最近在运行程序的时候出现了Input port 0 of algorithm vtkImageMapToWindowLevelColors(07DD6908) has 0 connections but is not optional.这是什么错误呢？我已经用vtkImageMapToWindowLevelColors这个类设置了窗宽窗位了 ...

Modern laptops come with a dizzying array of ports—or maybe only one, in the case of some extremely svelte ultraportables. But how can you know what they all do, or what you might want in a new system ...

The best USB-C hubs add ports to your PC, providing connections to legacy peripherals like mice, keyboards, printers, or more. If you follow my advice, you shouldn’t pay that much, either. The very ...

Ports on an RFID reader that can be connected to external devices. An input port might be connected to a photoelectric eye to turn on the reader when an object enters the reader field. An output ...

What is hard about analyzing feedback circuits is the extraction from the circuit diagram of the simple block diagram found in active circuits and control textbooks. To start with a relatively easy ...

ATmega8 microcontroller has 23 programmable input/output (I/O) pins which can be used for interfacing with external world. It is possible to configure them as input or output by setting a particular ...

Third party testing has confirmed that Apple's new 27" iMac can only be used as an external display for devices designed to provide DisplayPort video. It will not work with any equipment that only ...

In today’s technology-driven world, having a bit of extra power supply is always convenient. So, get a power bank with dual ports that allow you to charge your device multiple times and also to charge ...

Not all HDMI ports are created equal, though that is a common misconception for folks who may not be a display tech enthusiast who just got a new TV.