PC Saviours

You might have come across this problem when trying to change a background picture in Twitter.

The solution: rename the file that you are trying to upload, as there seems to be some caching issues.

• Linux - is a generic term referring to Unix-like computer operating systems based on the Linux kernel. Their development is one of the most prominent examples of free and open source software collaboration; typically all the underlying source code can be used, freely modified, and redistributed by anyone under the terms of the GNU GPL[6] and other free software licences.
• LED - is an electronic light source.

• Kilobyte - is a unit of digital information storage equal to either 1,000 bytes (103) or 1,024 bytes (210), depending on context.
• Keyboard - set of alphanumeric and command keys used to input information to a computer.
• Kernel - the central component of most operating systems.

• Joliet (files) - is the name of an extension to the ISO 9660 file system. It has been specified and endorsed by Microsoft and has been supported by all versions of its Windows OS since Windows 95 and Windows NT. Its primary focus is the relaxation of the filename restrictions inherent with full ISO 9660 compliance.
• Java - is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform.

• Inbox - In computer speak, its the location of email that has been sent to you. The inbox is what you check to find ou if you have recieved new email 
• IO Shield - Input Output Shield on the back of a motherboard. Surrounds where you plug your mouse keyboard and monitor at the back of your computer.

• Hardware - is a general term that refers to the physical artifacts of a technology. In this context it means the physical components of a computer system, in the form of computer hardware. The processor, hard drive, optical drive and motherboard are all examples of Hardware
• HTTP - This is the main 'carrier' which makes web pages appear when you go to any site. Technically, its an application-level protocol for distributed, collaborative, hypermedia information systems.

• Graphics Card - is an expansion card whose function is to generate and output images to a display.

• File - is a block of arbitrary information, or resource for storing information, which is available to a computer program and is usually based on some kind of durable storage. A file is durable in the sense that it remains available for programs to use after the current program has finished.

• Ethernet - is a family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether.

• DHTML - Dynamic HTML, or DHTML, is a collection of technologies used together to create interactive and animated web sites by using a combination of a static markup language (such as HTML), a client-side scripting language (such as JavaScript), a presentation definition language (such as CSS), and the Document Object Model.
• Data - are pieces of information that represent the qualitative or quantitative attributes of a variable or set of variables.