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Computer Hardware

Computer Hardware
A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?

100 Mhz
l0Mhz
25Mhz
None of these
50Mhz

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Computer Hardware
The buffers statement is found in what file?

Config.sys
Neb.cfg
None of these
Autoexec.ncf
Autoexec.bat

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Computer Hardware
14.4 modem should transmit _____ bits per second

1400-1500
140,000-150,000
None of these
14,400-15,000
140-150

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Computer Hardware
How many DMA channels are there in an AT class PC?

7
None of these
4
3
8

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Computer Hardware
How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?

8
12
16
None of these
4

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Computer Hardware
A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred?

A software problem
None of the listed here
A RAM problem
An ADB problem

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