Computer software| Computer software or just software is a general term used to describe a collection of computer programs, procedures and documentation that perform some tasks on a computer system. It plays an important role in computer-based information systems because...
System software| System software is any computer software which manages and controls computer hardware so that application software can perform a task. System software helps run the computer hardware and...
Operating system| The operating system and utility programs are the two major categories of system software. Just as the processor is the nucleus of the computer system, the operating system is...
Common operating systems| Common operating systems include: MS-DOS (short for Microsoft Disk Operating System) is an operating system commercialized by Microsoft. It was the most commonly used member of the DOS family of operating systems and was the main operating system for computers during...
Operating systems ( MACINTOSH, OS\2 Warp, UNIX, LINUX, OPEN VMS)| Macintosh, commonly nicknamed Mac, is a brand name which covers several lines of personal computers designed, developed, and marketed by Apple Inc. It was the first commercially successful personal computer to feature a mouse and a graphical user interface (GUI) rather than a command line interface. Most of the Mac OS code...
Utility programs| Utility programs help manage, maintain and control computer resources. These programs are available to help you with the day-to-day chores associated with personal computing and to keep your system running at...
What is a User Interface?| The user interface is the junction between a user and a computer program. An interface is a set of commands or menus through which a user communicates with a program. It is how you interact with the computer. The term ‘user interface’ refers t the standard procedures the user follows to interact with...
Device drivers| A device driver is a specific type of computer software developed to allow interaction with hardware devices. Typically this constitutes an interface for communicating with the device, through the specific computer bus or communications subsystem that the hardware is connected to, providing commands to /or receiving data from the device, and...
The system kernel| "Kernel" – the part of an operating system that provides the most basic services to application software running on a processor.The "kernel" of a real-time operating system ("RTOS") provides an "abstraction layer" that hides from application software the hardware details...