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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 3

50 questions

Question 1

Spots of ______ are produced on the screen by the transfer of the CT beam energy to the phosphor.

A.
Sound.
B.
Energy
C.
Light.
D.
Platelet

Question 2

Proper deflection amounts are attained by adjusting the ______ through the coils.

50

A.
Current.
B.
Heat
C.
Intensity
D.
Voltage

Question 3

The most common types of graphics monitor employing a CRT is the ______ scan.

A.
Raster
B.
Random
C.
CRT
D.
Electron

Question 4

The term ______ refers to the total screen area.

A.
Screen
B.
Gun
C.
Frame
D.
Pixel

Question 5

The number of bits per pixel in the frame buffer is called ______ buffer area.

A.
Width of the buffer.
B.
Height of the buffer area.
C.
Depth of the buffer area.
D.
Color of the buffer area.

Question 6

At the end of scan line, the electron beam returns to the ______ side of the screen.

A.
Up.
B.
Bottom
C.
Right
D.
Left

Question 7

Refresh rates are described in units of ______.

A.
Pixel.
B.
Meter
C.
Hertz
D.
Cubic

Question 8

After refreshing each scan line is called the ______.

A.
Vertical retrace.
B.
Interface
C.
Horizontal retrace.
D.
Buffer line.

Question 9

Example of a random-scan display is ______.

A.
Pen plotter.
B.
Mouse
C.
Keyboard
D.
Printer

Question 10

Refresh ______ depends on the number of times to be displayed.

A.
Rate.
B.
Times
C.
Pixel
D.
System

Question 11

Refresh display file is called the ______.

A.
Display unit
B.
Display processor
C.
Display list
D.
Display file

Question 12

______ ball is a two dimensional positioning device.

A.
Mouse.
B.
Track
C.
Space
D.
Thumb

Question 13

The LEDs in touch panel operate at IR frequencies, so that the light is ______ to a user

A.
Visible.
B.
Not visible
C.
Partially visible
D.
Blurred

Question 14

A light pen activated with a ______.

A.
Button.
B.
Switch
C.
Pointer
D.
Button switch.

Question 15

______ scanner with a resolution of 600 dots per inch.

A.
Desktop full-color.
B.
Rum
C.
Flatbed
D.
Color

Question 16

Input devices used in particular applications are ______.

A.
Trackball.
B.
Space ball
C.
Joystick
D.
Data gloves

Question 17

A/An ______ Device is any device that provides information, which is sent to the CPU.

A.
Input.
B.
Output
C.
CPU
D.
Memory

Question 18

______ tablets use sound waves to detect a stylus position

A.
Acoustic or Sonic.
B.
Data & Acoustic-
C.
Sonic or Data.
D.
Graphic or data

Question 19

Buttons and switches are often used to input ______.

A.
Numbers.
B.
Predefined Functions
C.
Inputs
D.
Values

Question 20

Isometric joystick have ______ stick.

A.
Movable.
B.
Non-movable.
C.
Partial movable.
D.
Static

Question 21

To be able to select positions in any screen area with a light pen, we must have some ______ intensity assigned to each screen pixel.

A.
Zero.
B.
One
C.
Non-zero
D.
None

Question 22

______ representations are useful for constructing 3D objects that possess translational, rotations or other symmetries.

A.
Buffer.
B.
Periodic
C.
Sweep
D.
Spline

Question 23

______ are common devices for entering scalar values.

A.
Dials.
B.
Keyboards
C.
Mouse
D.
Joystick

Question 24

What is the latest write-once optical storage media?

A.
Digital paper.
B.
WORM disk.
C.
Magneto-optical disk
D.
CD-ROM disk.

Question 25

______ are used to measure to dial rotations.

A.
Spectrometer.
B.
Potentiometer
C.
Voltmeter
D.
Ammeter

Question 26

Digital devices are ______.

A.
Digital clock.
B.
Clock with a dial and two hands.
C.
Automobile speed meter.
D.
All of them.

Question 27

An output device that uses words or messages recorded on a magnetic medium to produce audio response is ______.

A.
Magnetic tape.
B.
Voice recognition unit.
C.
Voice response unit.
D.
Voice band.

Question 28

______ procedure accepts the coordinates of an inter point.

A.
Scan fill.
B.
Boundary fill.
C.
Poly fill.
D.
Area fill

Question 29

______ is applied to regions by displaying sets of parallel lines.

A.
Line fill.
B.
Solid fill.
C.
Hatch fill
D.
Empty fill.

Question 30

Changes in orientation, size and shape are accomplished with ______.

A.
Geometric transformation.
B.
Antialiasing
C.
Translation
D.
Transposition

Question 31

______ is applied to an object by repositioning it along a straight line path from one coordinate location to another.

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

Question 32

The translation distance pair (tx, ty) is called ______.

A.
Sector shift.
B.
Matrix vector.
C.
Shift vector.
D.
Coordinate vector

Question 33

The applications of the ______ mouse include virtual reality, CAD, animation.

A.
X
B.
Optical
C.
Opt mechanical
D.
Z

Question 34

Space ball is used for ______ dimensional positioning.

A.
2
B.
3
C.
1
D.
1 and 2.

Question 35

Offline device is a/an ______.

A.
Device which is not connected to CPU.
B.
Device which is connected to CPU
C.
Direct access storage device
D.
I/O device.

Question 36

The Z mouse features three buttons, ______ underneath.

A.
Mouse ball.
B.
Underwheel
C.
Thumbwheel
D.
Trackball

Question 37

The Z mouse features ______ buttons.

A.
2
B.
3
C.
4
D.
5

Question 38

The Z mouse features three buttons, mouse ball underneath, ______ on the side.

A.
Thumbwheel.
B.
Trackball
C.
Mouse ball
D.
Underwheel

Question 39

Joystick consists of ______.

A.
Stick.
B.
Ball
C.
Wheel
D.
Ball

Question 40

______ transformation alters the size of an object.

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

Question 41

Uniform scaling is produced that maintains relative object ______.

A.
Shape.
B.
Vector
C.
Scalar
D.
Proportions

Question 42

The location of the scaled object can be controlled by choosing a position called ______.

A.
Vector position.
B.
Variable point.
C.
Scalar position.
D.
Fixed point

Question 43

Unequal values of ( sx ) and ( sy ) results in ______ scaling.

A.
Integral.
B.
Differential
C.
Same
D.
Different

Question 44

Uniform scaling of a circle is simply done by adjusting the ______.

A.
Side.
B.
Radius
C.
Circumference
D.
Area

Question 45

______ is obtained by calculating the matrix product of individual transformations.

A.
Matrix transformation.
B.
Composite transformation matrix.
C.
Finite transformation matrix.
D.
Infinite transformation matrix.

Question 46

The world coordinates area selected for display is called ______.

A.
Window.
B.
Glow
C.
View
D.
Scene

Question 47

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

A.
Viewport.
B.
Glow
C.
View
D.
Scene

Question 48

The mapping of a part of a world coordinate scene to a device coordinate is referred to as ______ transformation.

A.
Viewing.
B.
Finite
C.
Composite
D.
Infinite

Question 49

The area of a picture that is selected for viewing is called ______.

A.
Window.
B.
Glow
C.
View
D.
Scene

Question 50

Translation is a ______ body transformation that moves object without deformation.

A.
Rigid.
B.
Fixed
C.
Flexible
D.
Single

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