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How many IRQs does a chain of USB devices require?

None of the above

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Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

Scanning mirror

Toner cartridge

Ozone filter

All of the above

None of the above

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You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot?

fuser

printer head

primary corona

high-voltage power supply

None of the above

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A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?

hard drive

video card

power cable

power supply

None of the above

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MCQ

Which of the following statements is true?

Two SCSI devices connected to a computer can have the same ID if they are both hard drives.

Each SCSI device must have its own ID

All SCSI devices must have the same ID

SCSI ID's are irrelevant

None of the above

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MCQ

An anti static strap uses a small _____ to make sure you do not become the least path of resistance to the ground?

capacitor

diode

transistor

resistor

None of the above

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Engineering

General

Medical

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category More Computer Fundamentals Topics

Data Communication and Networking

Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

Operating System

Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

Computer Awareness

Files and its types

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