is globally accessible by all functions

has a declaration

will be initialized to 0 if not initialized

all of these

unsigned character

unsigned integer

character

none of ′ these

which have a short duration in a program

which have short names

which may require less storage than normal integers

all of these

int

float

char

none of these

results in the printing of a negative integer

always prints a positive integer

prints a value that is implementation dependent

none of these