Bits, Bytes, Megabits and Megabytes

Jleo · 09-30-05, 08:29 AM

Is this correct?

2Megabit = 2,048,000 Bit = 2,048 K Bit = 256 K Byte = 0.25 M Byte

In relation to data transfer from ftp source > ftp receiver.

Incesticide · 09-30-05, 08:39 AM

In SI units 2 megabits = 2000 kilobits = 2,000,000 bits = 250000 bytes = 250 kilobytes = .25 Megabytes

Under windows 2 megabits = 2000 kilobits = 2,000,000 bits = 250,000 bytes = 244.14 kilobytes = .2384 Megabytes

Jleo · 09-30-05, 09:09 AM

My Windows has both Si and Binary equivalent

Captain Newbie · 09-30-05, 09:19 AM

Many (or at least the one at cs.dolphin.csuci) scientific circles have taken to writing megabytes, in the sense of decimal million bytes, as MB, kilobytes in the sense of decimal thousand bytes as KB, etc., and the binary forms as MiB ("binary million bytes"), ...

More information.

In my opinion, it's more cricket to write the binary millions/thousands/... because that's what the computer sees. Oh, and in the past, that's what KB and MB meant.

Incesticide · 09-30-05, 10:55 AM

Jleo, windows does not have both. Try looking at the properties of a file that is more than a megabyte, then more than a gigabyte.

Sjaak · 09-30-05, 10:58 AM

http://en.wikipedia.org/wiki/Kibibyte

http://en.wikipedia.org/wiki/Orders_...ude_%28data%29

9mmCensor · 09-30-05, 11:01 AM

Quote:

Originally Posted by Jleo

My Windows has both Si and Binary equivalent

WELCOME TO THE FORUMS!

Captain Newbie · 09-30-05, 11:58 AM

Quote:

Originally Posted by Incesticide

Jleo, windows does not have both. Try looking at the properties of a file that is more than a megabyte, then more than a gigabyte.

Also correct. It wouldn't make much sense if Windows did have both, since

1) It would confuse the user
2) It _might_ confuse the file management/disk management subsystem.

Windows uses the binary sense of KB/MB, as in 1024bytes = 1K(i)B and 4096bytes = 4K(i)B...This is why a quote-on-quote 120GB hard drive has less than 120GB available in Windows.

dittohead · 09-30-05, 04:25 PM

capital B for BYTE
and smallcase b for bits

Incesticide · 10-24-05, 06:22 AM

I don't know why you use the term quote-on-quote for hard drives showing less than their rated capacity in windows. This is an issue with windows, not the drive. The 120GB drive does in fact have 120 billion bytes of storage available. In linux, the drive space is reported just fine, as is the case with macintosh computers. Must I mention unix as well?

09-30-05, 08:29 AM	Thread Starter #1
Jleo New Member Join Date: Sep 2005	Bits, Bytes, Megabits and Megabytes Is this correct? 2Megabit = 2,048,000 Bit = 2,048 K Bit = 256 K Byte = 0.25 M Byte In relation to data transfer from ftp source > ftp receiver. Last edited by Jleo; 09-30-05 at 08:54 AM.
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09-30-05, 08:39 AM	#2
Incesticide Member Join Date: Sep 2005	In SI units 2 megabits = 2000 kilobits = 2,000,000 bits = 250000 bytes = 250 kilobytes = .25 Megabytes Under windows 2 megabits = 2000 kilobits = 2,000,000 bits = 250,000 bytes = 244.14 kilobytes = .2384 Megabytes
	QUOTE Thanks

09-30-05, 09:09 AM	Thread Starter #3
Jleo New Member Join Date: Sep 2005	Under Windows My Windows has both Si and Binary equivalent Attached Images
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09-30-05, 09:19 AM	#4
Captain Newbie Senior Django-loving Member Join Date: Jan 2004 Location: Right seat with a bored "don't kill me" expression	Many (or at least the one at cs.dolphin.csuci) scientific circles have taken to writing megabytes, in the sense of decimal million bytes, as MB, kilobytes in the sense of decimal thousand bytes as KB, etc., and the binary forms as MiB ("binary million bytes"), ... More information. In my opinion, it's more cricket to write the binary millions/thousands/... because that's what the computer sees. Oh, and in the past, that's what KB and MB meant. __________________ B.S. Computer Science, B.A. Political Science \| Commercial Pilot Airplane Single and Multiengine Land, Instrument Airplane "And, while with silent lifting mind I've trod The high untresspassed sanctity of space Put out my hand, and touched the face of God." Strong * Focused * Safe Apple Mac Pro 4,1, Two Nehalem Xeons 2.26GHzx4 (Hyperthreaded), 12 GB DDR3 FBDRAM \| MacBook Pro 15" (2009)
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09-30-05, 10:55 AM	#5
Incesticide Member Join Date: Sep 2005	Jleo, windows does not have both. Try looking at the properties of a file that is more than a megabyte, then more than a gigabyte.
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09-30-05, 10:58 AM	#6
Sjaak Member Join Date: Apr 2004 Location: The Netherlands	http://en.wikipedia.org/wiki/Kibibyte http://en.wikipedia.org/wiki/Orders_...ude_%28data%29 __________________ 'Apparantly reality has a strong liberal bias'
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09-30-05, 04:25 PM	#9
dittohead Member Join Date: Mar 2004 Location: London, UK	capital B for BYTE and smallcase b for bits
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10-24-05, 06:22 AM	#10
Incesticide Member Join Date: Sep 2005	I don't know why you use the term quote-on-quote for hard drives showing less than their rated capacity in windows. This is an issue with windows, not the drive. The 120GB drive does in fact have 120 billion bytes of storage available. In linux, the drive space is reported just fine, as is the case with macintosh computers. Must I mention unix as well?
	QUOTE Thanks

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