How does the OS handle the program execution process?

Once the process has been assigned to a processor by the OS scheduler, the process state is set to running and the processor executes its instructions. Process moves into the waiting state if it needs to wait for a resource, such as waiting for user input, or waiting for a file to become available.

How does a computer follow instructions given to it?

A computer is given instructions by a human using a keyboard or another input device. To interpret these instructions, the computer uses an operating system or software that’s also programmed by a human to translate user commands into something the computer can understand.

Where does the execution of the program starts?

main function
The main function serves as the starting point for program execution. It usually controls program execution by directing the calls to other functions in the program.

What is system software Short answer?

System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android and Microsoft Windows, computational science software, game engines, search engines, industrial automation, and software as a service applications.

What is a computer software answer?

Software is a program that enables a computer to perform a specific task, as opposed to the physical components of the system (hardware). Computer software has to be “loaded” into the computer’s storage (such as a hard drive, memory, or RAM). Once the software is loaded, the computer is able to execute the software.

How does a computer process information?

Input devices accept data in a form that the computer can use; they then send the data to the processing unit. The processor, more formally known as the central processing unit (CPU), has the electronic circuitry that manipulates input data into the information people want.

Where does the execution of the program starts Mcq?

Where does the execution of the program starts? Explanation: Normally the execution of the program in c++ starts from main only.

Where does the execution of the program starts in C++ Mcq?

Explanation: The execution of a C++ program starts from the main() function.