Science
Write down
the characteristic features of the following animals in your science note book.
Submit the same on Tuesday(20/9/16). Study the underlined words for a dictation
on the following day.
MOLLUSCS
Crawl on a single
fleshy pad.
Can have a shell.
FLATWORMS
Have flat worm
like bodies
SPONGES
Have bodies made of loosely
joined cells
Hindi
Learn question answers of lesson -6 written in the
notebook.
Computers
Note down and answer the following in your computer
notebook. Submit the same on Monday, 3/10/2016.
Ls. Connect with others
- Communication
Q. Fill in
the blanks with the correct option from the bracket.
(network,
WAN, LAN, network cable, communication, MAN)
1) The sharing of information between
two or more computing devices is called
_____________________.
2) When two or more computers or computing devices are connected
with each other they form a __________________.
3) ______________ is a network that is spread in an area that is
larger than LAN, such as a network across a city.
4) _______________ is used to connect computers in small
areas such as a lab, school or office building.
5) A ________________ is a network that is spread
across the countries.
6) _____________________ is the wire or medium through which
information moves from one computer or device to another.
Q. Answer the following
questions.
1) What are the advantages of computer
networks?
Ans.
When computers are connected together in a network they allow:
·
Sharing of
resources such as printers.
·
Sharing of
files or information.
·
Communication
(Email, Chat).
·
Playing
network games.
2) Name
the different types of computer networks.
Ans. Types of networks:
·
Local Area
Network (LAN)
·
Metropolitan
Area Network (MAN)
·
Wide Area
Network (WAN)
3) How can computers be connected to each other?
Ans.
The computers on a network may be linked through various mediums.
1.
Guided Connectivity (Wired connectivity)- Cables
2.
Unguided Connectivity (Wireless Connectivity) – Satellites, Blue tooth, Wi-fi
4) Name the different Network Cables?
Ans.
The different types of cables are:
·
Twisted Pair
Cable
·
Coaxial Cable
·
Fiber Optic
Cable
5) What do you mean by wireless
connectivity?
Ans. The networks that connect without
cables is called wireless connectivity.
6) Write
three ways in which computer network help you to communicate
with your friends.
Ans. Three ways in which
computer network help you to communicate with your friends are emails, chats
and video calling.
Q. Write one word answers for the following using given clue
words in the bracket:
(Guided medium, WAN, LAN, Network, MAN, Unguided medium, Communication)
a.
Interconnection between the computers. _________________________
b.
Sharing of ideas and thoughts. _________________________
c. A
network spread across a city. _________________________
d. A
small network within a computer lab. _________________________
e.
Wired transmission medium. _________________________
f.
Wireless transmission medium. _________________________
g. A world wide network of
computers. _________________________
Q.In the
table given below identify whether wired or wireless transmission takes place:
|
S. No
|
Application
|
Type of transmission
|
|
1)
|
Desktop computers in offices
|
|
|
2)
|
A laptop used in a school
|
|
|
3)
|
Sending a message through email
|
|
|
4)
|
Transfer of song from one mobile to
another using wi-fi
|
|
1)
Name a network to connect computers and other
devices in a small place.
Ans. LAN –
Local Area Network
2) A bank is planning to link its
branch in the same area near the main office. Which network will be formed?
Ans. MAN –
Metropolitan Area Network
