Description : The seven segment arrangement for numerical display on consoles, test meters and other applications can be either ________________. A. UJT or BJT B. BCD or OCD C. JFET or IGFET D. LED or LCD
Last Answer : Answer: D
Description : The 8279 normally provides a maximum of _____ seven segment display interface with CPU. a) 8 b) 16 c) 32 d) 18
Last Answer : a) 8
Description : A large negative voltage is applied to the plate of a diode, and a largewhat tube parameter has been exceeded?
Last Answer : Peak Inverse Voltage (PIV).
Description : Which of the following common element(s) is/are present in the anode mud in elctrolytic refining of copper ?
Last Answer : Which of the following common element(s) is/are present in the anode mud in elctrolytic refining of ... A. Selenium B. Tellurium C. Silver D. Gold
Description : Is the anode or cathode longer in LED ?
Last Answer : In LED anode terminal is longer and cathode terminal is smaller.
Description : What is the function of the second anode?
Last Answer : It accelerates the electrons emerging from the first anode
Description : Without strapping, the resonant cavities of a hole-and-slot anode are connected in what manner?
Last Answer : Series.
Description : What type of electron-resonance anode block does not require strapping?
Last Answer : Rising-sun block.
Description : (3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be ... on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.
Last Answer : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide
Description : Is an anode positive or negative?
Last Answer : The anode is positively charged electrode.
Description : In applications where electronic waveforms are displayed on a CRT screen, the input signal is normally applied to what CRT element?
Last Answer : The vertical-deflection plate.
Description : What is the relationship between the polarity of the voltage applied to the PNP transistor and that applied to the NPN transistor?
Last Answer : The polarity of voltage applied to the PNP transistor is opposite of that applied to the NPN
Description : To properly bias an NPN transistor, what polarity voltage is applied to the collector, and what is its relationship to the base voltage?
Last Answer : Positive, more positive.
Description : The plate voltage of a tube will vary 126 volts when a 3-volt ac signal is applied to the control grid. What is the gain of this tube?
Last Answer : 42.
Description : An ac voltage is applied across a diode. The tube will conduct when
Last Answer : Positive.
Description : According to Ohm’s law, what happens to circuit current if the applied voltage (a) increases, (b) decreases?
Last Answer : (a) Current increases (b) Current decreases
Description : LED stands for _________ A. Low Emission Display B. Liquid Emitting Display C. Less Emitting Diode D. Light Emitting Diode
Last Answer : D. Light Emitting Diode
Description : Zinc is not used (A) For producing zinc base die casting alloys (B) In its oxide form as pigments (C) As anode for corrosion prevention in boiler (D) As an alloying element in various bronzes
Last Answer : (D) As an alloying element in various bronzes
Description : The component labeled 'CR1' in the circuit shown in the illustration __________________. EL-0085 A. varies its anode/cathode polarity depending on 'RL' current B. rectifies the varying voltage from the ... reactance to smooth ripple D. establishes a constant reference voltage for the base of 'Q1'
Description : Pick out the wrong statement. (A) The X-rays cannot be deflected by electric field unlike cathode rays (B) The intensity of X-rays can be measured by ionisation current produced due to the ... the anode-cathode voltage (D) Crystal structure of a material can be studied by an electron microscope
Last Answer : (C) The quality of X-rays can be controlled by varying the anode-cathode voltage
Description : The preferred product perceived age for each sector peaks at: a. one year for high end and five years for low end. b. one year for high end and three years for low end. c. zero years for high ... zero years for high end and three years for low end. e. each segment wants a perceived age of zero.
Last Answer : c. zero years for high end and seven years for low end.
Description : A device which converts BCD to Seven Segment is called (A) Encoder (B) Decoder (C) Multiplexer (D) Demultiplexer
Last Answer : Ans: B A device which converts BCD to Seven Segment is called DECODER. (A decoder coverts binary words into alphanumeric characters.)
Description : If a voltage (positive or negative) is measured on the "1" output of a flip-flop, what state is it in?
Last Answer : SET state.
Description : What would be the output of a negative clamper with a bias potential of −5 volts and an input voltage swing from +50 to −50 volts?
Last Answer : -5 volts.
Description : Why is the negative-resistance magnetron often operated with reduced filament voltage?
