Compatibility Guide

Glossary 161

IRQ

Abbreviation for interrupt request. A signal that data is about to be sent to or

received by a peripheral device travels by an IRQ line to the microprocessor. Each

peripheral connection must be assigned an IRQ number. For example, the first

serial port in your system (COM1) is assigned to IRQ4 by default. Two devices

can share the same IRQ assignment, but you cannot operate both devices

simultaneously.

ISA

Acronym for Industry-Standard Architecture. A 16-bit expansion bus design. The

expansion-card connectors in an ISA system are also compatible with 8-bit ISA

expansion cards.

ISV

Abbreviation for independent software vendor.

ITE

Abbreviation for information technology equipment.

Java

A cross-platform programming language developed by Sun Microsystems.

JSSE

Abbreviation for Java Secure Socket Extension.

jumper

Jumpers are small blocks on a circuit board with two or more pins emerging from

them. Plastic plugs containing a wire fit down over the pins. The wire connects

the pins and creates a circuit. Jumpers provide a simple and reversible method of

changing the circuitry in a printed circuit board.

Abbreviation for kilo-, indicating 1000.

Abbreviation for kilobyte(s), 1024 bytes.

KB/sec

Abbreviation for kilobyte(s) per second.