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Unit3 Essay

531 words - 3 pages

Assignment #3
Tajuan Akins
Kaplan University Online
IT 332 Principles of Information Systems Architecture
June 2, 2014

I attest that this is my original work.

I have not used unauthorized source of information - including paid sites/services - either modified or unmodified.

I attest that the only source of information used in the development of this project has been retrieved from the course textbook and those sources listed within the documentation that is being provided as part of this assignment.

I have not given other fellow student(s) access to my code, script, diagram, etc., in any form.

Part 1. Project Definition
Instruction set architecture (ISA) describes the processor in terms of what the assembly language programmer sees the instructions and registers. All computer ...view middle of the document...

Memory-access instructions are those that transfer data between registers and memory. The CPU carries out the instructions that it finds in the computer’s memory. In order to carry out the task, the CPU must first transfer the instruction from memory into one of its registers. . (Johnson, 2014)
Part 2. Requirements Collection
The address bus and directional bus, i.e. information can only travel along it in a single direction, from the CPU to memory and other devices. The MAR register is a 16-bit register like all the other SAM registers. This means that the maximum address it can contain is 216 - 1 (65,535) bytes, i.e. it can address up to 64Kb of memory. The MDR register is used either to store information that is to be written to memory or to store information that has been read from memory. The MDR register is connected to memory via the data bus whose function is to transfer information, to or from memory and other devices. (Johnson, 2014)
Part 3. Requirements Document
The data bus is a bi-directional bus, i.e. information can travel along it, both, to and from the CPU. The control bus plays a crucial role in I/O. It carries control signals specifying what operation is to be carried out and to synchronize the transfer of information.
Part 4. Conclusion (Reflection)
A computer’s dashboard can be trained to recognize certain patterns of color and shapes. For example, a computer might be trained to recognize the common patterns of shapes and colors that make up a digital image of a face.


Englander, I. S. (2009). The architecture of computer hardware, systems software, and networking: An information technology approach. (4th ed.). Secaucus, NJ: J Wiley. Retrieved from Google Scholar
Johnson, W. (2014, March 13). System and method for alerting a first mobile data processing system nearby a second mobile data processing system. Retrieved from

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