What isnear pointer

A near pointer refers to a memory address contained within a single segment of an x86 segmented address. Specifically, it represents the offset or bit address within a 16-bit enabled area of computer memory. While near pointers are useful for accessing small amounts of data, they have a limitation in that they can only access data within a maximum size of approximately 64 kb at any given time.

Main Points:

  • Near pointers are used in x86 segmented addressing.
  • They represent memory addresses within a single segment.
  • Near pointers can access up to 16 bits of data.
  • They have a limitation of accessing only around 64 kb of data.

Frequently Asked Questions:

What is the purpose of a near pointer?

The purpose of a near pointer is to provide a way to access data within a limited memory range in x86 segmented addressing.

What is the main drawback of using near pointers?

The main drawback of near pointers is their limitation in accessing only a small amount of data, approximately 64 kb, at any given time.

In conclusion, near pointers are memory addresses within a single segment of an x86 segmented address. While they are limited in accessing small amounts of data, they serve a specific purpose in x86 segmented addressing.

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