sp10-sw-e3 - ECE 2030 A 10:00am 4 problems 5 pages Computer...

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ECE 2030 A 10:00am Computer Engineering Spring 2010 4 problems, 5 pages Exam Three 21 April 2010 Instructions: This is a closed book, closed note exam. Calculators are not permitted. If you have a question, raise your hand and I will come to you. Please work the exam in pencil and do not separate the pages of the exam. For maximum credit, show your work. Good Luck! Your Name ( please print ) ________________________________________________ 1 2 3 4 total 30 25 30 15 100 1
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ECE 2030 A 10:00am Computer Engineering Spring 2010 4 problems, 5 pages Exam Three 21 April 2010 Problem 1 (3 parts, 30 points) Memory Systems Part A (10 points) Consider a 256 Mbit DRAM chip organized as 32 million addresses of one byte words . Assume both the DRAM cell and the DRAM chip is square. The column number and offset concatenate to form the memory address. Using the organization approach discussed in class, answer the following questions about the chip. Express all answers in decimal . number of columns column decoder required ( n to m ) type of mux required ( n to m ) number of muxes required number of address lines in column number number of address lines in column offset Part B (10 points) Consider a one Gbyte memory system with 128 million addresses of eight byte words using DRAM chips organized as 16 million addresses by 16 bit words. word
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This note was uploaded on 08/23/2010 for the course EE 2030 taught by Professor Wills during the Spring '10 term at Georgia Tech.

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sp10-sw-e3 - ECE 2030 A 10:00am 4 problems 5 pages Computer...

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