When was vacuum tube invented?Option A:1900Option B:1910Option C:1906Option D:1880

In which generation Computers vacuum tube were used?

hich invention allowed computers to become smaller in size?answerTransistorsLaptopsSiliconVacuum tubes

What technology did the ENIAC use for its operations?a. Transistorsb. Vacuum tubesc. Integrated circuitsd. Mechanical relays

Which sentence uses this meaning of vacuum?vacuum verb to clean with a device that sucks airThe chemist pumped the air out of the small glass chamber and turned it into a vacuum.Guests will be here in five minutes, so we'd better vacuum quickly!Submit

a) is a high power vacuum tube. b) multi cavity devicec) frequency range is from 0.6 GHz to 30 GHz but according to requirement the frequency is adjusted by its constructively. d) available with 8 to 10 cavity. Select one:i. only a,b,d are correct. ii. only a,c,d are correct. iii. only a,b,c are correct. iv. all options a,b,c,d are correct.