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2017年福建师范大学光电与信息工程学院647电子技术基础之电子技术基础-数字部分考研导师圈点必考题汇编

  摘要

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2017647-

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1

ROM 2ROM

7-3

4

ROM

2 D 1D 11F 3D 10, F /

D

D

D

D 000111,

000111.

/

F

3 4:

11010+001120011-1010.

1101001010, 001100011

011010,

2001100011

10110

110011101110111

4 3:

1

2

3

Y "1" " 0" Z "1" "0" :

1Y Z A B ; C D "1" "0"

2Y Z

y Z "1" "0"

a b 8=4+4

2Y Z :