Data Storage Measurements

Question 1

What are the common terms used to describe file sizes and hard drive storage capacity?

Answer 1

Bytes, kilobytes, megabytes, gigabytes, terabytes

These terms represent increasing orders of magnitude in data storage.

Question 2

What is the decimal nomenclature for data storage measurements?

Answer 2

Kilobyte, megabyte, gigabyte, terabyte, petabyte, exabyte, zettabyte, yottabyte

These terms use metric prefixes to indicate increasing sizes of data.

Question 3

What is the binary nomenclature for data storage measurements?

Answer 3

Kibibyte, mebibyte, gibibyte, tebibyte, pebibyte, exbibyte, zebibyte, yobibyte

These terms are used for more precise measurement in computing.

Question 4

What is the difference between decimal and binary nomenclature?

Answer 4

Decimal nomenclature is for marketing and is less accurate; binary nomenclature is used in engineering for numerical accuracy.

Question 5

What is a bit?

Answer 5

A binary digit that stores an electric signal as 1 or 0

Bits are the fundamental building blocks of binary data.

Question 6

How many bits are in one byte?

Answer 6

Eight bits

Question 7

What is the decimal format for one kilobyte (1 KB)?

Answer 7

1,000 bytes

Question 8

What is the binary format for one kibibyte (1 KiB)?

Answer 8

1,024 bytes

Question 9

What can one kilobyte (1 KB) hold?

Answer 9

A short text file or a small icon as a 16x16 pixel .gif file

Question 10

What is the decimal format for one megabyte (1 MB)?

Answer 10

1,000,000 bytes

Question 11

What is the binary format for one mebibyte (1 MiB)?

Answer 11

1,048,576 bytes

Question 12

What can one megabyte (1 MB) hold?

Answer 12

Approximately one minute of music in a lossless .mp3 format or a short novel

Question 13

What is the decimal format for one gigabyte (1 GB)?

Answer 13

1,000,000,000 bytes

Question 14

What is the binary format for one gibibyte (1 GiB)?

Answer 14

1,073,741,824 bytes

Question 15

What can one gigabyte (1 GB) hold?

Answer 15

Between 2.5-3 hours of music in .mp3 format or 300 high-resolution images

Question 16

What is the decimal format for one terabyte (1 TB)?

Answer 16

1,000,000,000,000 bytes

Question 17

What is the binary format for one tebibyte (1 TiB)?

Answer 17

1,099,511,627,776 bytes

Question 18

What can one terabyte (1 TB) hold?

Answer 18

Approximately 200,000 songs in .mp3 format or 300 hours of video

Question 19

What is the decimal format for one petabyte (1 PB)?

Answer 19

1,000,000,000,000,000 bytes

Question 20

What is the binary format for one pebibyte (1 PiB)?

Answer 20

1,125,899,906,842,624 bytes

Question 21

What can one petabyte (1 PB) hold?

Answer 21

The content from 1.5 million CD-ROM discs or 500 billion pages of text

Question 22

What is the decimal format for one exabyte (1 EB)?

Answer 22

1,000,000,000,000,000,000 bytes

Question 23

What is the binary format for one exbibyte (1 EiB)?

Answer 23

1,152,921,504,606,846,976 bytes

Question 24

What can one exabyte (1 EB) hold?

Answer 24

Approximately 11 million movies in 4k video resolution or 3,000 copies of the entire United States Library of Congress

Question 25

What is the decimal format for one zettabyte (1 ZB)?

Answer 25

1,000,000,000,000,000,000,000 bytes

Question 26

What is the binary format for one zebibyte (1 ZiB)?

Answer 26

1,180,591,620,717,411,303,424 bytes

Question 27

What can one zettabyte (1 ZB) hold?

Answer 27

30 billion movies in 4k video resolution

Question 28

What is the decimal format for one yottabyte (1 YB)?

Answer 28

1,000,000,000,000,000,000,000,000 bytes

Question 29

What is the binary format for one yobibyte (1 YiB)?

Answer 29

1,208,925,819,614,629,174,706,176 bytes

Question 30

What can one yottabyte (1 YB) hold?

Answer 30

The data of one million data centers