Which of the following is best described as a technology that enables a single processor to appear as two processors to the OS and allows multiple threads to run simultaneously?

________ is an example of a microblogging site that allows a limited number of characters in a post

A) The Blogosphere B) Blogger C) Twitter D) Flickr

It’s recommended that you do not explicitly create and use Thread objects to implement concurrency, but rather use the ________ interface.

a. ExecutorService b. Runnable c. Concurrent d. Executor