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3 years ago

10

Jane is debugging a code consisting of 25 lines. The code starts executing at line 11. At line 13, the code calls another method

. Jane finds no errors until line 16. At line 18, the code stops execution. What is the breakpoint in this code?
A.) 11
B.) 13
C.) 18
D.) 16

Computers and Technology

2 answers:

Free_Kalibri [48]3 years ago

6 0

C.) 18

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Lemur [1.5K]3 years ago

3 0

18. Because the code has errors at 16 but still functions

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3 years ago

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For a new version of processor, suppose the capacitive load remains, how much more energy will the processor consume if we incre

xxMikexx [17]

Answer:

72.80 % more energy will be consumed.

Explanation:

First of all, let us have a look at the formula of energy for a processor.

$E = CV^2f$

Where, $E$ is the energy

$C$ is the capacitance

$V$ is the voltage and

$f$ is the clock rate.

Let $E_1$ be the energy of older processor.

$C_1$ be the capacitance of older processor.

$V_1$ be the voltage of older processor

$f_1$ be the capacitance of older processor

So, $E_1 = C_1V_1^2f_1$ ....... (1)

and

Let $E_2$ be the energy of newer processor.

$C_2$ be the capacitance of newer processor.

$V_2$ be the voltage of newer processor

$f_2$ be the capacitance of newer processor

$E_2 = C_2V_2^2f_2$ ....... (2)

Dividing equation (2) with equation (1):

$\dfrac{E_2}{E_1} = \dfrac{C_2V_2^2f_2}{C_1V_1^2f_1}$

As per given statement:

$C_1=C_2$

$V_2=1.2\times V_1$

$f_2=1.2\times f_1$

Putting the values above:

$\dfrac{E_2}{E_1} = \dfrac{C_1\times (1.2V_1)^2\times 1.2f_1}{C_1V_1^2f_1}\\\Rightarrow \dfrac{E_2}{E_1} = \dfrac{(1.2)^2\times 1.2}{1}\\\Rightarrow \dfrac{E_2}{E_1} = 1.728\\\Rightarrow \bold{E_2 = 1.728 \times E_1}$

Energy consumed by newer processor is <em>1.728 </em>times the energy consumed by older processor.

OR

<em>72.80 %</em> more energy will be consumed by the newer processor.

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3 years ago

1.Electromagnetic waves can carry more data at higher frequencies. Why would a scientist opt to transmit data at a lower frequen

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1)The reason as to why scientists opt to transmit data at lower frequency instead of electromagnetic even if it can carry more data at a higher frequencies is because using higher frequencies of electromagnetic spectrum travel shorter distances but have higher data carrying capacity.So this physical characteristic of electromagnetic waves limits the range and availability of frequencies for sending information.
2) Limitations of using electromagnetic waves in sending communication
communication is a process of transmitting and receiving information in the form of signals.high technology communication use electromagnetic waves,there are various types of electromagnetic waves which are used in communication which include radio-waves,microwaves,infrared e.t.c some of their limitations are
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ii)Through the air signals can be distorted by atmospheric conditions and signals from space are sometimes distorted by solar activity
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iv)Through the air signals are not private,so any tuned receiver within the range can pick up them.
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Analogue and digital signal are used to transmit information usually through electric signals.
An analogue signal is continuous wave denoted by sine wave and may varry in signal strength (amplitude) or frequency(time) an example is sound from human voice is analogue because waves are continuous..
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one advantage of digital signals are inherently less susceptible than analog signals to interference caused by noise because with digital signal it is not necessary to evaluate precise amplitude,frequency or phase.
Another advantage based in capacity is that digital signals carry more information per second than analogue signals.
Digital signals maintain their quality over long distances better than analogue signals.
5)How we use digital and analogue signals in our everyday live
digital signal processing is the way of life of current generation
example is mobile phones do alot of digital signal processing .they process our our speech digitally to remove background noise,echo e.t.c
Television also do a lot of digital processing of video,audio signal to present them in a better way.
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Answer:

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