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Computer Hardware

Computer Hardware
What is the i/o address for com2?

2f8
2vb
None of the listed here
8f8

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Computer Hardware
You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?

replace the RAM
replace the level 2 cache SIMM
disable the CPU cache in CMOS
rotate the RAM
replace the CPU

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Computer Hardware
In which mode can 2 or more applications be stored in memory at the same time?

Protected Mode
Segmented Mode
Real Mode
Unprotected Mode
None of these

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Computer Hardware
Before sending data, a modem sends a request to send signal, or RTS.

bearing
power supply
1
None of these

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Computer Hardware
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

any small vacuum device
non-static compressed air
blow real hard on the system board
reverse vacuum
use a lint-free cloth and wipe gently

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Computer Hardware
Which device should not be plugged into a standard ups?

an external modem
laser printer
None of these
monitor
ink-jet printer

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