Digital Electronics-Signals and Switches
Digital Electronics-Signals and Switches
21. What is the advantage of using serial data transmission over parallel data transmission?
- It is slower.
- Only one pair of wires is required.
- More people use it.
- It is faster.
22. A TTL totem-pole circuit is designed so that the output transistors:
- are always on together
- provide phase splitting
- provide voltage regulation
- are never on together
23. What is the advantage of using CMOS logic over TTL?
- It switches faster.
- It uses less power.
- It is larger.
- cost
24. What is used to graphically show the time relationship between two or more digital waveforms?
- reference diagram
- timing diagram
- voltage curve
- load line
26. What is a disadvantage of CMOS in place of TTL?
- It switches slower.
- It uses less power.
- It is smaller.
- cost
27. The units for the HIGH time for a periodic wave are ________.
- seconds
- hertz
- cycles
- %