ICS Question - Multimeter Operations 1 A technician needs...

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Multimeter Operations 1. A technician needs to isolate an intermittent ground in a computer system. What color wire does the technician need to look for? A. Black C. Orange B. Green D. Red 2. Microelectronic parts in a computer operate on A. +120 volts AC power. C. low-voltage alternating current. B. high-voltage direct current. D. low-voltage direct current. 3. A digital circuit can be corrupted by electrical noise having a value of A. 24 volts. C. 7 volts. B. 12 volts. D. 1 volt. 4. Which fire extinguisher type would be best suited to extinguish a pile of burning newspapers? A. Class A C. Class C B. Class B D. Class D 5. A power supply that doesn’t filter the current properly would most likely have a defective A. capacitor. C. resistor. B. rectifier. D. transformer. 6. Why are P8 and P9 connectors keyed a certain way? A. So you can distinguish them from other connectors B. So they don’t accidentally come loose C. So they can be connected only one way D. So they’ll fit correctly into an 8-bit or 16-bit slot 7. What does a 20V marking on a device indicate? A. The electrical potential C. The power consumption B. The maximum current D. The resistance to current flow 8. You’ll most likely find a 20-pin power supply connector on which of the following computer systems? A. PC/XT C. SFX B. AT D. LPX 9. Two technicians are discussing the distortion that appears sporadically on a monitor. Technician A thinks it’s a bad video driver. Technician B wants to test the system on a different electrical circuit. Which of the following statements is correct? A. Only Technician A is correct. B. Only Technician B is correct. C. Both technicians are correct. D. Neither technician is correct. 10. A computer problem resulting from a bad power supply might be identified by POST through a A. single beep and no error message. B. parity error message. C. DEBUG message. D. continuous beep or a 02X message. 11. What voltage would you expect to measure on a red wire from a power supply? A. –5 VDC C. +5 VDC B. +3.3 VDC D. +12 VDC 12. Two technicians have calculated the power consumption of a 12 VDC 3-amp device. Technician A calculated that the device consumes 4 watts of power. Technician B calculated that the device consumes 36 watts of power. Which of the following statements is correct? A. Only Technician A is correct. B. Only Technician B is correct. C. Both technicians are correct. D. Neither technician is correct. 13. The power-good signal from the power supply prevents the computer from A. being damaged by electrical brownouts. B. being damaged by static electricity. C. accepting current from the rechargeable battery on the motherboard. D. accepting current that could damage the system.
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14. When considering the purchase of a new power supply, what is the maximum ripple that the unit should have? A.
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This note was uploaded on 12/29/2011 for the course DAA 456 taught by Professor Gsrg during the Spring '11 term at Abraham Baldwin Agricultural College.

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ICS Question - Multimeter Operations 1 A technician needs...

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