Answer:
I can :) just comment lol
A primary key is a field that contains data unique to a record
Then there would be no way to see the output based off what you input. =)
XT(extra technology) computer: it cannot support GUI Based operating system. its processing speed is 477MHz
AT(advanced technology):it supports GUI Operating system. Its processing speed is 2GHz
PS/2:is a laptop computer which is rechargeable
and battery powered. it's operated with OS/2 operating system.
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