What is the role of multi channel programming technology in the formation of operating systems?

associated with it.

Or a functional relation.

Advantages of multi-channel programming:

1 Improve CPU utilization. In a multi-channel programming environment, multiple programs are required to share computer resources. While one program waits for IO operations, the CPU can execute other programs, which greatly improves CPU utilization.

2 Improve equipment utilization.

In a multi-program environment, multiple programs share the system's equipment, which greatly improves the system equipment.

utilization. 3 Increase the throughput of the system.

In a multi-program environment, the waiting time of the program is reduced and the throughput of the system is improved.

Multi-channel programming is to store several independent programs in the computer memory at the same time, so that they run interspersed with each other under the control of the management program. Two or more programs in a computer system are in the same state between start and end. This is called multi-channel programming.

Characteristics of multi-channel program technology operation: multi-channel, macroscopic parallel, microscopic serial. The advent of multi-channel programming has accelerated the birth of OS.

The basic characteristics of multi-channel programming: discontinuity, sharing, and constraints.

The advantages of multi-channel programming are:

1) High resource utilization, multi-channel programs share computer resources, so that various resources can be fully utilized;

2) The system throughput is large, and the CPU and other resources remain "busy".

These advantages are determined by the characteristics of multi-channel programming, which are:

Multi-channel: Multiple independent programs are stored in the computer memory at the same time.

Macroscopic parallelism: multiple programs entering the system at the same time are in the process of running, that is, they have started their own runs, but none of them have finished running.

Microscopically serial: Multiple programs in memory take turns to occupy the CPU and execute alternately.

a. Increase the number of users.

b. Improve interactivity.

c. Improve equipment utilization.

d. Improve system security.

The fundamental purpose of introducing multi-channel programming technology is to improve the utilization rate of CPU and give full play to the parallelism of computer system components.

The multi-program boring sequence design technology refers to putting multiple programs into memory at the same time, so that they can share the resources in the system, and make them execute alternately, when one program is suspended, the system schedules another program to run, so that the CPU has been busy.

Multi-channel program design is to store several independent programs in the computer memory at the same time, so that they are under the control of the management program, interspersed with each other. Two or more programs in a computer system are in a state between the beginning and the end. This is called multi-channel programming.

Features of multi-channel programming run:

1. Multi-channel: several independent programs are stored in the main memory of the computer at the same time.

2. Macroscopic parallelism: several programs entering the system at the same time are in the process of running, that is, they all start running, but none of them have finished running.

3. Microscopic serialization: From a microscopic point of view, multiple programs in the main memory take turns or time-sharing to occupy the processor and run alternately.

Fundamentals of multi-channel programming:The main purpose of multi-channel programming is to make full use of all the resources in the system and to make them work in parallel as much as possible. After adopting channel technology, the CPU is liberated from cumbersome I.O. operations, which can not only realize the parallel work of the CPU and the channel, but also bring the parallel flow between the channels and the peripherals.