The ________ multithreading header contains class thread for manually creating and starting threads, and functions yield, get_id, sleep_for and sleep_until.

A(n) ________ is the intersection of a column and a row

A) chart B) object C) diagram D) cell

Case-Based Critical Thinking QuestionsCase 2-2Jack has a computer at home that he uses to access the Internet, store and edit personal photos, and create and edit documents. Recently, he has come to realize that in order to keep the computer performing at its best, he needs to carry out regular system maintenance on the computer. Jack can use the ____ program to locate and delete temporary files, such as installation files, Web browsing history, and files in the Recycle Bin.

A. Windows Registry B. Disk Defragmenter C. Temporary Files D. Windows Disk Cleanup