Samsung Handheld Tablet PC 用户手册

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The Glossary lists the terminologies used in this User Guide.  

For terminologies other than these, look in Windows Help.

A way to save the current data to restore 

it later if necessary. A backup is a way to 

restore computer data when the data or 

computer is damaged.
Client

This refers to a computer that uses a 

shared network resource provided by a 

server.
DDR SDRAM (Double Data Rate 

DRAM is a memory type whose cells con-

sist of a capacitor and transistor manufac-

tured at a low price. SDRAM is a memory 

type whose performance has been im-

proved by synchronizing the clock with 

the external CPU clock. DDR SDRAM is 

a memory type whose performance has 

been improved by doubling the operat-

ing speed of the SDRAM and is widely 

used nowadays. This computer uses DDR 

SDRAM.
Device Manager

An administrative tool used to manage 

computer devices. You can add or remove 

hardware or update a device driver using 

the Device Manager.

An application interface developed to en-

able Windows application programs to 

access hardware devices at a very high 

speed. Since the operating speed of graph-

ics, memory and sound cards must be 

very fast to provide high quality video and 

sound for games, Direct X enables faster 

control and interaction between applica-

tions and hardware devices. By using 

Direct X, the multimedia performance of 

Windows has been hugely improved.
Driver

Software that interacts between the hard-

ware and the operating system. An operat-

ing system knows the hardware informa-

tion and controls the hardware. In general, 

a driver is supplied with the corresponding 

hardware device.
DVD (Digital Versatile Disk)

DVD was developed to replace CD (com-

pact disk). Although the shape and size of 

the disc are the same as that of a CD, the 

capacity of a DVD is at least 4.7GB while 

the capacity of a CD is 600MB. DVD video 

is digital unlike VHS (analog) video and 

supports MPEG2 compression and digital 

audio. To play a DVD, a DVD drive is re-

quired.