Different modes of communication and their uses - class-VIII
Description: different modes of communication and their uses | |
Number of Questions: 79 | |
Created by: Muni Gupte | |
Tags: information technology physics communication systems |
SMS and MMS are the features of:
The device that can be used to send a hardcopy of a document to other places quickly is _________ .
Mobile consists of a portable microchip called :
At which place our countries first telephone exchange was established?
Printed documents to be transmitted by fax are converted into electrical signals by the process of.
The purpose of dividing each frame into two field so as to transmit $50$ views of the picture per second is
Which of the following can be sent from one place to another by a Fax machine?
State whether the given statement is true or false :
The study of control and communications in complex electronic systems and in animals is known as.
In internet terminology IP means
The Internet was originally a project of which agency?
Internet access by transmitting digital data over the wires of a local telephone network is provided by
HTML is used to create
The buttons used in browser file operations are present in
A user sends his resume to his email account. The process of transferring the file is known as
Menu bar is placed
Which key in the keyboard can you use to stop a webpage from loading
Title bar in a browser
When the HOME button in the web browser is clicked
Which button in a web browser is used to re open a webpage, that has abruptly been terminated
The STOP button in a browser helps us to
The edit button in a webpage helps one to
A website is
The first commercial ISP used is
An Internet Service Provider is
Which one of the following is not a search engine?
Scroll bar in a website is used to
Status bar in a website shows
One of the disadvantages of multimedia is:
The address of the website is to be typed in
The software needed to access the world wide web is
Pickout the incorrect option amongst the list of ISPs shown below:
An advantage of conducting an interview via Skype rather than face-to-face is that:
Which of the following is a practical problem associated with asynchronous focus groups?
Why is it argued that samples recruited online are not representative of the general population
The two ways of distributing on-line surveys are:
Which of the following is not a problem associated with using websites as sources of data?
Internet is the result of an experiment used to
What is the main advantage of an attached email questionnaire over an online social survey?
The first publicly available internet facililty in INDIA was launched by
What is the advantage of using Internet surveys to supplement traditional postal questionnaires?
Which of the below options are correct?
Internet addresses must always have at least
Internet requires
The feature that can protect the computers in a WAN from getting hacked is
The data transmission error is
Each computer connected to the internet must
The facilities available in the internet are :
(i) E-mail
(ii) Remote login
(iii) File transfer
(iv) Word processing
The setup costs in establishing
By an intranet we mean
Internet uses
Desirable properties of a website are
The difficulty to recognize the speaker's voice over the telephone is due to poor quality of sound.
Basic components of a transmitter are
Government has divided the carrier frequency range from 30 Mhz to 60 Mhz between 20 stations which are independently beaming their signals. Which of the signals can be beamed by each of the stations :-
_________ converts the light from T.V camera to VF signals.
Channel selection is selection of ________ of a T.V. station.
Depending upon the frequency of the ____________ emitted by remote control, a channel is selected, by the ________ sensor.
What is ISD in telephonic communication ?
The remote control handset of T.V makes use of _________ of very low frequency.
The working of mobile is similar to the working of which of the following devices?
The sound waves in telephonic communication are converted into electric signals by the________ and the signals reach the _____________ at the other end by cables.
Two-way radio device is called ________ .
Which of the following is not the advantage of communication through mobile?
Arrange the following in accordance to block diagram of a T.V transmitter.
a) T.V Camera
b) Photo cell
c) Amplification
d) VF signals
e) Amplifier
f) Modulation
The part of telephone instrument which is placed in front of mouth and collects sound and then propagates the information in the form of electromagnetic waves is called:
Printed documents to be transmitted by fax are converted into electrical signals by the process of :
Which one of the following is a full duplex transmission system?
Which of the following groups of instruments is required to have communication line between two television relay centres?
The computer jargon - WWWW, stands for
The width of a webpage is 768 pixels. An user designs a webpage with a width twice the actual width. Which component of the webpage can be used to view the full website
Which of the following is not a disadvantage of conducting focus groups online?
A local area network is
HTML and XML are markup languages
In order to interpret XML documents one should
The packets of an internet message
A wide area network is
Internet data is broken up as
T.V. Transmission requires _________ waves,which are not bounced by Ionosphere.