Review
View
ACROBAT
Design
Layout
Paragraph
AaBbCcDc AaBbCcDc AaBbCc AaBbCcc AaB AaBbCcc AaBbCc
1 Normal 11 No Spac... Heading 1 Heading 2 Title Subtitle Subtle Em
Styles
correct answer. If it does not, ASK FOR HELP and correct your answer.
Inputs
Outputs
FUNCTION
A(3..0) B(3..0) S(3..0) CN M E(3..0) Cn+4
example 4+10 (addition)
0100 1010 1001 0 0 1110 0
a)
15+3 (addition)
b)
11-10 (Subtraction)
1
Hint: Carry adds 1
c)
13-1 (decrement)
d)
NOT A when A=12
e)
NOT B when B=7
f)
A and B
A=8, B=2
g)
A or B
A=2, B=5
h)
A+B (addition)
A=2, B=14
i)
A=12 B=6
j)
A=4 B=13
For i-j: pick 2 more functions that HAVE NOT BEEN USED and perform those
functions. Make sure you type in the function you selected into the first column (A
and B are given, but you can select a function that uses only one of the values if yo
wish).
The ALU also is responsible for comparisons. When placed in SUBTRACT MOD
(A MINUS B MINUS 1) and the Cin is low (before being inverted), the A=B outr
DELL
