Well, to buy one kilobyte nowadays is absurd and it's even impossible. This is as opposed to buying a yottabyte. That said, a kilobyte is like the far younger brother of terabytes and others. Nonetheless, we digress and we should instead go on with the quiz.
10^6
10^5
10^4
10^3
KE
KY
KT
K
1020 bits
1020 bytes
1000 bits
1000 bytes
Labels on hardisks
Speed of yottabyte
Calculating monthly internet traffic
Main memory
The International Electronics Community
The International Electronics Commission
The International Electrotechnical Community
The International Electrotechnical Commission
66K
65K
64K
63K
1024^2
1020^2
1024^3
1020^4
Kiibytes
Kibibytes
Kibytes
Kiibibytes
AT&T
Verizon
Vodafone
Orange
639K
256K
110K
128K