What is IO control?

An I/O controller connects input and output (I/O) devices to the bus system of a central processing unit (CPU). … Control is usually initiated by the CPU, which sends instructions to the I/O controller concerning how the peripheral devices and signals attached to it should be handled.

What is IO method?

Input-output analysis (I-O) is a form of macroeconomic analysis based on the interdependencies between different economic sectors or industries. This method is commonly used for estimating the impacts of positive or negative economic shocks and analyzing the ripple effects throughout an economy.

What are the different IO methods?

There are three principal I/O techniques: programmed I/O, in which I/O occurs under he direct and continuous control of the program requesting the I/O operation; interrupt-driven I/O, in which a program issues an I/O command and then continues to execute, until it is interrupted by the I/O hardware to signal the end of …

What are methods of implementing IO operations?

There are three methods of co-operation between the I/O units and a processor: program-controlled method – by polling, interrupt-based method, Direct memory access- DMA-based method.

What IO means?

input/output
I/O (input/output), pronounced “eye-oh,” describes any operation, program, or device that transfers data to or from a computer. Typical I/O devices are printers, hard disks, keyboards, and mouses.

What is IO card?

IPSES I/O cards are the right answer to the need to acquire digital and analogical inputs and outputs from a PC in an industrial environment. The state of the digital inputs and outputs is shown through LEDs on the board.