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Computer Hardware

Computer Hardware
From what location are the 1st computer instructions available on boot up?

None of these
CPU
boot.ini
ROM BIOS
CONFIG.SYS

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Computer Hardware
Current is measured in units of:

volts
farads
amps
diodes
ohms

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Computer Hardware
The ESD wrist strap is designed to protect PC Components or Service Technicians ?

Service Technicians
PC Components
Both Service Technicians and PC Components
None of the listed here

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Computer Hardware
Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?

None of these
lines per sheet
characters per second
characters per inch
lines per inch

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

None of these
4
3
7
8

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Computer Hardware
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

None of these
50Mhz
25Mhz
100 Mhz
l0Mhz

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