If you have tried MyTtDesktopClient in Part 1 of this article, you may remember that you had to type a PIN returned from Twitter after you granted access to your Twitter data.

如果您已经尝试了本系列文章第1部分中的MyTtDesktopClient，您可能记得，在获得了访问Twitter数据的权限后，您必须输入从Twitter返回的PIN。

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Once the correct PIN is entered on the card's four buttons, the missing digits are filled in and the card's magnetic strip is populated with data.

一旦用户通过小键盘上的四个按钮输入正确的个人身份证号码，缺损的数字才会显现出来，这样才能看到完整的卡号；而且这时信用卡的磁条也会被填入数据，磁条锁定便被解开可以在网上或者商店购物。

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Only those specially authorised can go inside a SCIF, with entry usually requiring a combination of pin Numbers, access badges and biometric data.

只有那些经过特别授权的人才能进入SCIF，要进入的话你需要通过密码，门禁和生物信息识别等等重重考验。

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The base is connected to a 10K ohm reistor which is connected to the serial data output pin of your microcontroller (ours is pin 1 aka TX aka the pin on the upper left).

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The per-pin data rate for DDR4 is specified as 1.6 giga transfers per second to an initial maximum objective of 3.2 giga transfers per second.

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However, the firm does not believe return customers at its UK stores were affected - or that chip and pin data in the UK was accessed as none is stored on the systems in Watford.

BBC: NEWS | Business | Hackers target TK Maxx customers