Question

Файл раз­ме­ром 80 Кбайт пе­ре­даётся через не­ко­то­рое со­еди­не­ние со ско­ро­стью 1536 бит в се­кун­ду. Опре­де­ли­те раз­мер файла (в Кбайт), ко­то­рый можно пе­ре­дать за то же время через дру­гое со­еди­не­ние со ско­ро­стью 768 бит в се­кун­ду. В от­ве­те ука­жи­те одно число — раз­мер файла в Кбайт. Еди­ни­цы из­ме­ре­ния пи­сать не нужно.

Answer 1

1) 80*1024*8=655360 бит

2)655360\1536=427 сек.

3)427*768=327680 бит=40960байт=40Кбайт

Ответ: 40 Кбайт

Answer 2

Calculation of File Size

To determine the size of a file that can be transmitted in the same amount of time through a different connection with a speed of 768 bits per second, we need to compare the speeds of the two connections and calculate the file size accordingly.

The first connection has a speed of 1536 bits per second, and the file size is given as 80 kilobytes (KB). We can calculate the time it takes to transmit the file using the formula:

Time = File Size / Speed

For the first connection: Time = 80 KB / 1536 bits per second

Now, let's calculate the time it takes to transmit the file through the second connection with a speed of 768 bits per second.

Calculation for the Second Connection

Using the formula mentioned above, we can calculate the file size for the second connection:

File Size = Time * Speed

Substituting the values: File Size = Time * 768 bits per second

To find the file size in kilobytes (KB), we need to convert the result from bits to kilobytes. Since 1 byte is equal to 8 bits and 1 kilobyte is equal to 1024 bytes, we can use the following conversion:

File Size in KB = (File Size in bits) / (8 bits per byte * 1024 bytes per kilobyte)

Let's calculate the file size for the second connection.

Calculation

Using the calculated time from the first connection, we can calculate the file size for the second connection:

File Size = Time * 768 bits per second

Converting the file size from bits to kilobytes:

File Size in KB = (File Size in bits) / (8 bits per byte * 1024 bytes per kilobyte)

Now, let's perform the calculations.

Step 1: Calculate the time it takes to transmit the file through the first connection.

Time = 80 KB / 1536 bits per second

Step 2: Calculate the file size for the second connection.

File Size = Time * 768 bits per second

File Size in KB = (File Size in bits) / (8 bits per byte * 1024 bytes per kilobyte)

Calculation Results

After performing the calculations, the file size that can be transmitted in the same amount of time through the second connection with a speed of 768 bits per second is approximately 40 kilobytes (KB).

Please note that the calculations are based on the given information and assumptions about the file size and connection speeds.