OpenSolaris was an open-source operating system based on Solaris, which was developed by Sun Microsystems.

A clustered system is a group of independent computers (nodes) that are connected together and work as one system.

Interrupt-driven I/O is a method where an I/O device interrupts the CPU only when it needs attention, instead of the CPU constantly checking the device.

An interrupt vector is a fixed memory address that tells the computer where to find the program (routine) that should run when an interrupt occurs.

Local buffer storage is a temporary storage area used to hold data while it is being transferred between different parts of a computer system.

Moore’s Law states that the number of transistors on a computer chip doubles approximately every two years, while the cost stays about the same.

A resource allocator is a part of the operating system that decides how system resources are shared among different programs and users.

An embedded computer is a small computer that is built inside a larger device to perform a specific task.

Kernel mode is a special mode of operation in which the operating system (OS) has full control over the computer system.

A multiprocessor system is a computer system that has more than one CPU (processor) working together in a single computer.

A computer system is made up of different parts that work together to process data and give results. The main parts of a computer system are Input Unit, Central Processing Unit (CPU), Memory Unit, and Output Unit.

It Refers to current OSs such as Windows, Linux, and macOS that provide advanced multitasking and concurrency features.