Signals and Switches Questions

• The abbreviation NO, when used with respect to electromechanical relays, stands for not operational.
• Which device(s) have almost ideal ON and OFF resistances?
• TTL logic chips must have connections to Vcc and ground, even if all inputs and outputs are properly used and tied to valid signals.
• In a graphical representation of voltage versus time, ________ is displayed on the ________ axis and ________ is displayed on the ________ axis.
• A diode placed in parallel across a relay coil serves what function?
• The period of a waveform is the percentage of time the signal is HIGH.
• What is the output voltage from the circuit in the given figure?
• Internally, a computer's binary data are almost always transmitted on parallel channels, commonly referred to as the:
• When an IC has two rows of parallel connecting pins, the device is referred to as a:
• Normal operation of an NPN bipolar transistor requires the base to be ________ with respect to the emitter, and ________ with respect to the collector.
• What is the period of a clock waveform that has a frequency of 15.4 kHz?
• Determine the voltage on the collector Vc of the given transistor circuit.
• Determine if diodes D1 and D2 in the given figure are forward or reverse biased.
• How long will it take to serially transmit the hexadecimal number C316 if the clock frequency is 1.5 MHz?
• What is the minimum voltage required before a diode will allow current to flow between the cathode and the anode?
• What is the output voltage Vout for the given circuit if the input voltage changes to 0 V?
• With surface-mount technology (SMT), the devices should:
• A TTL totem-pole circuit is designed so that the output transistors:
• Serial communication can be sped up by:
• The family of logic that is composed of bipolar junction transistors is ____.