Multiple choice general knowledge science & technology

Using the binary system, a 1 kilobyte file contains how many bytes

  1. 256

  2. 1024

  3. 1.44

  4. 512

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the binary system used by computers, 1 kilobyte equals 2^10 bytes, which is 1024 bytes, not 1000 as in the decimal system. This is because computers work in base-2 arithmetic. 256 bytes is 1/4 KB, 512 is 1/2 KB, and 1.44 MB is a floppy disk capacity.