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197 Pages
KD7064 Optical Communications System

Question: You should only answer the number of questions required above. If you answer more than this, your answers will be marked in the order they appear in your answer sheets, up to and including ...

Course

KD7064

Type

Programming

Subject

Electronics

University

Northumbria University

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CS5050 Adaptive Interactive Systems

Question: From material covered during lectures, lab exercises and examples, and your own further reading you are to complete the following tasks: 1. You will be supplied with a solution of the 2R p ...

Course

CS5050

Type

Programming

Subject

Electronics

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spring

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Electronic And Software Aspects

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Electronics

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Course

ENG301

Subject

Electronics

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Singapore University of Social Sciences

Season

Fall

Management

Question

Answered

subject-Computer Organisation and Architecture Assignment : Data Representation & Digital Logic Value: 15% Due date: 08-Sep-2017 Task Total marks: 30 Answer the following Questions Question 1 a) A Computer uses IEEE-754 single precision format to represent floating points. What value (in decimal) the computer represents if the floating point is represented using the following binary digits: [6 marks] 0 01111110 10100000000000000000000 b) Using a "word" of 5 bits, list all of the possible signed binary numbers and their decimal equivalents that are represent able in: [3+3+3 = 9 marks] i. Signed magnitude ii. One's complement iii. Two's complement Question 2 a) Write a Boolean function and construct a logic diagram of a circuit which use of basic logic gates to activate CSU main entrance door during 9:00 am to 12:00 pm and after lunch time during 1:00 pm - 4:00 pm. You need to use 24 hour clock timing when designing this circuit. [9 marks] Please insert the Boolean expression, minimisation, and the diagram b) Using basic Boolean algebra identities for Boolean variables A, B and C, prove that X’Y + XYZ’ + Y’ + XZ (Y+Y’) = 1. Please show all steps and mention the identities used. [6 marks] Rationale This assessment task covers topic 2 and 3, and has been designed to ensure that you are engaging with the subject content on a regular basis. More specifically it seeks to assess your ability to: be able to apply an understanding of data representations and calculations to practical situations; be able to apply Boolean algebra and digital logic to design and interpret complex digital circuits; Marking criteria Criteria HD (85%-100%) DI (75%-84%) CR (65%-74%) PS (50%-64%) FL (0%-49%) Comprehension of data representation and application of computer math calculations All calculations were correct. Appropriate mathematical symbols were used, and all steps/workings were shown. Almost all Calculations were correct except a minor error. Most of the calculations are correct. However, few steps were omitted. The method used to solved the problem were correct, but there were one or two miscalculations. At least half of the calculations were correct. Some incorrect answers were the result of errors at some stage of the calculation, which propagated with the next steps. Some of the steps showed the basic understanding the numbering system. No attempt or most of the calculations were incorrect. Failed to show the steps of calculation. Either the answers were incorrect or the steps were wrong.. Application of Boolean algebra and digital logic and interpretation of complex circuits The Boolean expressions are correct and minimised. All steps are explained. Correctly mentioned the Boolean identities. All identities were mentioned accurately. Boolean expressions and algebraic calculations were correct, however few steps were not shown or only minor error. Few minor error in applying the Boolean identities. Could reduce the number of logic gates, but not as much required by the question. More than half of the Boolean expressions were correct. Applied Boolean identities but could not reach to the final step. The Boolean equation, logic diagram and the truth tables were incorrect and they do not conform to the question. Presentation 1. Please compose the answers in a document file (doc or docx format). Please do not submit in pdf formats. Please upload the document in the Turnitin within deadline. 2. The first page (cover page) of the document file should have the following information clearly mentioned: a. Your full name b. Your Student ID c. Subject Code (ITC544) d. Assessment item number and name (Assignment 1: Data Representation and Digital Logic) 3. Each page should have page numbers in “page x of y” format (including the cover page). 4. You DO NOT need to provide any references for any of the questions.

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Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

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