MCQ’s:
1) _______ is negative if a signal is attenuated and positive if signal is amplified.
decibel (dB)
2)______ is the number of bits sent in 1s, expressed in bits per second (bps).
bit rate
3)According to the architecture of raster graphics system, display processor
memory will act as _____________.
4)The line passing through the vertex and parabola is called ------------.
axis of symmetry
5)Boundary Filling Algorithm can work for complex polygons.
True
6)These are computer graphics packages for art and design except ------------.
7)______ is the flurry of bright dots that can appear anywhere on the screen.
8)An improvement in the speed of line-drawing will result in an overall
improvement of most graphical applications.
9)An alternative name of ‘Plasma Panel displays’ is ________.
Gas-plasma display or Gas discharge display.
10)In Raster-Scan System, electron beam draws a line from left to right and then
back to left end to draw next line, this effect is known as_________.
horizontal retrace
11)There are ________________ basic types of polygon.
Two (regular and irregular)
12)Identify Algorithm that checks and sets pixel for fill color and runs process for
neighbors? cs602
13)Which one of the following is not a bipolar encoding level?
Unipolar encoding
14)Bandwidth can be measured in _______________.
bits per second (bps)
15)In an analogue hierarchy to carry voice channels, a supergroup has ______
bandwidth.
60 kHz
16)Manchester encoding scheme achieves the same level of synchronization as
__________.
Return-to-Zero (RZ)
17)The domain of expression ABCD + AB + CD + B is—
B only
18)________ is the set of techniques that allows the simultaneous transmission of
multiple signals across a single data link.
Multiplexing
19)In ASK correct formula for calculating the bandwidth is as ___________.
20)In an analogue hierarchy to carry voice channels, a group can carry _______
voice channels.
21)Block coding scheme contains______________ number of steps.
three main steps: division, substitution, and combination.
22)DC component issue is solved in ___________ coding scheme. Cs601
bipolar coding schemes
23)______________ cable is used in Wavelength division multiplexing.
Fiber optic cable
24)We can have __________ different groups with a 4 bit block.
25)Demultiplexer is a ____________ device.
combinational logic circuit
26)_______________category of coaxial cable is used for Cable TV.
RG-6
27)____________ is the subtype of Time Division Multiplexing Technique.
Synchronous TDM and Asynchronous TDM
28)Electromagnetic waves ranging in frequencies between 1 and 300 GHz are
called_____________.
Electromagnetic waves ranging in frequencies between 1 and 300 GHz are called microwaves
29)A local telephone network use __________ network.
circuit-switched
30)Bandwidth in hertz is the range of ___________contained in a composite signal.
Frequencies
31)If a digital transmission system is sending five bits in every half a second, the
bitrate of the system will be ___________________. cs601
32)In _________ systems, resources are allocated on demand.
packet switching systems
33)In __________ scheme the voltages are on both sides of the time axis and
voltage level for 0 can be positive and the voltage level for 1 can be negative.
polar schemes
34)In TCP / IP model, the Physical Layer exchanges data in the form of __________.
bits
35)_____________ mode of serial transmission guarantees fixed rate data.
36)Television broadcast where user can only view the information sent in the form
of video is an example of____________ communication.
visual communication
37)__________ signal completes a certain pattern in a specific amount of time.
A periodic signal
38)In Bus topology, the cable used to connect a node with the backbone cable is
called ____.
drop line or tap line
39)__________________ layer converts frames coming from Data Link layer into bits
and sends them on the transmission medium.
Physical layer
40)___________________ signal is represented by the discrete values.
digital signal
41)Cellular telephone uses __________waves for communication.
radio waves
42)TCP/IP protocol suite consists of ____________ layers.
four layers(Network Access Layer, Internet Layer, Transport Layer and
Application Layer)
43)Minimum bandwidth required for Manchester line coding scheme is __________.
The minimum bandwidth required for Manchester line coding is twice the
data rate (or bit rate). This means that if you have a data rate of R bits
per second, you need a bandwidth of at least 2R Hz.
44)What is the output of the following code? for (int i = 5; i <= 5; i++) { cout <<
i++; cout << i; }
45)In while loop, the loop counter is initialized at ____________.
before the loop begins”zero”
(i = 0 # Initialization of the loop counter
while i < 5:
print(i)
i += 1 # Increment the loop counter)
46)A repetition statement specifies that an action is to be continued while
some_______ remains true.
a condition
47)To access the data members of structure, _______ is used.
dot (.) operator
48)How many elements are stored in the following? int matrix [4][5];
49)Which header file is required to use file I/O operations?
In C++, the fstream header file is required to perform file input/output
(I/O) operations
In C, the stdio.h header file is used for file I/O.
