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Computer Basic Information

Computer Basic Information
Firewalls are used to protect against ___

Data Driven Attacks
Unauthorised access
Virus Attacks
Fire Attacks

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Computer Basic Information
The OR, XOR & AND functions can be performed by _____ of the computer in a CPU.

Memory
ALU
CU
Register
None of these

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Computer Basic Information
The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is

300-600
2400-4700
None of these
150-250
390-600

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Computer Basic Information
A random-access data storage device which gives rapid access to data is

Magnetic tape
Disk storage unit
None of these
Punched card
Buffer

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Computer Basic Information
Which system was developed by Rank-Xeron for use with office computers and other equipment.

None of these
UNIX
PC-DOS
ETHERNET
MS-DOS

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Computer Basic Information
Which of the following terminals' output most closely resembles the output produced by a plotter?

hardcopy terminal
graphics terminal
None of these
POS terminal
All listed here

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