A3 - School Information Technology Atkinson Faculty of...

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School Information Technology Atkinson Faculty of Liberal and Professional Studies - York University ITEC 1000: Introduction to Information Technologies Winter 2008 Assignment #3 Student Id: 206800700 Student last name: Akram Student first name: Jibran Due Date: March 27, 2008 via e-mail to itec1000@gmail.com only. Textbook Reading: Chapters 7, 9, 10. The total number of points for this assignment is 100. This Assignment is worth five percent (5%) of the total final grade. Exercise 7.2 (20 points) Suppose that the following instructions are found at the given locations in memory; 20 LDA 50 21 ADD 51 50 724 51 006 a. Show the contents of the IR, the PC, the MAR, the MDR, and A at the conclusion of instruction 20 PC MAR MDR IR A PC MAR 20 20 000 000 000 MDR IR 20 20 550 550 000 IR[address] MAR 20 50 550 550 000 MDR A 20 50 724 550 724 PC + 1 PC 21 50 724 550 724 b. Show the content of each register as each step of the fetch-execute cycle is performed for instruction 21 PC MAR MDR IR final value for IR = 151
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A3 - School Information Technology Atkinson Faculty of...

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