True / false
some versions of the von neumann model include the stored program concept, but not all of them.

True

Explanation:

The Von Neumann model is based on the concept of stored program where both of the program and instruction data are stored in the same electronic memory. Though it is still used in many models but due to the Von Neumann bottleneck we have the introduction of the secondary memory.

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answerrandom access memory (ram);