Help me please.. Velocity is defined as a
and a?

A) speed, direction

B) change, direction

C) speed, acceleration

D) change, acceleration

Internal fragmentation occurs when the last allocation unit is not full. External fragmentation occurs when space is wasted between two allocation units. In a paging system, the wasted space in the last page is lost to internal fragmentation.

In a paging system where fixed size of pages are allocated to the program and last partition of the program may not require entire page.

In a pure segmentation system where memory is not contiguously allocated in fixed partition leading to unused memory blocks.

Explanation: