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Computer Basic Information

Computer Basic Information
Firewalls are used to protect against ___

Unauthorised access
Data Driven Attacks
Virus Attacks
Fire Attacks

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Computer Basic Information
Which of the following is used as a primary storage device?

Magnetic drum
None of these
All of these
PROM
Floppy disk

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Computer Basic Information
An advantage of overlapped processing activities is:

better coordination of I/O activities
more effective use of the CPU
increased processing activities for the entire system
All listed here
None of these

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Computer Basic Information
Factory production lines can be automated using?

Plotters
None of these
Machine tools
VDUs

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Computer Basic Information
A device that transmits messages in verbal form is

Audit trail
None of these
Audio response unit
Magnetic tape
Card punch

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Computer Basic Information
A hand-held device for optically reading bar codes on goods, labels & shelves is

None of these
Light pen
Wand
Mouse
Touch tablet

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