Scavenger Hunt: Two pioneers of early computers and computer organization were H

Question

Scavenger Hunt: Two pioneers of early computers and computer organization were Howard H. Aiken and John von Neumann. Answer the questions below regarding Aiken and von Neumann. Cite sources used for your answers. a. Is Aiken or is von Neumann associated with the so-called Princeton architecture? b. Is Aiken or is von Neumann associated with the so-called Harvard architecture? c. What is the key feature of a Princeton architecture computer compared to the Harvard architecture? d. Does the MARIE architecture owe more to Aiken or von Neumann? Briefly justify your answer.

Explanation / Answer

a)

Von Neumann is associated with the so-called Princeton architecture.

Princeton architecture is also known as Von Neumann architecture was given by the mathematician and physicist John von Neumann.

b)

Howard H. Aiken is associated with the so-called Harvard architecture and it was given by Howard H. Aiken.

c)

Following are the key feature of a Princeton architecture computer compared to the Harvard architecture:

Princeton Architecture

Harvard Architecture

d)

MARIE architecture owe more to von Neumann.

This is because it is a simple implementation of the von Neumann architecture. MARIE uses a von Neumann architecture with a simple instruction set. The MARIE architecture is a Von-Neumann architecture consisting of a program counter, a memory address register, a memory data register, an instruction register, an accumulator, an input register, and an output register.

Princeton Architecture

Harvard Architecture

1. It has a single memory which is shared by data and code.

1. It has separate memories for code and data.

1. Processor requires two clock cycles, one for fetching the code and another for fetching the data.

1. Processor requires only one clock cycle as it has separate buses to access both data and code.

1. It has simpler Design.

1. It has complex design

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