Answer:
Device management controls peripheral devices by sending them commands in their proprietary machine language. The software routine that deals with each device is called a "driver," and the OS requires drivers for each of the peripherals attached to the computer.
Explanation:
Answer:
F7
Explanation:
Mostly in MS Office products, although a lot of other products will mimic the same well known key sequences as a way of enticing you to their platform.
Answer:
51015
Explanation:
Var b is a string, and it'll treat addition like <em>string concatenation </em>(aka just adding a message.) Since it's concatenation, it'll then turn the numbers/integers into strings.
This kind of behavior might be different depending on the language, though. Some languages might not allow this. (For example, C and C++)