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  https://wodewangzhishime.blogspot.com/2022/06/satellite-for-loop.html?m=1 . Ref:  https://chihaukam.blogspot.com/2024/06/blog-post.html?m=1 . .. . . . John: There're 2 pictures above. They are the circuit of inverter.  Which one is correct? Me: Logically, the 1st picture is correct. John: Why? Me: I show it to you in code. John: OK. . If (input side = Up cycle) { NPN = UP cycle and NPN = saturated. PNP = UP cycle and PNP = cut off. The output = 0. } . John: You're wrong. The 2nd picture is correct also.  I show it to you in code. Me: OK. . If ( input side = Up cycle ) { NPN = Up cycle and NPN = saturated. PNP = Down cycle and PNP = saturated. } . Me: When the input side is Up cycle, the gate of PNP is down cycle. It is impossible. John: It is possible.

https://wodewangzhishime.blogspot.com/2022/06/httpswodewangzhishime_46.html?m=1 . Ref: https://wodewangzhishime.blogspot.com/2022/04/httpswodewangzhishime_23.html . . . . John: For example, we have a code of MOV R4, 0101 . The 1st round is to check if there is a cache called R4 in the Cache. . Me: Ok. . John: I assume that. The name of the Cache of R4 is 1111.  . Me: Ok. . John: See the 3rd picture.  We use a series of Xor gate to compare. . Me: Compare is a kind of checking.  . John: Yes,  compare is checking.   If the checking is OK, the Xor gate will output 0.  . Me: Output of 0 from Xor gate means that the name of the Cache of R4 (1111) exist. . John : Yes, finally,  we set the value of the cache of R4 as 0101. Abd then, . 1) The value of the cache of R4 enter a modulator.  2) The modulator output 0101 to the parallel input line.  3) Through the parallel input line,  the value of the data-register of R4 is updated to 0101. 4) Th...

  https://wodewangzhishime.blogspot.com/2022/06/httpswodewangzhishime_10.html?m=1 . Ref: https://kamchihau.blogspot.com/2022/09/different-frequency.html .  . . John: There're many type of protocol of communication . You might have a look .  https://instrumentationblog.com/communication-protocols/ . // . For example, RJ45, I2C, USB, SPI, RS232, so on and on.  Me: Ok. John: We use the protocol of SPI as an example.  Look at the picture above.  The slave of SPI use the clock line of the master. Me: OK. John: Normally, the master of SPI choose the clock line of the system.  However, hacker hack it. It Become, . Subject [Master of SPI] Interrupt [The clock line of RJ45] <---- Originally it is The clock line of the System.  Object [] Value [pending] . John: If there's carrier wave on the clock line of RJ45 of the master, those carrier wave enter the Slave cause the slave use the clock line of RJ45 too.

https://wodewangzhishime.blogspot.com/2022/06/httpswodewangzhishime.html . Ref: https://kamchihau.blogspot.com/2022/10/httpskamchihau_16.html . . . John: See the picture above. Not all the chips have the Left/Right shift line. Left/Right shift line is a field. . For (int i = 0; i<100; i++) { Sum = Sum + i (Right shift) Receiving.  } . __ . For (int i = 100; i>0; i--) { Decrease = decrease - i (Left shift) Sending.  } Subject [I2C] Object [Sum] Interrupt_status [ ] Load_Shift_status [Shift] Left_Right_Shift [ right ] <-- Right shift mean receiving. In the port of SPI, you're not supposed to set it. . Me: The port of I2C is only one line. This one line is used for both receiving and sending. Therefore,  Left/Right Shift line is needed in this case. . John : Other chips doesn't have Left/Right Shift line. . Me: Right shift mean receiving in the port of I2C.  Left shift mean sending in the port of I2C. . John : Spi port has 2 line. One is for receiving.  On...

https://wodewangzhishime.blogspot.com/2022/05/httpswodewangzhishime_13.html . Ref: https://wodewangzhishime.blogspot.com/2021/10/httpswodewangzhishime_61.html . John : Miuson is the person in this link.  https://johnchihau.blogspot.com/2026/04/blog-post.html?m=1 Me: Ok. . John: 2014, Kelvin use the poison to kill my father in the hospital. Guess what happen ? . . Kelvin : I killed John's father.  You do me a favour.  You help me to  provoke John . . Mary (the public relation of the hospital): How do I provoke John ? . Kelvin: You give a phone-call to John. You pretend to feel pity and pretend to sob and say to John, " Your father is miserable. ". ____________________ Bradley: Kill those students, e.g., Mary. . Kelvin : Hey ! It's me who killed John's father not her. . Bradley : Then, what's her role ? . Kelvin : She is a student.  . Bradley : That's why I tell you to kill her. ___ Miuson : You told Bradley that It's you who kill John's father not...