Electronics Engineering Review Materials: Section 1 Module 20

This is the Section 1 Module 20 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 1 Module 20

This is the Section 1 Module 20 of the compiled Electronics Review Materials taken from different sources including 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 1 Module 20

1. The number of free electrons and holes in an intrinsic semiconductor increases when the temperature

Increases

2. At unity-gain frequency, the open-loop voltage gain is

1

3. In active region, base-emitter junction is ________ bias, while base-collector is __________.

Forward-reversed

4. A magnetized part represents logic…

1

5. An octave is a ratio of different frequencies with the ratio of

2

6. An decade is a ratio of different frequencies with the ratio of

10

7. What is the maximum number of electrons that you can find in the k shell of a silicon atom

2

8. Configuration used for impedance matching

VDB

9. Most commonly used transistor configuration

CE

10. If the temperature of a semiconductor increases, electrical resistance…

Decreases

11. Net charge of a germanium

14e C

12. For ideal assumption, zero current flows to what kind of semiconductor

Both SI and Ge

13. Negative feedback configuration has a phase shift of

180°

14. 1 Oersted is equal to

1 Gb/cm

15. Operating voltage range of LED

1.7 – 3.3 V

16. Operating voltage range of LED (doble talaga)

1.7 – 3.3 V

17. Power Consumption of LED

150 mW

18. Which of the following has the lowest Zin?

JFET

19. The input and output impedance of a CC circuit

High, low

20. If B equals conductance in an parallel RLC circuit, pf would be…

0.707

21. In a parallel RLC circuit, if the frequency increases above resonant frequency…

The circuit becomes capacitive

22. Another term for environment/ system…

Shell

23. Capacitor’s operation during positive half cycle

Diffusion

24. The development of a voltage between the two-edges of a current currying metal strip whose faces are perpendicular to magnetic field

Hall effect

25. Pauli Exclusion Principle

26. Which does not belong to the group…

Download

27. The time when a processor gets instruction is called

I-time

28. The time when a processor executes the instruction is called

E-time

29. CPU processes…

Binary

30. Which of the following actuators is used in industry?

AOTA. (Fluid, air, electric)

31. Advantage of electric actuators

AOTA. (velocity control, etc.)

32. Advantage of electromagnet over permanent magnet

It can be turned on and off

33. System for small business

SOHO

34. Available for purchase software

System software

35. CIS means

Computer Information System

36. First generation language

Machine language

37. Advantage of parallel connection

Appliances can be operated independently

38. Other term for pixel/resolution

Dot pitch

39. Number of electrons orbiting around the atom of Germanium

14

40. A question about AND gate

41. A question about AND gate

42. A question about NOR gate

43. Mass of proton

1836e

44. Ratio of mass of proton and electron(approximate)

1800

45. In active region, base-collector junction is ________ bias, while base-emitter is __________.

Reversed, forward

46. What does permittivity do with field intensity

It decreases field intensity

47. Reduction of magnetizing force

Coercivity

48. Connections of flip-flop

Sequential circuit

49. If power factor increases

Active power increases

50. Programming and testing are elements of

System development

51. Control element directs ALU to perform an operation on data, mechanical cycle involved is?

Third step

52. Data analysis and data gathering is done

After the system survey

53. Management of operating system

The supervisor program

54. Time sharing of resources of users

Based on time slices

55. CD ROM has the same format as

Audio compact disk

56. Static memory can saved data

Even without power

57. SPECIFYING the kind of input,process and output

Defining the problem

58. Central device which connects node of star network

Hub

59. Current gain of common base

Less than 1

60. Optical character recognition device

Wand reader

61. Byte per inches in dynamic memory

1

62. Two opposite magnetic poles is ___ to the permeability of the material

Inversely proportional

63. Diode is in non conductive region

Open

64. Preliminary of the project

Feasibility

65. Mark sensing refers to

OMR

66. DASD refers to

Disk storage

67. Electrical circuitry that execute program

CPU

68. Entire computer system is coordinated by

Control unit

69. Allocating of main memory separated to one another

Memory management

70. Robot that moves on any position in specific path

Continuous path program

71. POS terminal is the same as

Cash register

72. In multiprogramming, 2 or more program can execute

Concurrently

73. OLE refers to

Embedding

74. OCR-A is a

Standard typeface

75. Part of the program is stored in a disk and is brought to the memory to execute as needed

Virtual storage

76. Resulting output signal of differential amplifier is zero

Single ended

77. If the robot moves on several axis

Compound motion

78. Sequential data memory uses what memory circuit?

Shift register

79. Number of axis of robot

Degree of freedom

80. Program written for customer

Vertical

81. Source data automation

82. Has the highest number of free electron

Conductor

83. Output impedance of common emitter configuration

40k-50k ohms

84. What is the use of ladder network

Converts digital to analog signals

85. Rate of screen refreshment

Scan rate

86. Most use model in the analysis of diode

Simplified model

87. When VD=0, transit capacitor is equal to

3 pF

88. Faster computer because of fewer instruction

RISC

89. Bus line is consist of

Parallel wire path

90. Magnetic

Byte per inches

91. A _____ is a storage device used to accommodate a difference in rate of flow of data or time of occurrence of events when transmitting from one device to another.

Buffer

92. Nonvolatile memory

Flash memory

93. Which of the following reel can be change

Supply reel

94. Which band is the donor level nearer?

Conduction band

95. Transfer of data intended for a peripheral device (usually a printer) into temporary storage

spooling

96. A theory which states that electrons orbiting a nucleus can only be in certain stationary energy states and light is emitted when electrons jump from one energy state to another

Bohr theory

97. Data striper

98. The development of a voltage between the two edges of a current currying metal strips whose faces are perpendicular to magnetic field

Hall effect

99. A program which can be executed on several different computers to compare their speed and performance

Benchmark

100.Which of the following is not an internal digital IC fault?

Poor solder connections

Section 1 Modules: Reviewers in Electronic Engineering


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