Computer Basic Information
Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

Hacker-resistant server
Hacker-proof program
Firewall
Encryption safe wall

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Computer Basic Information
A large computer designed to handle complex scientific calculations

must use fixed length words of four character each
None of these
may use only a firmed word-length storage approach
will likely require a character addressable storage unit
will not use numbered address locations

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