a] how many megabytes of storage would be needed to store 800 photographs each of which are 16 MB in size?
b]write your answer from part a in gigabytes
Answers
Answer:
ummmm really really sorry for not answering I dont know
Answer:
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Kilobyte or KB
Kilobyte KB - about 1 thousand bytes
As we know, 1 byte is one typed character
- see below for why the phrase "about 1 thousand" is required here
An email without images is about 2 KB
A five page paper might be 100 KB
Text is compact, requiring few bytes compared to images or sound or video
e.g. 23,000 bytes is about 23 KB
One kilobyte (KB) is a collection of about 1000 bytes. A page of ordinary Roman alphabetic text takes about 2 kilobytes to store (about one byte per letter). A typical short email would also take up just 1 or 2 kilobytes. Text is one of the most naturally compact types of data at about one byte required to store each letter. In non-roman alphabets, such as Mandarin, the storage takes up 2 or 4 bytes per "letter" which is still pretty compact compared to audio and images.
Megabyte or MB
Megabyte (MB) - about 1 million bytes
aka about 1000 KB
MP3 audio is about 1 megabyte per minute
A high quality digital picture is about 2-5 megabytes
e.g. 45,400 KB is 45.4 MB
One megabyte is about 1 million bytes (or about 1000 kilobytes). An MP3 audio file of a few minutes or a 10 million pixel image from a digital camera would typically take up few megabytes. The rule of thumb for MP3 audio is that 1 minute of audio takes up about 1 megabyte. Audio and image and video data typically stored in "compressed" form, MP3 being an example. We'll talk about how compression works later. A data CD disk stores about 700 MB. The audio on a CD is not compressed, which is why it takes so much more space than the MP3. The series of bits are represented as spiral path of tiny pits in the silver material in the disk. Imagine that each pit is interpreted as a 0, and the lack of a pit is a 1 as the spiral sequence is read. Fun fact: the whole spiral on a CD is over 5km long.
Math - You Try It
2,000,000 bytes is about how many MB?
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23,000 KB is about how many MB?
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500 KB is about how many MB?
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Gigabyte or GB
Gigabyte GB = about a billion bytes
aka about 1000 MB
GB is a common unit for modern hardware
e.g. 4000 MB = 4 GB
An ordinary computer might have:
-4 GB or RAM
-256 GB of persistent storage
A DVD disk has a capacity 4.7GB (single layer)
-Figure 2 GB per hour of video (varies greatly)
A flash drive might hold 32 GB
A hard drive might hold 750 GB