Last Answer : To reduce the effects of filament bombardment.
Description : If the load requirement consists of both positive and negative voltages, what technique is used in the voltage divider to supply the loads from a single voltage source?
Last Answer : The ground (reference point) is placed in the proper point in the voltage divider so that positive and negative voltages are supplied
Description : What type of bias is required to cause an LED to produce light?
Last Answer : Forward bias.
Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?
Last Answer : LDs.
Description : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value
Last Answer : Answer: C
Description : Figure 'D' shown in the illustration represents a/an ____________. EL-0078 A. DIP IC chip B. integrated diac/triac envelope C. TO-5 flat pack D. 7-segment BCD display
Last Answer : Answer: A
Description : Debugger is a program that (A) allows to examine and modify the contents of registers (B) does not allow execution of a segment of program (C) allows to set breakpoints, execute a segment of program and display contents of register (D) All of the above
Last Answer : (C) allows to set breakpoints, execute a segment of program and display contents of register
Description : State applications each of photo-diode and 7-segment display.
Last Answer : Applications of photo-diode:- 1) In cameras 2) In fiber optic receiver 3) in object counting system Applications of 7-segmet display 1) In calculators 2) In Wrist watches
Description : In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode
Last Answer : ANSWER: Y -- OXIDIZED AT THE ANODE
Description : What Seven of the following events led to great depression?
Last Answer : Need answer
Description : The following are modifications made to the IFAC Code to consider Philippine regulatory requirements and circumstances, except a. The period for rotation of the lead engagement partner was changed from ... , were included. d. Payment and receipt of commissions were not permitted in the Philippines
Last Answer : The period for rotation of the lead engagement partner was changed from five to seven years.
Description : List seven properties cable jackets should have.
Last Answer : Low smoke generation, low toxicity, low halogen content, flame retardance, fluid resistance, high abrasion resistance, and stable performance over temperature.
Description : List seven advantages of fiber optics over electrical systems.
Last Answer : Advantages of fiber optics are improved system performance, immunity to electrical noise, signal security, electrical isolation, reduced size and w
Description : Is it possible to connect the new Apple LED Cinema Display to a PC?
Last Answer : I would assume so, but i wouldn’t want to. Being made especially for an apple computer it come with an iSight and mic plus 3 USB ports. The likelihood of these working on a PC is slim to none unfortunately. Just get a nice looking screen for much cheaper and use that.
Description : I have an LED Lighting Supplier who is putting their cutting edge LED Lighting in Aramark,Amtekco and Gamon for the Food service and Display caseing and salad bar display ,we would like access to the top Display case Manufactuers or vendors so that I may ?
Last Answer : Try www.displaycasedepot.com/ to get started
Description : Which of the following is non-emissive display? A. LED B. LCD C. Both (A) and (B) D. None of the Above
Last Answer : B. LCD
Description : The front panel display provides lights as green LED represent sand red LED represent _ for device programmer who writes input/output basic: a. Busy and Error b. Error and Busy c. Busy and Busy d. Error and Error
Last Answer : a. Busy and Error
Description : Learners display individual differences. So a teacher should Options: A) provide a variety of learning experiences B) enforce strict discipline C) increase number of tests D) insist on uniform pace of learning
Last Answer : A) provide a variety of learning experiences
Description : . When you select the time base to display a signal, should the time base be the same, higher, or lower than the input signal?
Last Answer : Lower.
Description : The display screen of a spectrum analyzer presents a graphic plot of what two signal characteristics?
Last Answer : Power and frequency.
Description : A spectrum analyzer is designed to display what signal characteristic?
Last Answer : Amplitude versus frequency (the frequency domain of the signals).
Description : What does the liquid crystal display require for computer applications?
Last Answer : An external light source, called a backlight.
Description : Flat panel displays are designed to reduce what problem of a crt display?
Last Answer : Reduce the depth of the crt display caused by the length of the tube.
Description : On the CRT display, what information is displayed in Quadrant 4?
Last Answer : Positive voltage (+V) and negative current ( −I).
Description : The ___ provides the visual display showing the form of the signal applied as a waveform on the front screen of a cathode ray oscilloscope
Last Answer : CRT
Description : A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much voltage can be applied before the bulb will break?
Last Answer : 50-Voltage