Life expectancy at birth, at 65, and 75 years of age by sex, race and Hispanic origin Health, United States 2015, table 15 [PDF - 9.8 MB] Life expectancy at birth and at 65 years of age, by sex: Organisation for Economic Co-operation and Development (OECD) countries Health, United States 2015, table 14 [PDF - 9.8 MB]
Multiprocessing / multitasking Multiprocessing is the use oftwo or more processors in a single computer.
In a multitasking system, however, multiple processes are retained in the main memory, which physically consists of RAM (i.e., random access memory) chips, so that whenever one process has to wait, the operating system can immediately allocate the CPU to other processes.