IDE cables have how many pins?
Answer: D
Correct answer: 40
The IDE ribbon cable has 40 pins; the 80-conductor cable used for the faster modes still has 40 pins, the extra wires being grounds.
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On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?
Answer: B
Correct answer: In the phone line
Carrier detect is the modem's report that it can hear the far end. A modem known to be good that sees no carrier is being told, correctly, that nothing is arriving - so the fault is on the line.
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ESD would cause the most damage to which component?
Answer: B
Correct answer: Expansion board
Static discharge damages semiconductors, and an expansion board is dense with them and handled directly. A power supply, monitor and keyboard are all far more robust.
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A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?
Answer: D
Correct answer: verify the link status on the computer's network card
The link light shows whether there is a working connection to the switch at all. If it is dark, no amount of driver or protocol work will help, so it is checked before anything in software.
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You are testing the resistance in Ohms of a fuse on a 5 amp system. If the fuse is good, the meter should read?
Answer: C
Correct answer: 0.0
A good fuse is a piece of wire, so its resistance is effectively zero and the meter reads 0.0. Its current rating has no bearing on the resistance reading.
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What IRQ is used for COM 2?
Answer: B
Correct answer: 3
COM1 and COM3 share IRQ4; COM2 and COM4 share IRQ3. That sharing is why two devices on the even-numbered ports conflict.
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What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
Answer: A
Correct answer: Replacing the ribbon
Patchy, faint or uneven print on a dot matrix printer means the ribbon is worn or is no longer advancing evenly over its whole width. Replacing it is the first and usually the only step.
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In a computer keyboard the Alt, Ctrl, Shift, Del & Insert keys are known as
Answer: D
Correct answer: Special purpose keys
Alt, Ctrl, Shift, Delete and Insert do not type characters; each modifies or controls what the machine does with other keystrokes, which is what makes them special purpose keys.
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What is the main communication method from one PDA to another PDA?
Answer: A
Correct answer: IR
Handheld organisers exchanged data by lining up their infrared ports, which needed no cable and no configuration. USB and FireWire connect a PDA to a computer rather than to another PDA.
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Which would you have to upgrade to install an EIDE drive?
Answer: C
Correct answer: Controller board
EIDE adds larger drive support, faster transfer modes and a second channel, none of which an older IDE controller provides. The CPU and the motherboard bus need not change.
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