Computer Internet & Networking Short Questions -5
Internet-5
Computer Internet & Networking Short Questions -5
Question 1
Which of the following communications lines is best
suited to interactive processing appJIcatjons?
)narrow band channel
simplex lines
mixed band channels
full duplex lines
Question 2
A remote batch-processing I operation in which data is
solely input to a central computer would require
telegraphp line
) none of the above
mixed bad channel
all of above
simplex lines
Question 3
A band is always equivalent to
) a byte
a bit
100 bits
none of the above .
Question 4
The loss in signal power as light travels down the fiber is
called
interruption
progragation
scattering
attenuation
Question 5
Avalanche photodiode receivers can detect bits of
transmitted data by receiving
200 photons
100 photons
) 2000 photons
300 photons'
Question 6
Communiction circuits that transmit data in both
directions but not at the same time are operating in
a simplex mode
all the options
a full duplex mode
a half duplex mode
Question 7
An example of a medium speed, switched
communications service is
series 1000
data phone 50
All of the above
ODD
Question 8
In communication satellite,multiple repeaters are known as
detector
modulator
transponders
stations
Question 9
While transmitting-odd-parity coded symbols, the number
of zeros in each symbol is
odd
unknown
a and b both
even
Question 10
. Data communications monitors available on the software
marked include
TOTAL
ENVIRON/1
BPL
Tel net
Question 11
An exajnple of an analog communication method is
laser beam
microwave
voice grade telephone line
none of the above
all of the above
Question 12
Number of bits per symbol used in Baudot code is .
7
9
8
5
Question 13
What is the main difference between DDCMP and
SDLC?
DDCMP has a message header
DDCMP does not need special hardware to final the
beginning of a message
SDLC has a IP address
SDLC does not use CRC
Question 14
An example of digital, ratherthan analog, communication
is
DOS
DDD
WATS
DOT
Question 15
Terminals are required for
) real-time, batch processing & time-sharing
real time, timesharing & distributed message
processing
real-time, time sharing & message switching
real time, distributed processing & manager inquiry
Question 16
The receive equilizer reduces delay distortions using a
gearshift
descrambler
tapped delay lines
difference engine
Question 17
Ina synchronous modem, the receive equilizer is known as
impariment equilizer
adaptive equilizer
statistical equilizer
compromise equilizer
Question 18
The channel in the data-communication model can be
postal mail services
telephone lines
none of the above
radio lines
all the above
Question 19
A data terminal serves as an
Effector
sensor
neither a nor b
both a and b
Question 20
Which of the following transmission systems provide the
highest data rate to in individual device?
telephone lines
computer bus
voice and mode
lease lines
Question 21
A protocol is a set of rules governing a time sequence of
events that must take place
between modems
between an interface
between peers
across an interface
Question 22
__ is used in operating system to separate mechanism
from policy
Two level implementation
Single level implementation
Multi level implementation
All of the above
Question 23
The operating system creates.
Virtual computers
All the above
Virtual device
Virtual space
Question 24
from the physical computer__shares characteristics with
both hardware and software
All the above
Software
Data
Operating system
Question 25
Multiprogramming systems
Are easier to develop than single programming systems
Execute more jobs in the same time period
Execute each job faster
Are used only one large mainframe computers.
Question 26
Multiprogramming systems
Are easier to develop than single programming systems
Execute more jobs in the same time period
Execute each job faster
Are used only one large mainframe computers.
Question 27
Multiprogramming systems
Are easier to develop than single programming systems
Execute more jobs in the same time period
Execute each job faster
Are used only one large mainframe computers.
Question 28
Multiprogramming systems
Are easier to develop than single programming systems
Execute more jobs in the same time period
Execute each job faster
Are used only one large mainframe computers.
Question 29
Which is the first program run on a computer when the
computer boots up?
Operating system
System software
System operations
All the above
Question 30
Which is built directly on the hardware?
Computer Environment
Application Software
Data base System
Opera ti ng System
There are 30 questions to complete.
