single-density disk
A low-density floppy disk. All modern floppies are double-density or high-density.
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- single electron transistor
The single electron transistor or SET is type of switching device that uses controlled electron tunneling to amplify current. A SET is made from two tunnel junctions that share a common electrode. A tunnel junction consists of two pieces of metal separated by a very thin (~1 nm) insulator. The only way for electrons in […]
- single-sided disk
A floppy disk with only one side prepared for storing data. Single-sided disks have half as much storage capacity as double-sided disks. All modern floppies are double-sided.
- single sign on
See single signon.
- single signon
An authentication process in a client/server relationship where the user, or client, can enter one name and password and have access to more than one application or access to a number of resources within an enterprise. Single signon takes away the need for the user to enter further authentications when switching from one application to […]
- single-system image
Abbreviated SSI. A form of distributed computing in which by using a common interface multiple networks, distributed databases or servers appear to the user as one system. In other words, the operating system environment is shared by all nodes in the system.