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Computer Hardware

Computer Hardware
What device protects against line deficiencies?

UPS
Surge protector
Logic probe
Capacitor

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Computer Hardware
What command is used to reset a MODEM when using the

DCE
None of these
ATZ
ATR
DTR

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Computer Hardware
Which device uses a DMA channel?

Network Card
All of the listed here
Modem
Sound Card

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

Protected Mode
None of these
Segmented Mode
Real Mode
Unprotected Mode

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Computer Hardware
Which standard govern parallel communications?

CAT 5
RS-232a
RS232
IEEE 1284
None of these

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Computer Hardware
What IRQ is used for COM 2?

2
1
None of these
3
4

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