Toshiba Z930-S9311 Manual De Usuario

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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 
applications. 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.

default—The setting selected by an application when the user does not 

specify an alternative setting.

Desktop—Offers the traditional look and feel of the Windows

®

 desktop 

found in Windows 7 and earlier releases of the Windows

®

 operating 

system.

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 

an application 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.