1. Communication software
(via https://www.quora.com/What-are-the-types-of-application-software)

2. Multimedia software
3. Simulation software

(via http://ecomputernotes.com/fundamental/disk-operating-system/application-software)

1.   Software to do tasks at home, school and work. Example: productivity software, business software, media and entertainment software.

2.   A term which is used for software created for a specific purpose. It is generally/ collection of programs used by end users. It can be called an application or simply an app. A software which is developed to help the users to perform specific tasks. Example: Word processing software, database programs, business software and others.

3.   Software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.

1.   System software is the set of programs that helps run the computer and coordinates instructions between application software and the computer's hardware devices. From the moment you turn on your computer to the time you shut it down you're interacting with system software.

2.   System software is software designed to provide a platform for other software.

3.   System software is a type of computer program that is designed to run a computer's hardware and application programs. If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications.

1.   In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer. A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details about the hardware being used.A driver communicates with the device through the computer bus or communications subsystem to which the hardware connects. When a calling program invokes a routine in the driver, the driver issues commands to the device. Once the device sends data back to the driver, the driver may invoke routines in the original calling program. Drivers are hardware dependent and operating-system-specific. They usually provide the interrupt handling required for any necessary asynchronous time-dependent hardware interface.

2.   A device driver is a small piece of software that tells the operating system and other software how to communicate with a piece of hardware.

3.   *print screen is provided

1.   Preemptive multitasking is task in which a computer operating system uses some criteria to decide how long to allocate to any one task before giving another task a turn to use the operating system. The act of taking control of the operating system from one task and giving it to another task is called preempting. A common criterion for preempting is simply elapsed time (this kind of system is sometimes called time sharing or time slicing). In some operating systems, some applications can be given higher priority than other applications, giving the higher priority programs control as soon as they are initiated and perhaps longer time slices.

2.   Preemptive multitasking is a type of multitasking that allows computer programs to share operating systems (OS) and underlying hardware resources. It divides the overall operating and computing time between processes, and the switching of resources between different processes occurs through predefined criteria. Preemptive multitasking is also known as time-shared multitasking.

3.   Preemptive multitasking is a form of multitasking that enables a computer operating system to switch between computer software programs. Preemptive multitasking helps prevent a program from taking complete control of the computer processor and allows multiple programs to continue to operate without crashing or freezing.

A. Character device driver

Character device driver handles data in byte stream. Data can be directly transferred from the user space which comes sequentially, cannot move back and forth. For example: mouse, keyboard, camera and real time sensor [1].

B. Block device driver

Block device driver handles data in the block form, kernel supplies data from buffer cache to file system of block size. It provides random access of fixed size (512 byte or more) block of data e.g., disk etc [1].

C. Network device driver

Network device driver is used to communicate operating system to different network devices as well as network computer. It handles transmission and reception of network packet on the request of systems e.g., ethernet card.
REF: Bushra Rahman Ansari ; Manjit Kaur International Conference on Current Trends in Computer, Electrical, Electronics and Communication (CTCEEC) 2017.