each one has a worked solution and a mark scheme showing where the marks go.