History of Digital Electronics Quiz PDF: Questions and Answers - 167

MCQ 831: First production hard disk created by IBM is

1. IBM305
2. IBM307
3. IBM306
4. IBM304

MCQ 832: A variation of ECL in which all signal paths and gate inputs are differential is known as

1. differential current switch
2. integral current switch
3. difference current switch
4. digital current switch

MCQ 833: NMOS conducts at input voltage equals to

1. output voltage
2. dynamic voltage
3. ground
4. threshold voltage

MCQ 834: β_DC of a specific transistor can vary by varying

1. supply voltage
2. input signal
3. collector current
4. room temperature

MCQ 835: Random Access Storage Devices were first invented by team of

1. Gottfried Wilhelm Leibniz
2. Freddie William
3. Rosalind Franklin
4. Francis Crick