# ROMs (B) - Mallard ECE 290 Computer Engineering I Spring...

This preview shows pages 1–2. Sign up to view the full content.

Mallard ECE 290: Computer Engineering I - Spring 2007 - Graded Web. .. https://mallard.cites.uiuc.edu/ECE290/webgrade.cgi?SessionID=mding3. .. 1 of 3 2/23/2007 3:29 PM Graded WebQuiz: ROMs You have submitted this WebQuiz 3 times (including this time). You may submit this WebQuiz a total of 10 times and receive full credit. Question #1 Fill in the ROM truth table for an 8 x 3 ROM that implements the following three Boolean functions: A(x,y,z) = x'z + y' B(x,y,z) = m4 + m1 + m2 C(x,y,z) = (M3 AND M1 AND M5)' For each address xyz, specify the 3-bit word stored at that address. x y z A B C 0 0 0 1 0 0 0 0 1 1 1 1 0 1 0 0 1 0 0 1 1 1 0 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 0 0 0 0 1 1 1 0 0 0 You have filled in all 24 entries in the table correctly. You received a raw score of 100% on this question. Question #2 Suppose you are asked to design an integrated circuit chip for a ROM of size 1024x24 bits. The chip must have two chip select inputs and operate from a 5-volt power supply. How many pins are needed for the IC package? 38

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

### Page1 / 3

ROMs (B) - Mallard ECE 290 Computer Engineering I Spring...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online