EE319K Fall 2006 Quiz 1
Solution A
Page 1
Jonathan W. Valvano
01000001
September 29, 2006
10:00am10:50am
First:_________________
Last:_____________________
This is a closed book exam. You must put your answers on this piece of paper only. You have
50 minutes, so allocate your time accordingly.
Please read the entire quiz before starting.
(5) Question 1.
Give the hex value….…
90 =
128+32+4+2
= %10100110 =
$A6
(5) Question 2.
Specify
0
or
1
….….….….
50210 = 160, doesn’t fit into 0 to 255
C=1
(5) Question 3.
Specify
0
or
1
….….….….
50+ 60 = 10, does fit 128 to +127
V=0
(5) Question 4.
Specify AH ….……..….
Precision is 101 alternatives, signed
A
) 8bit signed fixedpoint,
Δ
= 0.1
(5) Question 5.
Show the equation….
Divide last to reduce dropout
Z = (123*X – 660*Y + 500)/1000
(5) Question 6.
Show the machine code….
$62,$70
(5) Question 7.
How many binary bits?
.......
3½ decimal digits is 2000 alternatives
2048 is
11 binary bits
(5) Question 8.
Specify values.……..….
RegA=$56
RegX = $1234
(10) Question 9.
Simplified memory cycles (you may or may not need all 5 entries)
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 Spring '08
 BARD
 Binary numeral system, Input/output, A Closed Book, ldaa DDRT, PT6 input

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