Electronics Engineering Review Materials: Section 2 Module 6

(Last Updated On: December 8, 2017)

Electronics Review Materials: Section 2 Module 6

This is the Section 2 Module 6 of the compiled Electronics Review Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and the Internet. This particular reviewer in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.

Electronics Engineering Reviewers: Section 2 Module 6

Question Answer
1. Which is generally not possible in a geomagnetic field storm? Disruption in microwave radio links
2. In which of the following places would you most likely choose a Lithium Battery Microcomputer memory backup
3. An application in which an analog meter would almost always be preferred over a digital meter is: Signal strength indicator in radio receiver
4. Microwave transmission, coaxial cables, fiber communication are Communication links
5. Identification card with an embedded chip worn by a person Active badge
6. Device that inputs data by scanning letters and numbers Wand reader
7. The power of a solar panel does not depend on: Operating frequency
8. Bubble memory is used in Large computers
9. Logic Chip is known as Microprocessor
10. Multiple programs can be executed Concurrently
11. Known as a magnetized spot 1 bit
12. Which does not result in adding acceptor impurities Substance has electron surplus
13. Device that reverses magnetic field polarity to keep the dc motor rotating Commutator
14. Department in an organization that helps users with the software Information center
15. Energy in IRED is caused by Electron energy change
16. The PN junction of a reversed biased capacitor is dependent on the following except Frequency
17. Hard disk can be back-up using Tape back-up system
18. Device used between connection of LAN over the internet protocol IP switch
19. Persuading a person to tell his password Social engineering
20. Hardware/Software combination that comprises a computer’s functionality FORTRAN
21. The insulation layer of____ in the MOSFET construction that accounts for the desirable high input impedance of the device SiO2
22. Range of varying CT varactor pf to 100 uf
23. Underlying software in a computer Operating System
24. Amplifier that provides the least distortion Class A
25. Bleeder resistor is connected Across the capacitor in the power supply
26. An advantage of a magnetic disk over a magnetic tape in data retrieval and storage Data can be stored and retrieved easily with disks
27. Another name for memory Primary storage
28. Gunnplexer is used as a Communications device
29. In a spectrum analyzer, an AC signal having only one frequency looks like a Single pip
30. A hot-wire ammeter Can measure ac as well as dc
31. _____ amplifier can drive an output signal from 1 W to 10 W Power
32. Response time of an LCD is 100 ms to 300 ms
33. Turn-on time of High power SCR 10 to 25 us
34. Computer signals that are sent through telephone lines is in the form of Microwaves
35. Actions that separate word processing from typing Edit,format,store
36. If 2 waves have the same frequency and amplitude but opposite in phase, the composite wave is Zero
37. Highest resolution CRT SVGA
38. Person of role of change System Analyst
39. Error messages that are produced by a compiler Diagnostics
40. The raid method of duplicating data is made with Data mirroring
41. A program that is made by a programmer who is employed by an organization is owned by The organization
42. Built-in protection for a computer User profile
43. The purpose of a bleeder resistor is to Prevent people from shock
44. To measure power supply voltage being used by a circuit, the voltmeter Is placed in parallel with the circuit that works from the power supply
45. Advantage of alkaline over zinc carbon Alkaline works at lower temperature
46. What happens when the voltage exceeds the avalanche voltage of the scr? The junction will conduct
47. When the scr fires, the transistor junction that will conduct is Both NPN and PNP
48. You have an unlimited supply of 1W 1000 ohm resistors and you need 500 ohm resistance rated at 7W or more. This can be done by assembling 4 sets of – Two 1000ohm resistors in series and then connecting these 4 sets in parallel
49. A primitive device used to measure current Galvanometer
50. A software which is in the public domain Freeware
51. Which of the following uses graphical icons GUI
52. The reverse resistance of SCR is 100 Kohms and up
53. Lists the deadlines and schedules of a project Gantt Chart
54. Language small talk is Object Oriented
55. If wing verification with a find and replace feature is called Conditional Replace
56. What does a reading of a large or small resistance in a reverse/forward bias condition indicate when checking a transistor using an ohmmeter? Faulty device
57. The current through the channel of a JFET is affected by the following except Transconductance
58. Why is mercury cell seldom used? It will pollute the environment when discarded
59. Energy is usually measured in terms of Kilowatt-Hour
60. Most common roll-offs of op amps -20dB/decade or -6dB/octave
61. Interactive solar power system Allows a homeowner to sell power to the utility
62. The reel that is changed in the magnetic tape unit Supply reel
63. Connects ip networks over a wide geographical area Backbone
64. An empty shell in which an organization can install a computer is called Cold Site
65. A computer that interacts with a television set Net Computer
66. For which of the following frequency ranges can coupling of bypass capacitors can no longer be replaced by the short-circuit approximation Low Frequency
67. When all access and processing occurs only in one location, the computer system is said to be Centralized
68. How can class C amplifiers be linearized? Class C amplifiers can never be linearized
69. The following are the functions of a fuse except To make sure that there is enough current for the appliances to work
70. Records the history of the user from site to site Click Stream
71. Weston Cell is used as Voltage Reference
72. Refers to a group of like customers is called Vertical
73. A system of computers and data storage are placed in dispersed locations is called Distributed data processing
74. One advantage of an electromagnet meter over a permanent magnet meter is that The electromagnet meter is more rugged
75. Power surge in a power supply is caused by Capacitor has initial charge
76. What is the characteristic of the positive electron pole It has fewer electrons than the negative pole
77. Alkaline cells are: Generally better in radios than zinc carbon cells
78. Wiring diagrams can be seen in Repair/Service manual
79. A diode detector Is employed in some radio receivers
80. The op-amp gain feedback Oscillation
81. The inductance of a coil can be varied by Varying the net core permeability
82. In an oscillator circuit, feedback should be Just enough to maintain oscillation
83. Editing of each individual module or program is called Unit testing
84. NICAD batteries are most extensively used in Handheld radio transceivers
85. In multiprogramming, two or more programs can be executed Concurrently
86. Different sounds of a musical instrument are primarily the result of Difference in waveshape
87. Monitoring data as a by-product of activity that generates data is Source data automation
88. Movement of holes in a semiconductor results in A certain amount of electric current.
89. Inductive susceptance is Negative imaginary
90. A limitation of magnetic tape as a method of storing data Organized sequentially
91. Arrangement which most of the processing is done by the server Client/server
92. Good engineering practice usually requires… be made From resistors that are all the same
93. Computer professionals who writes and tests software is called The programmer
94. When a p-n junction is reverse biased, all of the following is affected except Frequency
95. A direct short circuit the terminals of a battery Can cause an explosion
96. When is the counters return to zero at the dual-slope method of conversion At the end of the charging of the capacitor
97. Chemical energy in a battery or cell Changes to kinetic energy when the cell is used
98. The input impedance of a MOSFET is Extremely high
99. An advantage of ac over dc in utility application Ac is easier to transform from one voltage to another
100. Ferromagnetic material Concentrates is flux within its core

Complete List of Section 2 Modules in Electronics (Q&A)

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