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katovenus [111]
3 years ago
14

In the beginning of wireless technology, some devices used _____ technology to "beam" information from one source to another sou

rce without the use of wired connections. a. ​air-compression b. ​xray c. ​gamma spectrum d. ​infrared
Computers and Technology
1 answer:
sveticcg [70]3 years ago
4 0

Answer:

D. infrared.

Explanation:

Wireless technology for communication uses electromagnetic wave to transmit signals between location. It eliminates the need of cables for connecting network devices.

In previous wireless technology implementation, Infrared rays were used (in tv remotes), which needed to be in the line of sight to its destination. Although it was fast, it has many limitations for a long-haul transmission like its short transmission range, easily blocked by objects and its uni-directional properties.

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2 years ago
Which of the following is used to allocate memory for the instance variables of an object of a class?1. the reserved word public
kodGreya [7K]

Answer:

The correct answer to the following question will be 2. the operator new.

Explanation:

New operator is used to allocating the memory to the instance object.The new object can be created by using a "new" keyword in java .

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obj = new ABC ();

call the construction of ABC class

3 0
3 years ago
Describe psychographic differences among the past five generations of Americans that you learned about in this course. What type
Hunter-Best [27]

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2 years ago
What special enterprise VPN supported by Cisco devices creates VPN tunnels between branch locations as needed rather than requir
castortr0y [4]

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Explanation:

4 0
2 years ago
How do you find the exterior angle measure of any regular polygon? (The degree in which to turn the turtle to draw a shape)
Diano4ka-milaya [45]

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