printer is an output device because,
A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard size sheets of paper.
So, a printer is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy of it.
therefore, it can be said that a printer is an output device
Answer:
The transistor density of the hardware which will exist in 2 years time will likely be double the current processing speeds.
Explanation:
The other 3 options are incorrect
Unicode is a universal computing standard to represent texts in most writing systems. It was invented to store most of the world's characters. It started during 1987. Joe Becker from Xerox was the one who made a proposal for Unicode.