A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

A
E
I
O
U
B
CH
D
F
G
K
L
M
N
P
R
S
SH
ST
T
TH
VXW
Y
Z

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

Photo of dual monitors

Rochelle Hartman / CC BY-SA

Dis forDual

Dual is anything relating to two things. The picture is of a dual monitor setup.