Question 31 :
In which decade were the first successful diode and triode vacuum tubes invented?
In 1904, John Ambrose Fleming invented the first practical electron tube called the 'Fleming Valve', which is a diode rectifier. In 1906, Lee de Forest invented the audion later called the triode, which provided signal amplification.
Question 32 :
RAM stands for...
Question 33 :
Hardware devices that are not part of the main computer system and are often added later to the system.
Question 34 :
On which of the following sites can you set up your email account:
Question 35 :
The main computer that stores the files that can be sent to computers that are networked together is...