A - they all use microprocessors to compute and store data.
Indeed, this is to be true as software is to programs and applications(apps) hardware is to physical computers such as hard drive, SSD, motherboard, ram, graphics card, ect...
A hypothesis or educated guess
A combination circuit would be needed for security because if you had a strait circuit if any one of those sensors or the keypad was ripped off the circuit will now let the flow of electricity be possible but with a combination circuit it helps eliminate that problem because even if on flow path is cut off, other paths are still available <span />
Answer:
I think B
Explanation:
Secondary storage is needed to keep programs and data long term. Secondary storage is non-volatile , long-term storage. Without secondary storage all programs and data would be lost the moment the computer is switched off.
