Process and Thread Management

Front

What is a process?

Back

A process can be thought of as a program in execution.

Front

What resources does a process need to accomplish its task?

Back

CPU time, memory, files, and I/O devices.

Front

When are resources allocated to a process?

Back

Resources are allocated either when the process is created or while it is executing.

Front

What is the unit of work in most systems?

Back

A process.

Front

What types of processes exist in a system?

Back

Operating-system processes and user processes.

Front

Can processes execute concurrently?

Back

Yes, all these processes may execute concurrently.

Front

What has changed in modern operating systems regarding processes?

Back

Most modern operating systems now support processes that have multiple threads.

Front

What activities is the operating system responsible for in process and thread management?

Back

Creation and deletion of both user and system processes, scheduling of processes, and provision of mechanisms for synchronization, communication, and deadlock handling.