Most likely Single Sided Double Density, referring to floppy disks.
In software engineering it can refer to certain documents:
ssdd
ssdd
Same S*** Different Day
Same sh*t different day
harry potter aww man no SSDD
If you mean in computer technology it's a term used to describe an older and largely unused format of Floppy disks "Single sided, double density" disks. It could also mean "Same sh*t, different day" depending on whom you ask.
cool and rainy weather all year long .
what does lawyer do on the computer what does lawyer do on the computer what does lawyer do on the computer
A computer does not develop. You can develop computer programs for a computer.
These are all the campain missions in order first to last SSDD. Team Player, Cliff Hanger, No Russian, TakeDown, Wolverines, The Hornets Nest, Exodus, The Only Easy Day... Was Yesterday The Gulag, Of Their Own Accord Contingency, Second Sun, Whiskey Hotel, Loose Ends, The Enemy Of My Enemy, Just Like Old Times, End Game.
a computer not conected to another computer
micro computer mini computer mainframe computer super computer