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Ymorist [56]
1 year ago
15

An mp3 takes up about 16 kilobytes of memory per second of music. if you owned a one terabyte hard drive and filled it with only

mp3s, how many days' worth of music would you have? (keep track of units: kilobytes to terabytes and seconds to days)
Computers and Technology
1 answer:
xxTIMURxx [149]1 year ago
8 0

60 sec. = 1 min. 3,600 sec = 1 hr. (60 sec x 60 minutes) 86,400 sec= 24 hr. (3,600 x 24) Given : 16,000 (bytes per seconds, for mp3 ) 86,400 X 16,000 = 1,382,400,000 bytes for 24 hrs. 1,382,400,000 = 1,382.4 mega bytes (Mb.) for 24 hrs of music Looking for how many days are in 1,000,000 Mb. 1,000,000 / 1,382.4 = 723.379629 Days worth of music.


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Import java.util.scanner; public class sumofmax { public double findmax(double num1, double num2) { double maxval; // note: if-e
jeyben [28]

Here you go,


Import java.util.scanner

public class SumOfMax {

   public static double findMax(double num1, double num2) {

       double maxVal = 0.0;

       // Note: if-else statements need not be understood to

       // complete this activity

       if (num1 > num2) { // if num1 is greater than num2,

           maxVal = num1; // then num1 is the maxVal.

       }

       else { // Otherwise,

           maxVal = num2; // num2 is the maxVal.

       }

       return maxVal;

   }

   public static void main(String[] args) {

       double numA = 5.0;

       double numB = 10.0;

       double numY = 3.0;

       double numZ = 7.0;

       double maxSum = 0.0;

       /* Your solution goes here */

       maxSum = findMax(numA, numB); // first call of findMax

       maxSum = maxSum + findMax(numY, numZ); // second call

       System.out.print("maxSum is: " + maxSum);

       return;

   }

}

/*

Output:

maxSum is: 17.0

*/

6 0
2 years ago
Write the 8-bit signed-magnitude, two's complement, and ones' complement representations for each decimal number: +25, + 120, +
pshichka [43]

Answer:

Let's convert the decimals into signed 8-bit binary numbers.

As we need to find the 8-bit magnitude, so write the powers at each bit.

      <u>Sign -bit</u> <u>64</u> <u>32</u> <u>16</u> <u>8</u> <u>4</u> <u>2</u> <u>1</u>

+25 - 0 0 0 1 1 0 0 1

+120- 0 1 1 1 1 0 0 0

+82 - 0 1 0 1 0 0 1       0

-42 - 1 0 1 0 1 0 1 0

-111 - 1 1 1 0 1 1 1 1

One’s Complements:  

+25 (00011001) – 11100110

+120(01111000) - 10000111

+82(01010010) - 10101101

-42(10101010) - 01010101

-111(11101111)- 00010000

Two’s Complements:  

+25 (00011001) – 11100110+1 = 11100111

+120(01111000) – 10000111+1 = 10001000

+82(01010010) – 10101101+1= 10101110

-42(10101010) – 01010101+1= 01010110

-111(11101111)- 00010000+1= 00010001

Explanation:

To find the 8-bit signed magnitude follow this process:

For +120

  • put 0 at Sign-bit as there is plus sign before 120.
  • Put 1 at the largest power of 2 near to 120 and less than 120, so put 1 at 64.
  • Subtract 64 from 120, i.e. 120-64 = 56.
  • Then put 1 at 32, as it is the nearest power of 2 of 56. Then 56-32=24.
  • Then put 1 at 16 and 24-16 = 8.
  • Now put 1 at 8. 8-8 = 0, so put 0 at all rest places.

To find one’s complement of a number 00011001, find 11111111 – 00011001 or put 0 in place each 1 and 1 in place of each 0., i.e., 11100110.

Now to find Two’s complement of a number, just do binary addition of the number with 1.

6 0
2 years ago
Consider the following scenario: "You are an assistant to the accounting manager for a small company that sells sports equipment
Rzqust [24]

Answer:

1. Microsoft Excel helps data analysis through different spreadsheet queries and operations options.

2. Input data to the analysis of sales by product is required for the development of formula and extracting results.

3. The information of data source and frequency of report is required to start the work.

Explanation:

1. Microsoft Excel tool can be used to calculate the results of equipment. Obtained results can be displayed in charts and graphs from the excel.

2. Information like the quantity of sold items, remaining items are required to produce accurate, useful analysis.

Before starting assignment accounting manager will be asked the following questions.

1) Where does the input data come from?

2) Is analysis required on a daily basis or once for all provided data?

3) Is Summary is in the form of tabular data, Graphical data, or Both?

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After deploying a large number of wireless laptop computers on the network, Taylor, the IT director at Contoso, Ltd. decides to
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Answer:

Setting of short lease time for IP addresses in order to enhance quicker access from clients

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2 years ago
A city planner is using simulation software to study crowd flow out of a large arena after an event has ended. The arena is loca
Damm [24]

Answer:

d)

Explanation:

The main limitation of simulations is that running a simulation requires a large number of observations to be collected before it can be used to explore a problem. In a real life situation there are thousands of variables to take into consideration which can drastically affect the way that the situation unfolds at any given time. Therefore, in order to replicate/simulate such a scenario all of these variables need to be taken into consideration. This data can take a large amount of time to observe and collect in order to implement into the simulation so that it provides an accurate depiction of the problem.

6 0
2 years ago
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