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HTTPS HTTPS a variation of HTTP that uses SSL encryption for security. Hub hub a device for joining multiple Ethernet cables by copying all the data packets onto all the cables. Hubs are only suitable for use with very lightly loaded networks. Compare SWITCH (definition 2); ROUTER. Hue hue color (red vs. green vs. orange, [...]

HFS TABLE 8 HEXADECIMAL NUMBERS AND DECIMAL EQUIVALENTS (Part 2) 80 = 128 A0 = 160 C0 = 192 E0 = 224 81 = 129 A1 = 161 C1 = 193 E1 = 225 82 = 130 A2 = 162 C2 = 194 E2 = 226 83 = 131 A3 = 163 C3 = 195 [...]

De Dazed and Confused. Dazed and confused… an error message displayed by some versions of LINUX upon encountering an apparent hardware failure. dB dB abbreviation for DECIBEL. DB-9, DB-15, DB-25 designations for the kind of connectors commonly used on serial ports, video cards, and parallel ports respectively, with 9, 15, or 25 pins. For pictures [...]

Database Management OBJECT-ORIENTED PROGRAMMING, user-defined types can have procedures (called METHODs) associated with them. Database database a collection of data stored on a computer storage medium, such as a disk, that can be used for more than one purpose. For example, a firm that maintains a database containing information on its employees will be able [...]

Data Rate data rate see BAUD. Data Recovery data recovery the art and technique of recovering part or all of the informa- tion lost because of accidental deletion or damage to the storage media. The simplest kind of data recovery is to pull files back out of the Windows RECYCLE BIN or Macintosh TRASH. Special [...]

Data Protection Act routing of packets. For examples, see HAYES COMPATIBILITY (com- mand chart); PACKET; COLLISION; X.25. 4. Transport layer. How do the computers identify each other and coordinate the sending of messages back and forth? This is the level at which most network protocols operate. For examples, see TCP/IP; NETBEUI; IPX/SPX. See also PROTOCOL. [...]

D DAC, D/A converter see DIGITAL-TO-ANALOG CONVERTER. D aemon daemon (under UNIX) a program that runs continuously in the back- ground, or is activated by a particular event. The word daemon is Greek for “spirit” or “soul.” dagger dagger the character †, sometimes used to mark footnotes. See also FOOT- NOTE. Also called an OBELISK [...]

abstract 1. a summary of a document or file. For example, in Java programming, a JAR FILE contains class files together with an encrypted abstract (sum- mary) calculated with a kind of hash function. If one of the class files is tampered with, the hash function calculated from the downloaded files will not match the hash function in [...]

We need simply three constructs to solve any problem. 1) Things should be executed sequentially. That means the statements are executed in a sequence i.e. the second statement follows the first and so on. 2) We need to have a decision. The decision means if something is true, the program executes it. Otherwise, it tries [...]

Now let’s talk about the implications of the template classes. To understand the behavior of templates with static members, we have to comprehend the concept of static member variables. Static variable members are used to define ordinary classes. The static variable has a single copy for the whole class. So there are not separate copies [...]