Hilti DPT.Manager Interview Questions and Answers

I2C is a communication protocol used to connect multiple devices in a network. In Linux, the speed of I2C can be configured.

• I2C speed can be set using the 'i2cset' command in Linux

• The speed can also be configured in the device tree

• The maximum speed supported by the hardware should be considered when setting the speed

• Different devices may require different speeds for optimal performance

A pure virtual function is a function declared in a base class without implementation, which must be overridden by derived classes.

• Pure virtual functions are declared with the syntax: virtual void functionName() = 0;

• Classes containing pure virtual functions are called abstract classes and cannot be instantiated.

• Pure virtual functions provide a way to achieve polymorphism in C++.

• Example: virtual void draw() = 0; // decl...read more