Most word processors and text editors allow you to choose between two modes: overwrite and insert. In overwrite mode, every character you type is displayed at the cursor position. If a character is already at that position, it is replaced. In insert mode, each character you type is inserted at the cursor position. This means that existing characters are moved over to make room for the new character, but they are not replaced.
Overwrite mode is sometimes called overtype mode.
- overwriting virus
A type of computer virus that will copy its own code over the host computer system’s file data, which destroys the original program. After your computer system has been cleaned using an antivirus program, users will need to install the original program again. See The Difference Between a Virus, Worm and Trojan Horse in the […]
Platform for Privacy Preferences is a specification that will allow users’ Web browsers to automatically understand Web sites’ privacy practices. Privacy policies will be embedded in the code of a Web site. Browsers will read the policy, and then, automatically provide certain information to specific sites based on the preferences set by the users. For […]
- Private Automated Branch Exchange (PABX)
Short for Private Automated Branch Exchange, this telephone network is commonly used by call centers and other organizations. PABX allows a single access number to offer multiple lines to outside callers while providing a range of external lines to internal callers or staff.
Short for packet assembler/disassembler PAD is a device (hardware or software) used in packet switching to enable data terminal equipment (DTE) not equipped for packet switching to access a packet-switched network. PAD is a term most often associated with an X.25 network where the PAD breaks the data stream into individual packets and formats the […]
(1) Short for Phase Alternating Line, the dominant television standard in Europe. The United States uses a different standard, NTSC. Whereas NTSC delivers 525 lines of resolution at 60 half-frames per second, PAL delivers 625 lines at 50 half-frames per second. Many video adapters that enable computer monitors to be used as television screens support […]