Ranjan has received an email saying that he won a free gift voucher. to claim the gift voucher Ranjan has to give some personal details such as Bank account number, Bank name exactly which type of security threat is indicated in the mail? should he answer it?

answer: internal fragmentation is the difference between the (fixed) size of a memory hole and the data within in that memory. for example, if a 1,024 byte block of memory holds 800 bytes of data, then the 224 bytes difference is considered lost to internal fragmentation.

external fragmentation occurs when the sum of memory fragments is large enough to satisfy a request, but the holes are non-contiguous and the request cannot be satisfied. this can occur when memory is dynamically allocated and freed.

explanation:

answer; i believe the correct answer is (quick access toolbar);