This preview shows pages 1–3. Sign up to view the full content.
ECE190 Exam 1, Spring 2009
Tuesday 17 February
•
Be sure that your exam booklet has 10 pages.
•
The exam is meant
to be taken apart!
•
Write your name on top of each page.
•
This is a closed book exam.
•
You may not use a calculator.
•
You are allowed one 8.5” x 11” sheet of handwritten notes.
•
Absolutely no interaction between students is allowed.
•
Challenging problems are marked with ***.
•
Show all of your work.
•
Don’t panic, and good luck!
Problem 1
14 points
______________________
Problem 2
14 points
______________________
Problem 3
14 points
______________________
Problem 4
20 points
______________________
Problem 5
18 points
______________________
Problem 6
20 points
______________________
Total
100 points
______________________
Name:
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
____________________________________________
2
Problem 1
(14 points): Short Answers
Please answer concisely.
If you find yourself writing more than a few words or a simple drawing, your
answer is probably wrong.
Part A
(2 points): Convert the decimal number 41 to hexadecimal
Part B
(2 points): What is the value of the hexadecimal number x30 in decimal?
Part C
(3 points): In 10 words or less, explain what the following instruction does.
0000 1111 1111 1111
*** Part D
(7 points): In what case would a 32bit 2’s complement integer comparator correctly
compare two floating point numbers in IEEE floating point format? When would it not? You may ignore
the case when the exponent is 11111111 or 00000000. Note: an integer comparator takes two integers and
determines which one is greater.
IEEE floating point:
This is the end of the preview. Sign up
to
access the rest of the document.
 Spring '08
 Hutchinson

Click to edit the document details