1 Gigabyte is equal to 1000000 kilobytes. Option C is correct. 1 Gigabyte is equal to one million kilobytes,
The gigabyte is a multiple of the unit byte for digital information. The prefix giga means 109 in the International System of Units (SI). Hence, one gigabyte is 1000000000 bytes.
The kilobyte is a multiple of the unit byte for digital information.
The International System of Units (SI) defines the prefix kilo as 1000 (103); so that, one kilobyte is 1000 bytes.