1
CPU
2
ALU
3
CACHE
4
BUS
5
MEMORY
6
REGISTERS
7
ARCHITECTURE
8
MICROPROCESSOR
9
HARDWARE
10
SOFTWARE
11
DATA
12
OPERATINGSYSTEM
13
INPUT
14
OUTPUT
15
RAM
16
ROM
17
BOOTLOADER
18
MOTHERBOARD
19
HEATSINK
20
FAN
O
E
N
Q
B
R
O
M
E
A
F
E
H
A
D
O
P
E
E
L
O
M
P
Y
L
R
O
E
A
O
H
A
E
E
L
A
O
R
F
U
D
U
A
C
D
M
A
D
R
R
E
O
T
T
F
A
T
T
O
I
O
M
R
A
A
M
B
C
L
G
T
P
S
D
E
T
P
E
D
E
T
E
U
C
O
A
U
I
Q
J
H
S
A
M
W
T
I
J
S
A
A
T
N
E
E
E
A
W
I
I
A
B
N
P
R
C
D
K
R
S
R
X
P
H
U
I
R
H
G
Y
H
H
E
Y
T
B
I
C
G
L
O
F
E
U
S
A
O
E
R
W
O
R
W
I
V
W
A
R
R
G
Y
F
A
N
S
A
M
I
C
R
O
P
R
O
C
E
S
S
O
R
R
E
G
I
S
T
E
R
S
Q
B
C
T
E
O
D
U
I
E
S
O
F
T
W
A
R
E
P
E
B
O
R
Y
L
F
E
B
I
N
P
U
T
E
U
M