题目内容

When a read-write head makes contact with the hard disk’s surface, it causes a head:

A. crash
B. land
C. pit
D. scratch

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The concept related to using computer networks to link people and resources.

A. connectivity
B. GPS
C. TCP/IP
D. Wi-Fi

A high-frequency transmission cable that delivers television signals as well as connectscomputers in a network.

A. coaxial
B. hi def
C. 3D
D. twisted pair

A short-range radio communication standard that transmits data over short distances of up to approximately 33 feet.

A. Bluetooth
B. broadband
C. DSL
D. TCP/IP

The speed with which a modem transmits data is called its:

A. digital velocity
B. dynamic rate
C. modular rating
D. transfer rate

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