Final answer:
The truth of the statement that 'one input configuration runtime model exists in memory for each file' is contingent on the programming context; different files may require unique configurations or share a common one if their formats and processing requirements are the same.
Step-by-step explanation:
The statement that one input configuration runtime model exists in memory for each file is somewhat ambiguous and depends on the context in which it is used. Generally, input configuration refers to the settings and parameters that a program uses when reading data from a file. It is possible for a program or system to have different input configurations for various files, especially if they require different handling. However, a single input configuration might be applied to multiple files if they share the same format and the program processing them does not require unique settings for each. Therefore, without more context, it cannot be determined as strictly true or false.
In cases where different files necessitate distinct settings and parameters, multiple input configurations may coexist in memory. On the other hand, if files share the same format and processing requirements, a single input configuration might be sufficient for all of them. The accuracy of the statement is contingent on the level of customization needed for each file's processing.