Electronics Engineering 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.

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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