Definition of Complete Network
Understanding Computer Networks
Definition and Definition of the Most Complete Network - The network (network) is an operating system consisting of a number of computers and other network devices that work together to achieve the same goal or a network that consists of points (nodes) connected to one interact with each other, with or without wires. Each of these nodes is useful as a workstations. One of the nodes is as a service media or server, which regulates certain functions of other nodes. Basically computer network technology itself is a combination between computer tenology and communication technology.
Definition and Understanding of Network
The purpose of computer networks:
Networks allow resource management to be more efficient. In addition, licenses from network software can be cheaper than separate stand-alone licenses for the same number of users, and share CPU, Memory and Harddsik usage.
The network also helps maintain information that is reliable and up-to-date. A well-managed centralized data storage system will allow many users to access data from a variety of different locations, and limit access to data while being processed.
The network also helps speed up the process of sharing data (data sharing). Data transfer on a network can always be faster than other means of sharing data that are not networked.
Networks also allow working groups to communicate more efficiently. Electronic mail and delivery are the substance of most network systems, in addition to scheduling systems, project monitoring, online conferencing and groupware, all of which help teams work more productively and quickly.
Networks also help businesses in serving their clients more effectively.
Network Benefits
The main benefit that can immediately be felt from network sharing is that the Internet is worldwide, because in essence the Internet is a series of computers connected to one another. It evolves and develops over time, so it can form a complex network as we feel now.
Another advantage seen from the side of the internal network is:
Resource Sharing is that it can use the available resources together.
High reliability with our computer network will get a high reliability by having an alternative source of inventory.
Hardware sharing is for sharing hardware on time together.
Security and data management is a computer in a business environment, with the existence of such a network will allow an administrator to organize all the most important office data.
Stability and improvement in computing performance is only under certain conditions, a network will be able to be used to improve the overall performance of business applications,
Network Losses
Here are some of the disadvantages of implementing a network:
High costs then higher.
network development includes various aspects, namely:
hardware purchase,
software,
costs for network planning consulting, then
costs for network building services themselves.
This high infestation is certainly for large companies with high network needs. Whereas for home users this fee is relatively small and can be reduced.
Hardware Management and System Administration: in a company organization that already has a system, this administration will be felt to be a small thing, at least when compared to the large work costs and costs incurred at the implementation stage. However, this is the most important step because errors at this point can result in a review that will even experience network re-construction.
Sharing unwanted files: With the good comes the bad, this is always a common thing (ambiguous), the ease of sharing files into a network intended for use by certain people, often resulting in leakage of shared folders and can be read also by other people who have no right. This will always happen if it is not set by the network administrator.
Virus applications and hacking methods are things that are always a scary problem for everyone that can cause network down and work stopping.
Definition of a Computer Operating System (Operating System) Complete - Operating System commonly called (Operating System) or commonly abbreviated OS, iyalah software (software) system that functions to control and management of hardware (hardware) as well as the basic operations of a computer system.
Information system
This management includes running application software such as word processing programs, multimedia players, and others.
Explanation of the Operating System (Operating System)
Operating System is the first software contained in a computer's memory when the computer is running.
While other software will run after SO (operating system) runs first. After that SO will service other software. Some of the services commonly performed by SO are:
Disk Access
Memory Management
Task Scheduling
User interface settings, etc.
Some of the tasks (tasks) above should be done by Software. But with SO, this software doesn't need to do the Job -job. The SO part that performs these core jobs is known as the Kernel.
SO in general consists of several parts, namely:
Boot mechanism is to put the Kernel into Computer Memory
The kernel is the core of an SO
Command Interpreter or shell, useful for reading an input from the User
Libraries, is as a provider of a collection of basic and standard functions that can be called by other applications.
Driver, functions to connect with external hardware.
There are so many kinds of operating systems that we can meet. Examples Some of them are;
Windows
Linux
MacOS (Macintosh Operating System)
Solaris
Now I will discuss the history and development of the Operating System.
SO is experiencing development that can be divided into 4 generations, that generation is;
1. First Generation (initial)
At the beginning of the SO is still done manually in the sense, there is no operating system that automatically, meaning that the operating system does not yet support work services that can be done in 1 series.
2. Second Generation
In this generation there have been introduced work that can be done in a series or commonly referred to as "Batch Procurement System".
3. Third Generation
In the third generation, the Operating System already supports Multi-Programming, Multi-User and Batch Proccessing System (Multi-Task) services.
4. The fourth generation
In this fourth generation, it has been allowed an abbreviated Graphical User Interface (GUI) which means that the OS has a display and with a mouse, End-Users can run applications / programs / software.
5. "Next" Generation
In the next generation this system was introduced to be in an Operating System, and in this generation was introduced an operating system that moves (Mobile) on mobile devices such as: PDAs, Poket PCs, and others. In this next generation, virtual network operating system technology is also introduced, so that in a network only 1 operating system is installed on a device that functions as a server, Cross Platform Operating System is also introduced, which means that it can combine 2 different operating systems such as: Linux and Windows .