Description : Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem
Last Answer : C. Transmitter, channel and receiver
Description : The three major groups of the optical system are ∙ A. the components, the data rate and the response time ∙ B. the source, the link and the receiver ∙ C. the transmitter, the cable and the receiver ∙ D. the source, the link and the detector
Last Answer : B. the source, the link and the receiver
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? A : Sensor B : Controller C : Arm D : End effector
Last Answer : B : Controller
Description : The threemajor groupsinthe opticalsystemare a. the components, the data rate and response time b. the source, the link, and the receiver c. the transmitter, the cable, and the receiver d.the source,the link,andthedetector
Last Answer : d.the source,the link,andthedetector
Description : Which of the following is an example of inertia sensor? A : Thermometer B : Accelerometer C : Touch screen D : TV Remote
Last Answer : B : Accelerometer
Description : The different angles of entry of light into an optical fiber when the diameter of the core is many times the wavelength of the light transmitter is known as ________. A. refraction B. sensor C. mode D. emitter
Last Answer : C. mode
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? a) sensor b) controller c) arm d) end effector
Last Answer : b) controller
Description : The device that is used to convert energy from one form to another is called A : Emiter B : Transducer C : Transmitter D : Receiver
Last Answer : B : Transducer
Description : Drives are also known as A : Sensor B : Controller C : Actuators D : Manipulator
Last Answer : C : Actuators
Description : My Galaxy Note 8 was thrown and the screen got cracked. The phone works but the screen doesnt react to touch but the fingerprint sensor still worked. It randomly turned off a few minutes after. Is all my data still there or did i lose it all?
Last Answer : My Galaxy Note 8 was thrown by someone and it hit a 20 pound iron weight. When i picked it up the screen was still on but had 3 shattered spots. One is top left, one is middle right, and the ... is if all my data has been erased or if it is still there because there are many important things on the
Description : ________ is an input device that accepts input when the user places a fingertip on the computer screen. A. Joy Stick B. Light Pen C. Trackball D. Touch Screen
Last Answer : D. Touch Screen
Description : These are main components of Electronic Stability control system a) Speed Sensor b) Steering angle measurement angle c) Yaw-rate sensor d) All of the above
Last Answer : d) All of the above
Description : The sensor that requires physical touch of an object is called A : Contact Sensor B : Inertial Sensors C : Infrared Sensor D : Laser Rangefinder
Last Answer : A : Contact Sensor
Description : TFT stands for ________ A. Thick Film Transistor B. Thin Film Transistor C. Thin Film Transmitter D. Thick Film Transmitter
Last Answer : B. Thin Film Transistor
Description : If coils 'R1-R2-R3' at the receiver of figure 'B' shown in the illustration turned opposite of those in the transmitter by design, what corrective action should be taken? EL-0092 A. Reverse the 60 Hz supply ... is needed. C. Interchange leads 'R1' and 'R3'. D. Interchange leads 'R2' and 'R3'.
Last Answer : Answer: B
Description : If coils 'R1-R2-R3' at the receiver of figure 'B' shown in the illustration were in 180 degree error with those of the transmitter, what corrective action should be taken? EL-0092 A. Reverse the 60 Hz ... is proper operation. C. Interchange leads 'R1' and 'R3'. D. Interchange leads 'R2' and 'R3'.
Last Answer : Answer: A
Description : If coil 'R1-R2' at the receiver of figure 'A' shown in the illustration were in 180 degree error with respect to that of the transmitter, what corrective action should be taken? EL-0092 A. No action is ... and 'R2'. C. Interchange connections 'S1' and 'S2'. D. Interchange connections 'S1' and 'S3'.
Description : If coils 'R1-R2-R3' at the receiver of figure 'B' shown in the illustration turned opposite of those in the transmitter, what corrective action should be taken to have both turn in the same direction? EL-0092 A ... is needed. C. Interchange leads 'R1' and 'R3'. D. Interchange leads 'R2' and 'R3'.
Last Answer : Answer: C
Description : If coil 'R1-R2' at the receiver of figure 'A' shown in the illustration turned opposite of that in the transmitter, what corrective action should be taken? EL-0092 A. No action is necessary as this is ... . C. Interchange connections to 'S1' and 'S2'. D. Interchange connections to 'S1' and 'S3'.
