User`s guide

Agilent VISA User’s Guide 149
direct I/O
Programmatic communication with instruments not
involving an instrument driver. Direct I/O may be
accomplished by using an IO Library (VISA, VISA COM,
SICL, or Agilent 488) or by using direct I/O tools such as
those provided by Agilent VEE and Agilent T&M Toolkit.
driver
See instrument driver and device driver.
explorer view
The tree view within the Connection Expert window that
shows all devices connected to a test system.
handler
A software routine that responds to an asynchronous
event such as an SRQ or an interrupt.
instrument
A device that accepts commands and performs a test and
measurement function.
instrument driver
Software that runs on a computer to allow an application
to control a particular instrument.
Interactive IO
An Agilent application that allows you to interactively
send commands to instruments and read the results.
Interactive IO is part of the Agilent IO Libraries Suite
product.