Higher Software Development Subprograms and Parameters

State a formal parameter from this code

State an actual parameter from this code

"When a subprogram requires to change the variable so a pointer to the address in memory is passed in" is a description of

• Passing by reference

• Passing by value

• Formal parameter

• Actual parameter

"When a subprogram will not change the variable so a copy of the original variable is passed in" is a description of

• Passing by reference

• Passing by value

• Formal parameter

• Actual parameter

"A parameter as it is defined within a subprogram" is a description of

• Passing by reference

• Passing by value

• Formal parameter

• Actual parameter

A variable that is only valid in one subprogram is

• local

• global

A variable that is accessible through the whole program is

• local

• global