Breaking logical memory into blocks of the same size is called as :

Explanation:

Option (d) Pages is the correct answer. In memory management, paging is a scheme where logical memory (the virtual address space) is divided into fixed-size blocks called pages. These pages are then mapped to physical memory blocks called frames. Option (a) Frames are the physical memory blocks, not logical. Option (b) Segments are variable-sized blocks used in segmentation, another memory management technique. Option (c) Packets are units of data used in network communication, unrelated to memory management blocks.