High Memory Area (HMA)
The first 64 KB area of memory beyond the 1 MB
boundary that the processor can access in real mode
on an 80286 or above processor. The system accesses
this memory area by activating the A20 memory line.
HMA
See High Memory Area
HSM
See Hierarchical Storage Manager
HTTP
See Hypertext Transfer Protocol
HTTPS
See Hypertext Transfer Protocol Secure Sockets
Hypertext Transfer Protocol (HTTP)
One of several common data transfer protocols for
the Internet. HTTP normally transfers textual data of
some type. For example, the Hypertext Markup Language
(HTML) relies on HTTP to transfer the Web
pages it defines from the server to the client. The
eXtensible Markup Language and Simple Object
Access Protocol (SOAP) also commonly rely on
HTTP to transfer data between client and server. It??™s
important to note that HTTP is separate from the
data it transfers. For example, it??™s possible for SOAP
to use the Simple Mail Transfer Protocol (SMTP) to
perform data transfers between client and server.
Hypertext Transfer Protocol Secure Sockets
(HTTPS)
A secure form of Hypertext Transport Protocol
(HTTP) that relies on the Secure Sockets Layer (SSL)
encryption technology to transfer data.
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