That is called POST or Power-On Self-Test. This process tests and initializes the essential devices. It may also display a splash screen, provide information, and give you the chance to change some of the settings.
The name of the program that lets your computer to communicate with hardware devices is call KERNEL. Kernel communicates between hardware and software of a computer and manages how hardware resources are used to meet software requirements
pointing devices are: mouse,light pen & joy stick in computer hardware
Computer hardware is a set of physical devices with which we get to connect ourselves with the computer with help of softwares
There are many pieces of computer hardware equipment that are considered output devices. Some examples of computer output devices are speakers, headphones, monitors, and printers.
Drivers
in a laptop computer.
I/O devices like Keyboard, Mouse, Monitor, Speakers are used to for the computer to communicate with the user. The Operating System uses software called drivers to interact with these hardware devices. Altogether, this is called the user interface.
Hardware is usually what is used to control a computer but you can download software that would enable you to speed up the computer.
These are the digital devices solenoid, computer, computer hardware, mobile phone, camera etc.
INTERFACES
Most devices communicate with the operating system using application software.
Input devices.