SCIENCE, 1 GB = 230 or 10243 bytes which are equal to 1,073,741,824 bytes. GB is often used for indicating a size of memory or specifying the size of a movie, computer RAM, and so on.The maximum amount of information stored in a single layer DVD is usually close to 4.8 GB, and the maximum amount of information that can be stored in a single layer Blu-ray disc is equal to 25 GB. 1 Gigabyte is equal to 1024 megabytes (binary).1 GB = 210 MB in base 2.Therefore, 4 GB = 22 . 210 MB in base 2Therefore, 4 GB = 212 MB.In a SIMILAR manner, 1 GB = 230 BytesTherefore, 4 GB = 22 . 230 BytesTherefore, 4 GB = 232 Bytes.1 TERABYTE is equal to 1024 gigabytes (binary).1 TB = 210 GB in base 2.Therefore, from the above explanation, the correct OPTION is 4 GB is equal to 232 Bytes.