Buffering in I/O is used to :. a. All of the other answers.
b. support copy semantics for application I/O.
c. provide adaptations for devices that have different data-transfer sizes.
d. cope with a speed mismatch between the producer and consumer of a data stream.

Problem 1 - hashing we would like to use initials to locate an individual. for instance, mel should locate the person mark e. lehr. note: this is all upper case. generate a hash function for the above using the numbers on your telephone. you know, each letter has a number associated with it, so examine your telephone keypad. generate 512 random 3 letter initials and take statistics on a linked list array size 512 to hold this information report how many have no elements, 1 element, 2 elements, does this agree with the hashing statistics distribution?