DIGITAL ELECTRONICS - Quiz

1) What is the power supply required to operate the most standard TTL ICs properly?

+1.5V to +2.5V -1.5V to -2.5V +4.75V to +5.25V +7.5v to +12V

2) What is the power dissipation of the standard TTL chip?

5 mW/gate 10 mW/gate 15 mW/gate 20 mW/gate

3) What is the purpose of using binary coded decimal (BCD) system in digital circuits?

Storing the data inputs Control the binary system Interface to binary system Segregating the input parameters

4) Which gate is called universal gate?

AND NOT NOR OR

5) How many inputs are available in the 7447 BCDto- seven segment decoder used to drive the LED display?

One Four Seven Eight