본문/내용
REPORT
디지털 공학
-4비트 제곱기 설계
4BIT 제곱기 설계
(1) 블록도
4 A Y1
B ? 8
입 C ? 출
력 D ? 력
bit ? bit
Y7
(2) 진리표
입력
출력
A
B
C
D
수
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
값
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
0
0
1
0
2
0
0
0
0
0
1
0
0
4
0
0
1
1
3
0
0
0
0
1
0
0
1
9
0
1
0
0
4
0
0
0
1
0
0
0
0
16
0
1
0
1
5
0
0
0
1
1
0
0
1
25
0
1
1
0
6
0
0
1
0
0
1
0
0
36
0
1
1
1
7
0
0
1
1
0
0
0
1
49
1
0
0
0
8
0
1
0
0
0
0
0
0
64
1
0
0
1
9
0
1
0
1
0
0
0
1
81
1
0
1
0
10
0
1
1
0
0
1
0
0
100
1
0
1
1
11
0
1
1
1
1
0
0
1
121
1
1
0
0
12
1
0
0
1
0
0
0
0
144
1
1
0
1
13
1
0
1
0
1
0
0
1
169
1
1
1
0
14
1
1
0
0
0
1
0
0
196
1
1
1
1
15
1
1
1
0
0
0
0
…
…