When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:
Answer: B
Correct answer: An unused SCSI address
Every device on a SCSI bus must have a unique ID, so the drive is set to whichever address is still free. Fixing on ID 1 would risk a clash with a device already using it.
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You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
Answer: C
Correct answer: as a slave
Two drives on one IDE channel must be distinguished as master and slave, and the boot drive keeps master. The added drive is therefore set to slave.
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How is ink transferred to paper in common ink jet printers?
Answer: B
Correct answer: Crystal
In a piezoelectric inkjet a voltage deforms a crystal behind each nozzle, and the sudden change of volume ejects a drop. The other family, thermal inkjet, boils a bubble of ink instead; both are drop-on-demand.
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The digital multimeter is set for DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse
Answer: A
Correct answer: 0.00
A good fuse is a piece of wire, so its resistance is effectively zero and the meter reads 0.00 on a 20k range. A blown fuse would read as an open circuit.
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What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?
Answer: B
Correct answer: led display
Brightness and contrast on a laptop are properties of the backlight and panel, so a fault that survives the adjustment is in the display assembly itself rather than in the switch or the fuse.
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A capacitor is measured in which of the following units?
Answer: C
Correct answer: Farads
Capacitance is measured in farads. Volts measure potential difference and ohms resistance.
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IBM's Micro Channel Architecture (MCA) specifies which type of the following bit access widths?
Answer: C
Correct answer: 16 bit & 32 bit
IBM's Micro Channel was offered in 16-bit and 32-bit widths, with automatic configuration and no jumpers - advanced for its day, but proprietary, which is why EISA was created in answer to it.
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IRQ6 is typically reserved for:
Answer: A
Correct answer: The floppy
IRQ6 is the floppy disk controller. IRQ1 is the keyboard and IRQ5 is usually LPT2 or a sound card.
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Resistance is measured in units of:
Answer: A
Correct answer: ohms
Resistance is measured in ohms; farads measure capacitance and amperes current.
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Teletypewriter terminal is an example of
Answer: C
Correct answer: input/output devices
A teletypewriter both accepts typed input and prints output, so it works in both directions - which is why it was the standard console of early computers.
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