Describe two ways in which analog and digital signals are boosted.?
What will be an ideal response?
Here are the two ways analog and digital signals are boosted:amplifier-Analog signals pass through an amplifier, an electronic device that increases the voltage, or strength, of the signals. Unfortunately, the boost can also boost the noise that has accumulated in the signal, which causes the analog signal to worsen progressively. After multiple amplifications, an analog signal may become difficult to decipher.?repeater-Recall that a repeater is a device that regenerates a digital signal in its original form, without the noise it might have previously accumulated.A switch on an Ethernet network works as a multiport repeater as the bits transmitted"start over"at each port on the switch.
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When you define a C++ class so that the result is an ADT, which of the following remarks about whether to make a member variable or function public or private are correct?
a) Make them all public. It simplifies life and makes things more efficient to be able access members anywhere. b) Don’t make member variables public. c) Make all member functions public. d) There are some member functions that shouldn’t be public, but most should be public.
Using a field that contains a year of birth and a field that contains the current year to determine the age of a person listed in a database is called ________
Fill in the blank(s) with correct word
A SIM card can be found in a smartphone
Indicate whether the statement is true or false
Use the Animation ____ to copy the animation, effects, and duration applied to one object to another object.
A. Wizard B. CopyCat C. Vault D. Painter