Operating Systems

Unix is a multitasking, multi-user operating system developed at Bell Labs. FORTRAN and COBOL are both high-level programming languages, not operating systems.

DOS stands for Disk Operating System. It was the most common operating system for IBM-compatible personal computers in the 1980s and early 1990s. 'Disc Oracle system' and 'Dual Operating System' are incorrect.

Operating System was used for the first time in third generation.

NetWare is a computer network operating system developed by Novell Inc.

MS DOS has a command line interface.

A distributed computations can be carried out on more than one machine. When the computers in a group work in cooperation, they are called as distributed OS.

The system tray is located on the right side of the Windows task bar. It is the collection of small icons on the opposite side of the Start Menu. The volume control and the date & time are default items in the system tray.

C is not an operating system. C is a high-level programming language that was developed in the mid-1970s

MS-DOS (Microsoft Disk Operating System) is a single-user operating system designed for one user at a time. It lacks multi-user capabilities like user accounts, concurrent logins, or resource sharing between multiple users, which are features of multi-user OS like Unix or Windows NT.

Yes, device drivers are exapmles of system software. System software is a collection of programs written to services to other programs.

Both of them are designed to be operated by a single user at a time.

Operating systems are installed to utilise hardware effectively and OS hosts other application softwares and software to run different programs to perform operations.

MS Dos does not support multitasking.

An operating system is built to directly communicate with the hardware of the system. An OS instructs the hardware to perform intended operations and gives commands for the same.