Here’s how you would choose between saber and conocer for each of the items listed:
-
mi número de teléfono *
saber
(because it refers to knowing a specific piece of information) -
la madre de Carlos *
conocer
(because it refers to being familiar with a person) -
usar la computadora *
saber
(because it refers to knowing how to do something) -
hablar francés *
saber
(because it refers to knowing how to speak a language) -
la ciudad de Atlanta *
conocer
(because it refers to being familiar with a place)