You need not know a majority of actual statistics for a number of appliances that vary from one appliance to the next even if they are the same model. However you can learn more about what they are measured in(Kw/h) so you could give an accurate estimate by just thinking about it.
for instance a device may fluctuate itself have a different power consumptions for different modes for instance a computer may range anywhere from 50-500watts when not in sleep mode.
personal computers were more affordable (apex)
personal computers were more affordable. -apex
Macintosh computers are a personal computer.
When personal computers began to connect to the Internet?
Yes. You can refer to a "personal computer" as just a "computer"
Most of the personal computers are usually microcomputers. They include the laptop computers, the desktop computers, the tablet computer, and the smartbooks.
Modern Apple computers are referenced to as Mac computers or Macintosh computers
Do Some personal computers have external tape units?
Wikipedia is a great website that offers a ton of information on the history of personal computers. There are many other websites that include information about personal computers also.
The invention of the microprocessor
Modern Apple computers are referenced to as Mac computers or Macintosh computers
The phrase "personal computer" can be any computer that is intended for personal use literally at least. A PC can be classified as a micro, mini, or another form of computer specification.