Digital System Design

by | Feb 28, 2018 | Technology

Combinational logic circuits are circuits whose outputs depend only on the present value of their inputs. The lecture on “Combinational Logic Design” introduced you to some of the common combinational logic circuits.
For your second project, you are required to Design, Implement, and Test an 8-bit Arithmetic Logic Unit or ALU. By using VHDL (Use block diagram shown below

Recommended Design Procedure:
1. Find the number of input variables and the number of required output variables. Assign them meaningful names.
2. Create a truth table that defines a relationship between inputs and outputs.
3. List the operations (Choose any Five Arithmetic and Logic Functions, in which Shifting and Comparator should be included) that you will be implementing – the more the better 4. Draw the logic diagram.
5. Implement your design using VHDL
6. Test your design by creating a test bench

Give a brief discussion of the theory of operation, including schematics and equation used, etc. This is of importance for the design oriented labs and mini-projects. You should also explain the schematics involved in your design.

4. Experimental results: (70 pts including the section on “Theory of Operation”) • Brief description of the lab experiment.
• Schematics of the circuit (from Xilinx schematic entry tool). Put your name and date on each page.
• Simulated waveform.
• Discussion of the results indicating that the circuit functions properly. It is not good enough to just give the simulated waveform. It is up to you to show that this waveform corresponds to what you expect (do not say “the simulation shows that the circuit works properly”). You need to make it clear to the reader that the circuit works properly! One convenient way is to use some of the entries in the truth table in your test bench, indicating that for each entry/input the corresponding values/outputs given by the logic simulator correspond to what is displayed in the table.

Sample solution

Dante Alighieri played a critical role in the literature world through his poem Divine Comedy that was written in the 14th century. The poem contains Inferno, Purgatorio, and Paradiso. The Inferno is a description of the nine circles of torment that are found on the earth. It depicts the realms of the people that have gone against the spiritual values and who, instead, have chosen bestial appetite, violence, or fraud and malice. The nine circles of hell are limbo, lust, gluttony, greed and wrath. Others are heresy, violence, fraud, and treachery. The purpose of this paper is to examine the Dante’s Inferno in the perspective of its portrayal of God’s image and the justification of hell. 

In this epic poem, God is portrayed as a super being guilty of multiple weaknesses including being egotistic, unjust, and hypocritical. Dante, in this poem, depicts God as being more human than divine by challenging God’s omnipotence. Additionally, the manner in which Dante describes Hell is in full contradiction to the morals of God as written in the Bible. When god arranges Hell to flatter Himself, He commits egotism, a sin that is common among human beings (Cheney, 2016). The weakness is depicted in Limbo and on the Gate of Hell where, for instance, God sends those who do not worship Him to Hell. This implies that failure to worship Him is a sin.


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God is also depicted as lacking justice in His actions thus removing the godly image. The injustice is portrayed by the manner in which the sodomites and opportunists are treated. The opportunists are subjected to banner chasing in their lives after death followed by being stung by insects and maggots. They are known to having done neither good nor bad during their lifetimes and, therefore, justice could have demanded that they be granted a neutral punishment having lived a neutral life. The sodomites are also punished unfairly by God when Brunetto Lattini is condemned to hell despite being a good leader (Babor, T. F., McGovern, T., & Robaina, K. (2017). While he commited sodomy, God chooses to ignore all the other good deeds that Brunetto did.

Finally, God is also portrayed as being hypocritical in His actions, a sin that further diminishes His godliness and makes Him more human. A case in point is when God condemns the sin of egotism and goes ahead to commit it repeatedly. Proverbs 29:23 states that “arrogance will bring your downfall, but if you are humble, you will be respected.” When Slattery condemns Dante’s human state as being weak, doubtful, and limited, he is proving God’s hypocrisy because He is also human (Verdicchio, 2015). The actions of God in Hell as portrayed by Dante are inconsistent with the Biblical literature. Both Dante and God are prone to making mistakes, something common among human beings thus making God more human.

To wrap it up, Dante portrays God is more human since He commits the same sins that humans commit: egotism, hypocrisy, and injustice. Hell is justified as being a destination for victims of the mistakes committed by God. The Hell is presented as being a totally different place as compared to what is written about it in the Bible. As a result, reading through the text gives an image of God who is prone to the very mistakes common to humans thus ripping Him off His lofty status of divine and, instead, making Him a mere human. Whether or not Dante did it intentionally is subject to debate but one thing is clear in the poem: the misconstrued notion of God is revealed to future generations.

 

References

Babor, T. F., McGovern, T., & Robaina, K. (2017). Dante’s inferno: Seven deadly sins in scientific publishing and how to avoid them. Addiction Science: A Guide for the Perplexed, 267.

Cheney, L. D. G. (2016). Illustrations for Dante’s Inferno: A Comparative Study of Sandro Botticelli, Giovanni Stradano, and Federico Zuccaro. Cultural and Religious Studies, 4(8), 487.

Verdicchio, M. (2015). Irony and Desire in Dante’s” Inferno” 27. Italica, 285-297.

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