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Syllabus

NEC Computer · Practice

Chapters & sets

1. Basic Electrical and Electronics

Basic Electrical

Set 1106

Basic Electronics

Set 171 Set 233

2. Digital Logic and Microprocessor

Digital Logic

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 749 Set 851 Set 950 Set 1050 Set 1150 Set 1232

Microprocessor

Set 150 Set 250 Set 350 Set 445 Set 550 Set 650 Set 720 Set 850 Set 969

3. Programming Language and Its Applications

Mixed chapter MCQs

Set 150 Set 249 Set 349 Set 451 Set 540

4. Computer Organization and Embedded System

Mixed chapter MCQs

Set 150 Set 249 Set 350 Set 450 Set 550 Set 650 Set 750 Set 849 Set 950 Set 1050 Set 1150

5. Concept of Computer Network and Network Security System

Basic Networking

Set 150 Set 253

Advanced Networking

Set 150 Set 250 Set 350 Set 450 Set 550 Set 655

6. Theory of Computation and Computer Graphics

Theory of Computation

Set 150 Set 250 Set 360

Computer Graphics

Set 150 Set 251 Set 350 Set 450 Set 550

7. Data Structures and Algorithm, Database System and Operating System

8. Software Engineering and Object-Oriented Analysis & Design

Mixed chapter MCQs

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 750 Set 926

9. Artificial Intelligence and Neural Networks

Mixed chapter MCQs

Set 150 Set 317 Set 450 Set 550 Set 650 Set 750 Set 850 Set 932

10. Project Planning, Design and Implementation

Engineering Drawing

Set 150 Set 267

Engineering Economics

Set 168

Project Planning & Scheduling

Set 188

Project Mangement

Set 150

Engineering Professional Practice

Set 120

Engineering Regulatory Body

Set 130

Computer Graphics Set 5

50 questions

Question 1

Sound pressure levels are measured in ______.

A.
Decibels.
B.
Ounce
C.
Pound
D.
Fathom

Question 2

MIDI stands for ______.

50

A.

Music instruction digital interface.

B.

Musical instrument digital interface.

C.

Musical instrumental digital interface

D.

Music instrument digit interface

Question 3

Digital audio data is the actual representation of a ______.

A.
Light.
B.
Music
C.
Sound
D.
Noise

Question 4

Digital audio data is also called as ______.

A.
Tracks.
B.
Probable
C.
Examples
D.
Samples

Question 5

In Windows, system sounds are ______ files.

A.
.Rar.
B.
.Wav.
C.
.3gp.
D.
.Wmv.

Question 6

MIDI files are ______ than CD quality digital audio files.

A.
Larger.
B.
Too large
C.
Smaller
D.
Equal

Question 7

The sampling frequencies often used in multimedia are ______.

A.
KHz.
B.
MHz
C.
GHz
D.
DHz

Question 8

The value of each sample is rounded off to the nearest integer known as ______.

A.
Samplization.
B.
Quantification
C.
Quantization
D.
Digitations

Question 9

The amount of information stored about each sample is the ______.

A.
Sample no.
B.
Sample size.
C.
Sample volume.
D.
Sample unit

Question 10

LEDs operate on ______ frequencies.

A.
Optical.
B.
Infra
C.
Infrared
D.
Electro

Question 11

Digitized sound is the ______ sound.

A.
Sampled.
B.
Covered
C.
Diluted
D.
Modified

Question 12

Sample size are ______ bits.

A.
2
B.
4
C.
6
D.
8

Question 13

A 16-bit sample provides a staggering ______ units.

A.
16,384.
B.
32,786.
C.
65,536.
D.
84,658.

Question 14

Removing of dead air or blank space from a front of the recording is known as ______.

A.
Trimming.
B.
Cutting
C.
Editing
D.
Erasing

Question 15

MIDI sounds are typically stored in files with the ______ extensions.

A.
.MDI.
B.
.MID.
C.
.MIDI.
D.
.MDII.

Question 16

A popular effect in which one image transforms into another is known as ______.

A.
Animation.
B.
Encrypting
C.
Modifying
D.
Morphing

Question 17

PAL stands for ______.

A.
Pass alternative line.
B.
Pass alternate line.
C.
Phase alternative line.
D.
Phase alternate line

Question 18

HDTV stands for ______.

A.
High defined television.
B.
Higher definition television.
C.
High definition television
D.
Higher defined television.

Question 19

Light comes from an ______.

A.
Electron.
B.
Cathode
C.
Atom
D.
Radium

Question 20

VGA stands for ______.

A.
Video graphics array.
B.
Video graph array.
C.
Visual graphics array.
D.
Visual graph array.

Question 21

The area on a display device to which a window is mapped is called a ______.

