Operating systems to achieve before the batch processing programs. fighter hat Communication operat

Def: An operating system consists of a set of manual procedures and the software module system that manages the resources of the computer system, to ensure the efficient use of these resources and provides common user interface more convenient to use the computer

system.
2.Alocarea resources needed to execute programs made by identifying: which programs are executed, the necessary memory, peripheral devices and data protection requirements.
· Command and control programs, fighter hat the role of coordination and control systems of all operational functions, such as input-output processes, interrupts execution, hardware-user communication;
· Service Programs (processing) that are executed under the supervision of the command and control

software being used by programmers to develop its application software.
Operating systems to achieve before the batch processing programs. fighter hat Communication operations that were to be achieved fighter hat is through a command language to interpret the instructions for error handling system and situations. Such systems operate in monoprogramare.
CPU (Central Processing Unit) can execute only one instruction at a quantum of time and can not work only with the data found in the internal memory, if input peripherals are slow in providing data or program memory interior, the CPU must wait for data transfer / programs in the internal memory to begin implementation of the program.
· Multitasking operating system

kernel, which should provide additional separation between the tip programs that perform resource allocation and management system, the main components include:
· DOS microcomputer development began in 1978, when I chip Intel Corporation launched 8088, closely followed by I 8086, which can use more memory and have brought another set I 8080 microprocessor fighter hat uses.
· This is an interface-oriented graphics fighter hat window that is installed on a computer system that works under MS-DOS, allowing simultaneous launch multiple applications, each in its own window, as well as the exchange of information between them.
· A is a complex

operating system designed by Microsoft and whose main advantage is the possibility fighter hat of implementing both PC Intel PC microprocessors and RISC microprocessors.
· This is a fully integrated internet, representing fighter hat a support fighter hat for new hardware technologies and keeping compatibility with Windows 95, to appear as an extension (upgrade).
· A is a line of operating systems developed by Microsoft for use on personal or business computers, laptops and media centers. The letters "XP" comes from the English word experience (experience).
· He was released in November 2006 for companies and business partners, fighter hat and in January 2007 launched utlizatorii use. This statement comes after more than five years after the appearance on the market of Windows XP, the vast distances between two successive releases.
· Is the latest version of Microsoft Windows, an operating system produced fighter hat by the American company Microsoft for use on personal computers PC type, including those used in business desktops,

laptops, tablet PCs, netbooks PC and Media Center Edition (MCE). Windows 7 has entered the "free production" stage (Release to manufacturing, RTM) on July 22, 2009. Marketing time was October 22, 2009, less than three years prior to Windows Vista. At the same time he was released and Windows Server 2008 R2 (server).
· Compared to its predecessor, Vista, Windows 7 is intended as an update fighter hat to it, in order to be fully compatible with the drivers, fighter hat applications and devices with which it was already compatible.
· Presentations given by the company in 2008 focused on multi-touch screen support, a redesigned Windows Shell with a new taskbar,

a group of network system called "HomeGroup", as well as performance improvements. Some applications that are bundled with previous versions of Microsoft Windows, especially Windows Movie Maker, and Windows Photo Gallery, are no longer available now in the same software package (package) with Windows 7, but separately (free gift) as part of Windows Live Essentials suite.
· In January 2011 St