vaporware
A sarcastic term used to designate software and hardware products that have been announced and advertised but are not yet available.
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- Variable
A symbol or name that stands for a value. For example, in the expression x+y x and y are variables. Variables can represent numeric values, characters, character strings, or memory addresses. Variables play an important role in computer programming because they enable programmers to write flexible programs. Rather than entering data directly into a program, […]
- variable length
Refers to anything whose length can vary. For example, in databases, a variable-length field is a field that does not have a fixed length. Instead, the field length varies depending on what data is stored in it. Variable-length fields are useful because they save space. Suppose, for example, that you want to define a NAME […]
- variable-length record
A record that has at least one variable-length field. The length of the entire record, therefore, varies according to what data is placed in the variable-length field.
- variable length subnet mask
Variable Length Subnet Mask, abbreviated as VLSM, is a means to specify a different subnet mask for the same network number on different subnets. With VLSM, a network administrator can use a long mask on networks with few hosts and a short mask on subnets with many hosts. To use VLSM, the routing protocol must […]
- variant
In virus and malware terms, a variant refers to new strains and slightly modified version of malware. Malware is often modified with new variants released to get as much mileage as possible from the original code.