Which of the following actions is helpful in improving computer performance?

A) replacing the CPU B) increasing RAM
C) buying new software D) buying a dedicated printer

B

Computer Science & Information Technology

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A(n) ________ enables a program to read data from the user.

a. printf. b. import declaration. c. Scanner. d. main.

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Computer Science & Information Technology

If a class contains at least one pure virtual function, it is a(n) _______ class.

Fill in the blank(s) with the appropriate word(s).

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Computer Science & Information Technology

An e-mail ____ identifies a user so that he or she can receive Internet e-mail.

A. address B. profile C. attachment D. domain

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Computer Science & Information Technology

Which of these PC cases has the largest footprint?

A. Laptop B. Desktop ATX case C. Small form factor case D. No significant differences between these footprints

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Computer Science & Information Technology