Explain various modes used to transfer the data between cpu and input output device
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The I/O subsystem of a computer provides an efficient mode of communication between the central system and the outside environment. It handles all the input-output operations of the computer system.
Peripheral Devices
Input or output devices that are connected to computer are called peripheral devices. These devices are designed to read information into or out of the memory unit upon command from the CPU and are considered to be the part of computer system. These devices are also called peripherals.
For example: Keyboards, display units and printers are common peripheral devices.
There are three types of peripherals:
Input peripherals : Allows user input, from the outside world to the computer. Example: Keyboard, Mouse etc.
Output peripherals: Allows information output, from the computer to the outside world. Example: Printer, Monitor etc
Input-Output peripherals: Allows both input(from outised world to computer) as well as, output(from computer to the outside world). Example: Touch screen etc.
Interfaces
Interface is a shared boundary btween two separate components of the computer system which can be used to attach two or more components to the system for communication purposes.
There are two types of interface:
CPU Inteface
I/O Interface
Let's understand the I/O Interface in details
Hope it helps
Peripheral Devices
Input or output devices that are connected to computer are called peripheral devices. These devices are designed to read information into or out of the memory unit upon command from the CPU and are considered to be the part of computer system. These devices are also called peripherals.
For example: Keyboards, display units and printers are common peripheral devices.
There are three types of peripherals:
Input peripherals : Allows user input, from the outside world to the computer. Example: Keyboard, Mouse etc.
Output peripherals: Allows information output, from the computer to the outside world. Example: Printer, Monitor etc
Input-Output peripherals: Allows both input(from outised world to computer) as well as, output(from computer to the outside world). Example: Touch screen etc.
Interfaces
Interface is a shared boundary btween two separate components of the computer system which can be used to attach two or more components to the system for communication purposes.
There are two types of interface:
CPU Inteface
I/O Interface
Let's understand the I/O Interface in details
Hope it helps
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