A(n) _____ is a system of hardware and/or software that protects a computer or a network from intruders.

A. bridge
B. firewall
C. gateway
D. router
E. switch

Answer: B. firewall

Computer Science & Information Technology

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The optical drive can be an internal computer component

Indicate whether the statement is true or false

Computer Science & Information Technology

A strong reason to use a binary search tree is

A) to expedite the process of searching large sets of information. B) aesthetics and program design. C) to enhance code readability. D) it is more flexible than the unary search tree. E) None of the above

Computer Science & Information Technology