71.The ( ) is the brain of the personal computer.

A.microprocessor

B.storage

C.keyboard

D.Printer

72.The (72) controls the cursor on the screen and allows the user to access commands by pointing and clicking.

A. program

B. keyboard

C. mouse

D. Display

73.When you create an account, you are typically asked to enter a user ID and( ).

A.name

B.requirement

C.password

D.program0

74.When saving a new document, you must decide on a name for the document and the( ) where it will be saved to.

A.address

B.location

C.program

D.application

75.( ) is a fast, cheap and convenient way to send and receive messages internationally.

A.Telephone

B.Mail

C.E-mail

D.Postcard

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