The correct answer is A. GPU.

A GPU (Graphics Processing Unit) is a specialized processor designed to handle the computationally intensive tasks involved in rendering graphics. GPUs are typically used in video games, 3D rendering, and other graphics-intensive applications.

A VLIW (Very Long Instruction Word) processor is a type of processor that can execute multiple instructions at the same time. VLIW processors are typically used in high-performance computing applications, such as scientific computing and financial modeling.

A coprocessor is a secondary processor that works in conjunction with a main processor. Coprocessors are typically used for specialized tasks, such as floating-point arithmetic or graphics processing.

A microcontroller is a small, low-power processor that is typically used in embedded systems. Microcontrollers are typically used for controlling devices, such as appliances, automobiles, and industrial equipment.

GPUs are a good match for applications such as video games because they are designed to handle the computationally intensive tasks involved in rendering graphics. GPUs can execute multiple instructions at the same time, which makes them well-suited for tasks that require a lot of processing power. Additionally, GPUs are typically designed to be energy-efficient, which makes them a good choice for applications that need to run on battery power.