Which of the four control methods is best suited for transfer of large blocks of data?
1- direct memory access
2- channel i/o
3- programmed i/o
4- interrupt-driven i/o

Discuss the ways in which electronic information associated with payments is addressed in terms of security. include encryption, secure sockets layers, and secure electronic transactions in your discussion. are there any other ways that consumers and businesses can keep their payment information secure in an electronic commerce environment? do you feel that your information is safe when conducting electronic business? why or why not?

How many nibbles can be stored in a 16-bit word?

To check whether your writing is clear , you can