What do you call a process that has have a single thread of control?

Traditional ( heavyweight ) processes have a single thread of control – There is one program counter, and one sequence of instructions that can be carried out at any given time.

What is a heavyweight process?

5 Answers. 5. 7. A normal process under an Operating System (OS) is a heavy-weight process. For each such process, the OS provides an independent address space, this way keeping different users and services separated.

What do you mean by single thread of execution?

Single threaded processes contain the execution of instructions in a single sequence. In other words, one command is processes at a time. These processes allow the execution of multiple parts of a program at the same time. These are lightweight processes available within the process.

What is single thread in node JS?

Single thread: Node JS Platform doesn’t follow the Multi-Threaded Request/Response Stateless Model. It follows the Single-Threaded with Event Loop Model. Node JS Processing model mainly inspired by JavaScript Event-based model with JavaScript callback mechanism. js can handle more concurrent client requests with ease.

Why a process is referred to as a heavyweight process while a thread is considered as a lightweight process?

Processes are heavyweight operations. Threads are lighter weight operations. Each process has its own memory space. Threads use the memory of the process they belong to.

Why is a process Heavyweight?

A process is said to be heavy weight because OS has to do lot of housekeeping to create a process . It has to allocate lot of buffers, make a note of entry in different files and notify schedulers , memory management etc about this new entry. Hence creating a new process is slow and it is heavy weight.

What is a thread in process scheduling?

As mentioned briefly in the previous section, many computer configurations have a single CPU. Hence, threads run one at a time in such a way as to provide an illusion of concurrency. Execution of multiple threads on a single CPU in some order is called scheduling.