A non relocatable program is one whicha)Cannot be made to execute in a...
The phases of compiler
1. Lexical
2. Syntax
3. Semantic
4. Intermediate code generation, are all machine dependent phases and are not relocatable.
The together make pass-1 of the compiler. This program hence can not be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
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A non relocatable program is one whicha)Cannot be made to execute in a...
Understanding Non-Relocatable Programs
A non-relocatable program is defined by its inability to execute in any memory area other than the one specified during its creation. This characteristic has significant implications for how such programs interact with the operating system and system memory.
Key Characteristics of Non-Relocatable Programs:
- Fixed Memory Address:
Non-relocatable programs are designed to run at a specific memory address. This means that the program's code and data references are hardcoded into the program itself.
- Limitations on Flexibility:
Because they cannot be moved, these programs are less flexible in terms of resource allocation. If the designated memory area is unavailable, the program cannot execute.
- Contrast with Relocatable Programs:
In contrast, relocatable programs can adjust their address references based on the memory area allocated by the operating system at runtime. This flexibility is essential for efficient memory management.
Implications of Non-Relocatable Programs:
- Resource Management:
Non-relocatable programs can lead to inefficient use of memory, as they require a specific block of memory to be free and available.
- Compatibility Issues:
They may face compatibility issues when run on different systems or configurations since the expected memory allocation might not be available.
In summary, option 'A' accurately describes the nature of non-relocatable programs, emphasizing their fixed nature and limitations in execution. Understanding these characteristics is crucial for software development and system design in the field of Computer Science Engineering.