Question

A single thread of control allows the process to perform __________

(a) only one task at a time

(b) multiple tasks at a time

(c) only two tasks at a time

(d) all of the mentioned

The question was asked at a job interview.

I need to ask this question from Process Control Block in chapter Processes of Operating System

Answer 1

Right answer is (a) only one task at a time

The explanation: A single thread of control allows the process to perform only one task at a time. In the case of multi-core, multiple threads can be run simultaneously and can perform multiple tasks at a time.