In computer science, runtime refers to the period during which a program is executing or running on a computer. It begins when the program is launched or started and ends when the program is terminated or closed.
During the runtime, the program performs various tasks, such as input/output operations, calculations, and interactions with the operating system and other programs. The performance of a program during runtime depends on various factors, such as the speed of the processor, available memory, and the efficiency of the code.
In addition to the overall runtime of a program, developers and programmers often analyze the runtime of specific code segments or functions to identify performance bottlenecks and optimize the code. This involves measuring the time it takes for a specific block of code to execute and identifying any areas where the execution time can be reduced.
The runtime of a program can also be affected by external factors, such as user input, network latency, and system load. Therefore, developers need to design their programs to be robust and efficient to handle varying runtime conditions.

In computer science, runtime refers to the period during which a program is executing or running on a computer. It begins when the program is launched or started and ends when the program is terminated or closed.

During the runtime, the program performs various tasks, such as input/output operations, calculations, and interactions with the operating system and other programs. The performance of a program during runtime depends on various factors, such as the speed of the processor, available memory, and the efficiency of the code.

In addition to the overall runtime of a program, developers and programmers often analyze the runtime of specific code segments or functions to identify performance bottlenecks and optimize the code. This involves measuring the time it takes for a specific block of code to execute and identifying any areas where the execution time can be reduced.

The runtime of a program can also be affected by external factors, such as user input, network latency, and system load. Therefore, developers need to design their programs to be robust and efficient to handle varying runtime conditions.