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- Question
When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.
Options- A. clock
- B. pulse
- C. register
- D. transistor
- E. None of the above
- Correct Answer
- clock
- 1. MAC is
Options- A. a method of determining which device has access to the transmission medium at any time
- B. a method access control technique or multiple-access transmission media
- C. a very common bit-oriented data link protocol issued to ISO.
- D. network access standard for connecting stations to a circuit-switched network
- E. None of the above Discuss
- 2. You are the administrator of a Windows 2000 Server computer that has FIVE hard disks. Four 100 GB hard disks on the server are configured as a single stripe volume. You want to reconfigure the fourth disk so that the volume is fault tolerant and has as much space possible available for storing data. You want to use only existing hardware. What should you do?
Options- A. Convert the disk to dynamic disk shut down and restart the server
- B. Backup the data on the stripe volume and delete the stripe volume. Create a raid5 volume on the four disks, restore the data to the new raidS volume
- C. Backup the data on the stripe volume and delete the stripe volume. Create to mirror volume, shut down and restart the server. Restore the data to new mirror volumes
- D. Backup the data on the stripe volume and delete the stripe volume. Create a span volume for the first two disks, create a second span volume for the last two disk. Mount the root of the second span volume in the root of the first span volume. Restore the data to the first span volume
- E. None of above Discuss
- 3. What is the barrier potential of a silicon diode at room temperature?
Options- A. 0.7V
- B. 0.3V
- C. 1 V
- D. 2 m V per degree Celsius
- E. None of the above Discuss
- 4. Which one of the following statements is true for voltage in a series circuit?
Options- A. The total voltage is equal to the sum of the individual voltages in a series circuit
- B. The total voltage in a series circuit is equal to the average value of the individual voltages
- C. The total voltage of a series circuit is equal to the total current divided by the total resistance
- D. The total voltage in a series circuit is always less than the value of the smallest voltage
- E. None of the above Discuss
- 5. Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
Options- A. The voltage remains at one polarity and at a steady level
- B. The voltage remains at one polarity but changes value periodically
- C. The voltage causes current to flow in two directions at the same time
- D. The voltage reverses polarity periodically
- E. None of the above Discuss
- 6. Which one of the following statements is true for the impedance of a series RC circuit?
Options- A. The impedance is greater than the sum of the resistance and capacitive reactance
- B. The impedance is equal to the sum of the resistance and capacitive reactance
- C. The impedance is greater than either the resistance or capacitive reactance but less than their sum
- D. The impedance is less than the sum of the resistance and capacitive reactance
- E. None of the above Discuss
- 7. If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
Options- A. Park
- B. Bridge
- C. Interface
- D. Link
- E. None of the above Discuss
- 8. The core of an electromagnet is said to be in saturation when:
Options- A. the core is permitted to move freely within the coil
- B. an increase in current through the coil causes no further increase in the mmf
- C. frequent changes in the direction of current through the coil causes heating effects in the core material
- D. changing the polarity of the current in the coil changes the polarity of the magnetic field around the core
- E. None of the above Discuss
- 9. Which one of the following statements best applies to a series RLC circuit?
Options- A. The voltage waveform for each component always has the same amplitude and phase as the applied voltage
- B. The current waveform for each component always has the same amplitude and phase as the applied current
- C. All of the above
- D. The sum of the current is always less than the applied current
- E. None of the above Discuss
- 10. Which one of the following principles best describes the basic operation of a generator?
Options- A. Like magnetic poles repel; unlike poles attract
- B. Current is induced in a conductor that is moving through a magnetic field
- C. Like magnetic poles attract; unlike poles repel
- D. Current flowing through a conductor generates a magnetic field
- E. None of the above Discuss
More questions
Correct Answer: a method of determining which device has access to the transmission medium at any time
Correct Answer: Backup the data on the stripe volume and delete the stripe volume. Create a raid5 volume on the four disks, restore the data to the new raidS volume
Correct Answer: 0.7V
Correct Answer: The total voltage is equal to the sum of the individual voltages in a series circuit
Correct Answer: The voltage remains at one polarity but changes value periodically
Correct Answer: The impedance is greater than either the resistance or capacitive reactance but less than their sum
Correct Answer: Bridge
Correct Answer: an increase in current through the coil causes no further increase in the mmf
Correct Answer: The current waveform for each component always has the same amplitude and phase as the applied current
Correct Answer: Current is induced in a conductor that is moving through a magnetic field
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