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Drupady [299]
3 years ago
5

Which of the following is input devices? (a)Scanner (b) Keyboard (c) Both a and b (d) Plotter​

Computers and Technology
1 answer:
Anna35 [415]3 years ago
6 0

Answer:

C

Explanation:

Scanner and Keyboard are input device.

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Which of the following must be configured in certain applications to help ensure data aggregation and data isolation are impleme
Hitman42 [59]

Answer: (B) Log forwarding and (F) Zones

Explanation:

 According to the given question, the log forwarding and the zones are the  applications that are configured for ensuring the data isolation and aggregation that are implemented on the various types of critical devices and the applications.

  • The log forwarding is one of the type of application that are used for correlated the various types of events from the multiple resources from the one Forti-analyzer to the another unit.
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Therefore, Option (B) and (F) is correct.

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3 years ago
If you want to tune into a radio station that is carried by a signal with wavelength 3.0 meters, what channel would you choose?
Over [174]

Answer:  The radio should be tuned to 100. 0 Mhz.

Explanation:

As radio waves are electromagnetic waves, like x-rays, UV rays, and all the wavelengths of visible light, they propagate in the free space at the speed of light: 3. 10⁸ m/s.

At any wave, there is a fixed relationship between the distance travelled by the wave along one cycle (which is called wavelength ) and the speed at which the wave oscillates (which is called the frequency of the wave), with the speed at which the wave propagates, as follows:

λ (wavelength) =  v (speed) / f (frequency)

Replacing by the values, and solving for frequency, we have:

f = 3. 10⁸ m/seg / 3 m = 10⁸ 1/sec = 10⁸ Hz = 100. 0 Mhz

This is the radio channel to which must be tuned in order to listen the station with a wavelength of 3 m, in the FM band.

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