WAP uses （71) , which includes the Handheld Device Markup Language （HDML) developed by Pho

WAP uses(71), which includes the Handheld Device Markup Language (HDML) developed by Phone.com. WML can also trace its roots to eXtensible Markup Language (XML). A markup language is a way of adding information to your(72)that tells the device receiving the content what to do with it. The best known markup language is Hypertext Markup Language.(73)HTML, WML is considered a meta. language. Basically, this means that in addition to providing predefined(74), WML lets you design your own markup language(75). WAP also allows the use of standard Internet protocols such as UDP, IP and XML.

A．HTML

B．XML

C．DML

D．WML

WAP uses(66)which includes the Handheld Device Markup Language(HDML)developed by Phone.com. WML can also trace its roots to eXtensible Markup Language(XML). A markup language is a way of adding information to your(67)that tells the device receiving the content what to do with it. The best known markup language is Hypertext Markup Language.(68)HTML, WML is considered a meta. language. Basically, this means that in addition to providing predefined(69), WML lets you design your own markup language(70). WAP also allows the use of standard Internet protocols such as UDP, IP and XML.

A．HTML

B．XML

C．DML

D．WML

A typical peripheral device has(66)which the processor uses to select the device's internal registers.

A．data

B．a control

C．a signal

D．an address

ctory()is used to store version file. IMG

A．data B．a control C．a signal D．an address

Computer systems consist of two very different types of elements:(71 ) , which includes all the physical things that can be touched and Software, which tells the hardware how to do.

A．Operating system

B．I/O devices

C．Courseware

D．Hardware

A．data

B．controls

C．signals

D．registers

A．data

B．a control

C．a signal

D．an address

A. If a router is used, the collision domain includes all devices connected to the router.

B. If a hub is used, the collision domain is limited to each device and the hub.

C. If a switch is used, the collision domain is limited to each device and the switch.

D. If a bridge is used, the collision domain includes all devices connected to the bridge.