S # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z sampling rate In digitizing operations, the frequency with which samples are taken and converted into digital form. The sampling frequency must be at least twice that of the analog frequency being captured. For example, the sampling rate for hi...

E # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ECP See IEEE 1284. EEPROM (Electrically Erasable Programmable ROM) A rewritable memory chip that holds its content without power. EEPROMs have a lifespan of between 10K and 100K write cycles, which is considerably greater than the E-PROMs (dash...

M # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z MCM (MultiChip Module or MicroChip Module) A chip package that contains two or more raw chips closely connected with high-density lines. This method saves space and speeds processing due to short leads between chips. A ceramic base has been wid...

O # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z OC (Optical Carrier) The transmission speeds defined in the SONET specification. OC defines transmission by optical devices, and STS is the electrical equivalent. See DS. Service Speed (Mbps) OC-1 STS-1 51.84 (28 DS1s or 1 DS3) OC-3 STS-3 155.5...

P # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Pascal A high-level programming language developed by Swiss professor Niklaus Wirth in the early 1970s and named after the French mathematician, Blaise Pascal. It is noted for its structured programming, which caused it to achieve popularity in...