True or False: Software is any set of instructions that tells the hardware what to do and how to do it.

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.