A.
Window.
B.
View port
C.
Coordinate
D.
Section

Question 22

A world coordinate area selected for display is called ______.

A.
Window.
B.
View port
C.
View point
D.
Section

Question 23

The region against which an object is to clipped is called a ______.

A.
Clipping.
B.
View port
C.
Window
D.
Clip window

Question 24

The location of the point relative to the boundaries of the clipping rectangle is called ______code.

A.
Location.
B.
Binary
C.
Region
D.
Area

Question 25

The region code of the clipping rectangle is ______.

A.
1.
B.
0001
C.
1000
D.
1111

Question 26

A region code is a ______ digit binary code.

A.
16
B.
8
C.
4
D.
2

Question 27

All-or none ______ strategy is used to keep all of the string inside a clip window.

A.
Word clipping.
B.
Character clipping
C.
Object clipping
D.
String clipping

Question 28

The picture parts to be saved are those that are outside the region is referred as ______clipping.

A.
Outside.
B.
Exterior
C.
External
D.
Extreme

Question 29

______ are used to describe interior properties by partitioning the spatial region containing an object into a set of small, non-overlapping contiguous solids.

A.
Surface rendering.
B.
Surface identifications.
C.
Space partitioning representation
D.
Boundary representations.

Question 30

______ generally refers to any time sequence of visual changes in a scene.

A.
Computer animation.
B.
Visualization
C.
Graphics
D.
Frame work

Question 31

Analogy with two-dimensional polar co-ordinates the dimensions unit for solid angles is called the ______.

A.
Steradian.
B.
Angle
C.
Solid angle.
D.
Co-ordinates.

Question 32

A ______ model is a method for explaining the properties or behavior of color within some particular control.

A.
Single color model
B.
Color
C.
Light color
D.
Spectral color

Question 33

The dominant frequency is also called as the ______.

A.
Hue.
B.
Color
C.
Frequency
D.
Wavelength

Question 34

The term ______ is used to refer collectively to two properties describing color characteristics: purity and dominant frequency.

A.
White light source.
B.
Purity
C.
Chromaticity
D.
Saturation

Question 35

______ are the most commonly used boundary representation for a 3D graphics object.

A.
Data polygon
B.
System polygon
C.
Surface polygon
D.
Area polygon

Question 36

A three-dimensional object can also be represented using ______.

A.
Method
B.
Equation
C.
Point
D.
Line

Question 37

______ is a simple object space algorithm that removes about half of the total polygons in an image as about half of the faces of objects are back faces.

A.
Wire frame model
B.
Constructive solid geometry methods
C.
Isometric projection
D.
Back face removal

Question 38

By which, we can take a view of an object from different directions and different distances.

A.
Projection
B.
Translation
C.
Rotation
D.
Scaling

Question 39

The projection that can be viewed as the projection that has a center of projection at a finite distance from the plane of projection is called ______.

A.
Parallel projection
B.
Isometric projection
C.
Perspective projection
D.
Geometric projection

Question 40

The surfaces that are blocked or hidden from view in a 3D scene are known as ______.

A.
Hidden surface
B.
Quad tree
C.
Frame buffer
D.
Area buffer

Question 41

______ surface algorithm is based on perspective depth.

A.
Depth comparison
B.
Z-buffer or depth-buffer algorithm
C.
Subdivision method
D.
Back-face removal

Question 42

In ______ year, the Z-buffer algorithm was described.

A.
1995
B.
1974
C.
1945
D.
1981

Question 43

Z-buffer algorithm is ______.

A.
Simplest algorithm
B.
Largest algorithm
C.
Complex algorithm
D.
Poor algorithm

Question 44

The painter algorithm is based on the property of ______.

A.
Polygon buffer
B.
Depth buffer
C.
Frame buffer
D.
Area buffer

Question 45

______ type of projection does not have the projection rays parallel to each other.

A.
Axonometric projection
B.
Orthographic projection
C.
Oblique projection
D.
Perspective projection

Question 46

______ are the three principal planes in orthographic projection.

A.
Front, top, profile
B.
Top, front, right side
C.
Back, top, profile
D.
Frontal, horizontal, profile

Question 47

The painter algorithm was developed in ______.

A.
1972 by Newell
B.
1974 by Catmull
C.
1972 by Evans
D.
1976 by Evans

Question 48

All the hidden surface algorithms employ image space approach except ______.

A.
Back face removal
B.
Scan line method
C.
Depth buffer method
D.
Depth sort method

Question 49

______ are the two types of projections that give a pictorial view of the object without convergence.

A.
Orthographic and perspective
B.
Perspective and oblique
C.
Oblique and axonometric
D.
Isometric and orthographic

Question 50

The name of a visible surface detection algorithm is ______.

A.
Back face detection
B.
Ray tracing
C.
Back face removal
D.
Area tracing

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