Toshiba Satellite L875D-S7332 User Guide - Page 168

CPU cache, cursor, Desktop, default, device, device driver, dialog box, Direct Current DC

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Page 168 highlights

168 Glossary CPU-See Central Processing Unit (CPU). CPU cache-A section of very fast memory residing between the CPU and the computer's main memory that temporarily stores data and instructions the CPU will need to execute commands and programs. See also cache, L1 cache, L2 cache. cursor-An on-screen symbol (usually a flashing vertical line) that indicates the position where characters will appear when you enter data. D Desktop-Displays the standard Windows® operating system look and feel. default-The setting selected by a program when the user does not specify an alternative setting. device-A component attached to the computer. Devices may be external (outside the computer's case) or internal (inside the computer's case). Printers, disk drives, and modems are examples of devices. device driver-A program (called a "driver") that permits a computer to communicate with a device. dialog box-An on-screen window displayed by the operating system or a program giving a direction or requesting input from the user. Direct Current (DC)-The type of power usually supplied by batteries. DC flows in one direction. Compare Alternating Current (AC). Direct Memory Access (DMA)-A dedicated channel, bypassing the CPU, that enables direct data transfer between memory and a device. directory-See folder. disable-To turn a computer option off. See also enable. disc-A round, flat piece of material, designed to be read from and written to by optical (laser) technology, and used in the production of optical discs, such as CDs and DVDs. Compare disk. disk-A round, flat piece of material that can be magnetically influenced to hold information in digital form, and used in the production of magnetic disks, such as hard disks. Compare disc. See also hard disk.

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168
Glossary
CPU
—See
Central Processing Unit (CPU).
CPU cache
—A section of very fast memory residing between the CPU
and the computer’s main memory that temporarily stores data and
instructions the CPU will need to execute commands and programs.
See also
cache, L1 cache, L2 cache.
cursor
—An on-screen symbol (usually a flashing vertical line) that
indicates the position where characters will appear when you enter
data.
D
Desktop
—Displays the standard Windows
®
operating system look and
feel.
default
—The setting selected by a program when the user does not
specify an alternative setting.
device
—A component attached to the computer. Devices may be
external (outside the computer’s case) or internal (inside the
computer’s case). Printers, disk drives, and modems are examples of
devices.
device driver
—A program (called a “driver”) that permits a computer to
communicate with a device.
dialog box
—An on-screen window displayed by the operating system or
a program giving a direction or requesting input from the user.
Direct Current (DC)
—The type of power usually supplied by batteries.
DC flows in one direction. Compare
Alternating Current (AC).
Direct Memory Access (DMA)
—A dedicated channel, bypassing the
CPU, that enables direct data transfer between memory and a
device.
directory
—See
folder
.
disable
—To turn a computer option off. See also
enable
.
disc
—A round, flat piece of material, designed to be read from and
written to by optical (laser) technology, and used in the production
of optical discs, such as CDs and DVDs. Compare
disk.
disk
—A round, flat piece of material that can be magnetically influenced
to hold information in digital form, and used in the production of
magnetic disks, such as hard disks. Compare
disc.
See also
hard
disk.