Last Answer : Answer: D
Description : If coil 'R1-R2' on the transmitter in figure 'A' shown in the illustration is turned 30 degrees clockwise, corresponding coil 'R1-R2' on the receiver should ____________. EL-0092 A. make coils 'S1 ... a higher voltage depending on the turns ratio D. align itself to the same position if free to move
Description : The total propagation delay time from transmission to reception of signals from a ground transmitter to ground receiver with angle of elevation at 10 degrees respectively is A. 273 ms B. 239 ms C. 275 ms D. 260 ms
Last Answer : A. 273 ms
Description : What is the delay time for satellite transmissions from earth transmitter to earth receiver? A. 0.5 s B. 1s C. 5 ms D. 0.25 s
Last Answer : A. 0.5 s
Description : What is the delay time for satellite transmission from earth transmitter to earth receiver? A. 0.5 s B. 1.0 s C. 5 ms D. 0.25 ms
Description : What limits the sensitivity of a receiver? A. The power supply of the receiver B. The power output of a transmitter C. The noise floor of the receiver D. The distance between the transmitter and receiver
Last Answer : C. The noise floor of the receiver
Description : Which of the following is not one of the natural ways a radio wave may travel from transmitter to receiver? A. Ground wave B. Micro wave C. Sky wave D. Space wave
Last Answer : B. Micro wave
Description : A satellite transmitter operates at 4GHz with an antenna gain of 4dBi. The receiver 40000 km away has an antenna gain of 50 dBi. If the transmitter has a power of 8 W, find (ignoring feedline losses and mismatch) the EIRP in dBW. A. 50 B. 69 C. 49 D. 30
Last Answer : C. 49
Description : What is the uplink receiver frequency if the downlink transmitter is on channel 4 (3.84 Ghz)? A. 6.065 GHz B. 6.84 GHz C. 6.65 GHz D. 6.05 GHz
Last Answer : A. 6.065 GHz
Description : What is the path attenuation between transmitter and receiver at a frequency of 1.2 Ghz and a distance of 11,000 mi? A. 119 dB B. 115dB C. 179dB D. 174dB
Last Answer : C. 179dB
Description : What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators
Last Answer : D. Optic regenerators
Description : Who is responsible in the correctness and accuracy of transmitted information content over a data communication? A. The channel B. The transmitter and receiver C. The modem D. The bridge
Last Answer : B. The transmitter and receiver
Description : How can receiver desensitizing be reduced? A. Increase the receiver bandwidth B. Ensure good RF shielding between the transmitter and receiver C. Increase the transmitter audio gain D. Decrease the receiver squelch, gain.
Last Answer : D. Decrease the receiver squelch, gain.
Description : Referred to as a ferrite device that can be used in lieu of a duplexer to isolate a microwave transmitter and receiver when both are connected to the same antenna. A. Isolator B. Circulator C. Coupler D. Diode.
Last Answer : B. Circulator
Description : ______ is the first component of any MATV system to received broadcast signals. A. Receiver B. Antenna C. Filter D. Transmitter
Last Answer : B. Antenna
Description : ECE Board Exam March 1996 The capture area of an antenna is directly proportional to the A. frequency of the received signal B. distance between transmitter and receiver C. gain of the antenna D. power density of the signal
Last Answer : C. gain of the antenna
Description : The situation when both transmitter and receiver have to work in tandem is referred to as (A) parallel (B) serial (C) synchronous (D) asynchronous
Last Answer : (C) synchronous
Description : What is the most likely problem if the transmitter shaft reads 0º when the receiver shaft indicates 180º?
Last Answer : The rotor leads on either the transmitter or the receiver are reversed.
Description : What is the relationship between the transmitter and receiver stator voltages when their rotors are in correspondence?
Last Answer : The voltages are equal and oppose each other.
Description : What is the physical difference between a synchro transmitter and a synchro receiver?
Last Answer : A synchro receiver uses some form of damping to retard excessive oscillations or spinning.
Description : Where should the transmitter spectrum be located with respect to the receiver response curve?
Last Answer : In the center.
Description : Immediately after the transmitter fires, stc reduces the receiver gain to what level?
Last Answer : Zero.
Description : What is the result of an impedance mismatch between a receiver or transmitter and its transmission line or antenna?
Last Answer : High vswr, which equates to poor reception or a loss of power output.
Description : Calculate the total rise time for a fiber-optic system if the transmitter, receiver, and cable each have a rise time of 50 nanoseconds.
Last Answer : 86.6 nanoseconds
Description : Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:
Last Answer : Digital companding