HP Compaq Presario,Presario 7479 Reference Manual page 103

memory – The place where data and instructions are stored for use by the
processor. There are several different types of memory that include the following:
x random-access memory (RAM) – The space where programs and data are
stored as they are used.
x read-only memory (ROM) – The space where data needed to run the computer
is stored. The computer can access but not change this data.
x virtual memory – The use of hard disk file space to extend the capability of
random-access memory.
MHz – See megahertz.
microprocessor – An integrated circuit on the system board that contains the
entire central processing unit. May be considered the brain of the computer. The
speed of a microprocessor is measured in megahertz. See hertz, megahertz.
Microsoft Internet Explorer – A Web browser developed by the Microsoft
Corporation; used to view hypertext documents on intranet web sites as well as
documents on the World Wide Web.
Microsoft Windows – The family of GUI-based computer operating systems
developed by the Microsoft Corporation.
Microsoft Windows Explorer – A browser program used to access and view the
contents of data storage drives available to the computer.
Microsoft Windows NT – A network operating system developed by the
Microsoft Corporation.
MIDI – See Musical Instrument Digital Interface.
MIDI/Gameport connector – A receptacle that accepts a gamepad, joystick, or
similar device to permit more realistic game play than is possible with a mouse or
touchpad.
MMX – See multimedia extension.
modem (modulator/demodulator) – A device that converts data from a digital to
analog format at the originating computer so that it can be transmitted over
standard telephone lines. The modem at the receiving end of the transmission then
converts the data from analog back to digital format so that the receiving computer
can read it. See analog, digital.
motherboard – See system board.
Glossary-9