What is Steganography? The term steganography is derived from the Greek words steganos (covered) and graphein (to write). Back in the day it was used a synonym for cryptography, but…

What is SSL? SSL (Secure Sockets Layer) describes a protocol that authenticates and encrypts Internet connections. In recent times SSL has been replaced by Transport Layer Security (TLS), but SSL…

What is SCSI? The SCSI (Small Computer System Interface) defines interfaces and protocols for data transfer between mass storage devices and computer systems. The original variant was a parallel bus…

What is a Scroll Lock Key? This Scroll Lock Key has been found on conventional keyboards for decades. It virtually pegs the input marker (the cursor) in place. When scrolling…

What is SMTP? SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol that can be used to send and receive e-mails. However, SMTP is limited in its ability to process…

What is a Standard? A standard represents a unified and generally recognized way in which a product or process is manufactured, documented, or carried out. An innovation must have clearly…

What is Spam? Spam, also referred to as junk, is unsolicited messages sent electronically, such as e-mails, SMS or forum messages. The recipient receives messages without having given consent. The…

What is Shareware? Shareware is software companies distribute to users for free. It is at least partially free or available to use at no cost for a limited time. The…