Suppose Thread One Is Downloading a 800KB File While Another

Multiple Choice

Suppose thread one is downloading a 800KB file while another thread is processing the same file on a single CPU machine. Suppose further that one time slice allows the first thread to download about 10KB and that the second thread can process 10KB of the file in one time slice. Approximately how does the time to complete the entire job compare to having a single thread do the work?

A) The threaded way will be twice as fast.
B) The threaded way will be twice as slow.
C) The time depends heavily on the thread scheduler.
D) The ways will take about the same time.