Yes, it refers to each page being 4096 bytes (4*1024). Are they considering 4 bytes (per word), OR 4 bytes means it has 4*1024 words which each word having some size say 4 bytes? It can be smaller on 32 bit processors, but normally a word is 32 bits or 4 Bytes.

What is a page size in memory?

With computers, page size refers to the size of a page, which is a block of stored memory. Page size affects the amount of memory needed and space used when running programs. … This feature allows it to calculate the most efficient use of memory while running that program.

Why is page size 4kb?

Abstract: A 4 KB page size has been used for Virtual Memory since the sixties. Choosing a page size is finding the middle ground between several factors. … On the one hand, a smaller page will reduce fragmentation; thus saving memory space.