Question

1. what is a peripheral device?

hardware inside the system unit
hardware attached to the outside of the system unit

1. what is the speed of the cpu measured in?

hertz
terabytes
wpm
ram

Explanation:

1. A peripheral device is hardware attached to the outside of the system unit. For example, a mouse or a printer is connected externally to the main computer system unit.
2. The speed of the CPU (Central Processing Unit) is measured in hertz. Hertz measures the number of cycles per second. Terabytes measure storage, WPM (words per minute) measures typing speed, and RAM (Random - Access Memory) is a type of computer memory.

Answer:

1. hardware attached to the outside of the system unit
2. hertz