PawPrint.net Glossary of Terms

The full name for the commonly abbreviated Blog (so common is the use of Blog that few now even know the derivation)

It usually consists of a metallic conductor pattern on an epoxy glass composite insulating substrate, more complex circuits have several layers stacked togeather. After assembly where components are added, it is known as a printed wiring assembly (PWA).  

A compressed graphic format suited for flat color images (illustrations) and drawings. It compresses images by referencing areas of the same colour thus it is less suitable then JPEG for photographic images (where there are colour gradients)

Originally created by CompuServ it was the subject of proposed law suits and patent discussions which have largely been dropped.

ls [options] [names]

List the contents of a directory or directories. This is similar to the dos command ´dir´ frequently abbreviated in many shells to ll for ls -l which lists files with long format. If no [names] then the contents of the current directory are listed.

Options
-1, --format=single-column
Print one entry per line of output.

-a
List all files, including the normally hidden files whose names begin with a period.

-b, --escape
Display nonprinting characters in octal an...

A lens defect that bends light rays of different colors at different angles and therefore focuses them on different planes.

This is common with low-end digital cameras and small consumer point-and-shoot models.

Opening in January 1986 as one of the five original centers in the National Science Foundation´s Supercomputer Centers Program - part of the University of Illinois at Urbana-Champaign. The center works to further high-performance computing and networking and in developing software applications. NCSA greatly broadened the user base of remote supercomputing and the Internet with NCSA Telnet in 1987. In 1991, the center introduced NCSA Mosaic, the first readily-available graphical Web Browser.