把可扫描的寄存器连成扫描链 如下图所示：左边是普通寄存器，右边是可扫描寄存器，D端前面加一个二选一的MUX，选择端是scan_enable，为1时选择SI端，为0时选择D端。 如下图所示：把所有可扫描寄存器首尾连接在一起，就构成了扫描链。注意，增加了三个端口 ...

Quick Response codes or QR codes are a type of barcodes that comprise a matrix of dots. To read these unique codes, a QR code scanner is needed. QR scanners are typically embedded in modern ...

On Windows 11/10, you can enable scanning of archive (.zip, .rar, and .cab) files with Microsoft Defender for better and enhanced security and protection. In today’s post, we will show you how to ...

Windows Fax and Scan allows you to send and receive faxes from your computer via a connected fax modem or the fax server on your office network. The program also offers a scan facility for digitizing ...