What is the memory limitation of a COM program?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter2: Introduction To Systems Architecture
Section: Chapter Questions
Problem 13RQ: How can a computer system be tuned to a particular application?
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What is the memory limitation of a COM program?

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COM program:

  • It is a transient program, i.e., an unmodified binary image of the machine language program. It is a single segment MS-DOS program.
  • It is loaded into memory by MS-DOS at the lowest available space.
  • A PSP is created at the offset 0.
  • The stack, code, and data are stored in the same logical (or physical ) segment.
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