Adding hardware such as a disc drive (e.g. CD-ROM or DVD), modem, mouse, network card, printer, sound card, or speakers are not required, but give the computer additional functionality. 1  How to install computer hardware.
Retroactive Payments. The SSDI retroactive payments are payments made to disability applicants for the time passed between the onset of the disability to the date that the application was passed. Retroactive payments are paid for 12 months prior to the date of the application being passed.
Military personnel have been covered under Social Security since 1957, and those who served in 2001 or earlier receive special credits that augment their earnings for the purpose of computing Social Security benefits. For those who served between 1957 and 1977, credits equal $300 for each quarter of active-duty pay.