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數位系統設計期末考:題目&解答1/7更新

1、寫出任2種邏輯組合裝置的邏輯電路。

2畫出SR正反器邏輯圖之符號功能表。
 
3、完成JKSRTD四種增值表和激勵表。
解答:    增值表                                            激勵表

S RQ (t+1)                            Q (t) Q (t+1)S R

 0 0 Q (t)                                     0  0       0 x

 0 1  0                                          0  1      1 0

 1 0  1                                         1  0       0 1

 1 1  x                                         1  1       x 0

 

J KQ (t+1)                             Q (t) Q (t+1)J K

0 0 Q (t)                                            0  0  0 x

0 1  0                                                0  1  1 x

1 0  1                                                1  0  x 1

1 1 Q (t)                                            1  1  x 0

 

 T Q (t+1)                            Q (t) Q (t+1) T  

 0 Q (t)                                           0  0  0

 1 Q (t)                                           0  1  1

                                                          1  0  1

                                                          1  1  0

 

 D Q (t+1)                           Q (t) Q (t+1) D  

  0 0                                              0  0  0

  1 1                                              0  1  1

                                                         1  0  0

                                                         1  1  1


4、畫出計數器五個狀態『3→0→6→4→1』之狀態圖、激勵表、組合電路。
解答:

 

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