Final answer:
A page is a fixed-size portion of a program's address space, while a segment is a variable-size portion of a program's address space. A page is used in a paged memory management system, while a segment is used in a segmented memory management system.
Step-by-step explanation:
A page is a fixed-size portion of a program's address space, while a segment is a variable-size portion of a program's address space
A page is used in a paged memory management system to divide a program into fixed-size units for efficient memory allocation and management
A segment is used in a segmented memory management system to divide a program into variable-size units based on logical units of the program.