Class- 9th
IT (402)
Book : Employability Skills
U-3 ICT Skills
1) Define IT.
Ans: Information
Technology means creating, managing, storing and exchanging information. It
includes all technologies that can be used to deal with information.
2) Define ICT.
Ans:
ICT stands for Information and Communication Technology which deals with the
use of electronic media like computer, smart phone, iPad, etc. to store
process, and retrieve data or information.
3) Name any three latest information
technologies.
Ans: Smart Phone , iPad, Tablet.
4) What do you mean by digital divide?
Ans: Digital divide is defined as the gap
among the people, individual, business and households who have the
knowledge and opportunity to access the equipment of the computer. It also
refers to the people who don't have the have the knowledge and opportunity to
access the equipment of the computer.
5). How
is ICT helpful in education?
Ans: ICT for education refers to the development
of information and communications technology specifically for teaching/learning
purposes.
ICT
has also become integral to the teaching-learning process. ICT, to some extent,
has replaced traditional chalkboards with interactive digital whiteboards. It
is used for teaching-learning and assessment. Teach resources for the teachers
are available.
Students
are also using their own smart phones or other devices for learning during
class time. Online assessment is also helpful for students.
6) What is the use of ICT in
business?
Ans: ICT in business can be used for the following
purposes:
• Keep records of the stock
• Prepare accounts and balance sheets
• Maintain database of staff and customers
• E-commerce enables people to buy and sell products
online. This service is available 24 x 7.
•
E-banking facility helps to make banking transactions at any time of the day .
7) What is the role of ICT
in e-governance?
Ans: ICT in
governance means using Internet, other electronic media buy the central and
state governments, by local administrative bodies to improve the efficiency,
transparency, efficiency of the government. Many government services are
available online. Electronic voting for elections has replaced the traditional
voting slip.
8) Discuss the
role and importance of ICT in personal life and at workplace.
Ans: Information Technology has
become a part of everyday life. ICT applications are found in every field –
education, health, business, design, manufacturing, science, environment. You
can create a project report, do office work, send messages, read books, manage
daily planner, play games, listen to music, watch movies, pay bills, book
tickets, buy products, and the list in endless
9) Discuss use of various ICT tools.
Ans: ICT tools are devices that are used in
Information and communication technology. For example, computer, smart phone,
radio, television, iPad, tablets, etc.
Worksheet
1.
Name any three ICT tools.
Ans: computer,
smart phone, radio, television, iPad, tablets, etc.
2.
Name the electronic device that can hold hundreds of books in digital form.
Ans: E-readers
are electronic devices that can hold hundreds of books in digital form.
E-readers are portable, have a long battery life
3.
Mention any three advantages of email.
Ans: Email is the most common way
of communication in today’s world. It is the official way of communication.
Some of the advantages of using email are: 29
• You don’t
have to pay anything extra for sending or receiving email. You just pay for the
internet
connection.
• You can send bulk mails
• The receiver may not be online when you send the email.
• You can send documents, presentations, images, videos, etc. as an
attachment to email.
• When you send
an email, it reaches, the receiver at any part of the world in few seconds.
4. Mention use of
tablets.
Ans: Tablets are small personal
computers with a touch screen. Tablets allows user to input data and
instructions through keyboard or mouse. Learning software called apps can be
downloaded onto tablets. You can also watch videos relevant to your subject.
Session
Prepare
poster or collage to show the role of ICT at workplace
Lets Try It
1.
Discuss various components of a computer system.
Ans: A computer system comprises of hardware and
software.
• Computer hardware – Physical parts of a computer
such as Input devices, output devices, central processing unit and storage
devices are called computer hardware.
• Computer
software – Software are the programs or applications that run on computer.
For example, MS Word, MS PowerPoint, Operating systems, etc.
2.
List few hardware devices.
Ans: The physical components of a computer system
are called hardware. A computer basically consists of following physical
components:
• Input unit
• Processing unit
• Storage unit
• Auxiliary storage
•
Output unit
3.
List names of few softwares.
Ans: Software
is a set of computer programs that perform a particular task.
Following
are the categories of softwares:
4.
Identify and name application software(s) installed in your computer.
Ans: Application software is a computer program
that is designed to perform a certain type of work. This type of software
pertains to one specific application. For example, software written to
calculate salary of the school employees cannot be used to prepare school
result.
Application
softwares can be classified as General purpose software and Specific purpose
application software.
General
purpose application software includes word processing software, like, Microsoft
Word., spreadsheet software, like, Microsoft Excel, etc.
5.
Identify and name anti-virus software installed in your computer.
Ans: Antivirus
software:- This program helps in
detecting and removing viruses. For example, Norton antivirus, McAffee virus
scan, etc.
6.
Identify few Utility softwares in your computer system.
Ans: A utility program is used to
perform maintenance work on a system or on the components of the computer.
Examples of
Utility program are;- anti-virus software, file management programs, etc.
7. Discuss different
types of softwares.
Ans :
1 )System Software
System software is a set of one
or more programs designed to control the operation of a computer system.
2) Application Software
Application software is a
computer program that is designed to perform a certain type of work. This type
of software pertains to one specific application. For example, software written
to calculate salary of the school employees cannot be used to prepare school
result.
3) Utility Program
A utility program is used to
perform maintenance work on a system or on the components of the computer.
Worksheet 1
1. What is the difference
between system software and application software?
|
System Softwar |
Application Software |
|
System
software is a set of one or more programs designed to control the operation
of a computer system. |
Application
software is a computer program that is designed to perform a certain type of
work. This type of software pertains to one specific application. For
example, software written to calculate salary of the school employees cannot
be used to prepare school result. |
|
Operating
systems and language processors come under the category of system software. |
Application
softwares can be classified as General purpose software and Specific purpose
application software. |
2. Name any three disk
management tools.
Ans: Disk Management Tools:- These programs include
• Disk Cleaner:-This utility scans for the files
that have not been used since long. These files may be occupying large amount
of space. It prompts the user to delete such files to create more disk space.
• Disk
Defragmenter:-It rearranges the files and free space on the computer so
that files are stored in contiguous and free space is consolidated in one
contiguous block. This speeds up the disk access.
• Backup:- backup means
making a duplicate of the files and data stored on the computer. This program
is used to take backup copy of the data. In case the original data is lost, the
backed up data can be used.
3. Name the program that
rearranges the files and folders in the computer system.
Ans: Disk
Defragmenter:-It rearranges the files and free space on the computer so
that files are stored in contiguous and free space is consolidated in one
contiguous block. This speeds up the disk access.
4. Give example of file
management tool.
Ans: File
management tools:-These tools help in storing, searching, and sorting files and
folders on the system. For example, Windows Explorer.
5. Name the types of
language processors.
Ans: A computer
understands instructions in the form of machine code, i.e., 0 and 1. The
programs are written in English like high level language called source code.
The source code must be converted into machine language in order to be
executed. The translator program that is used to convert source program written
in high level language to machine code is called language processor. The
program translated into machine code is called the object program.
Worksheet 2
1.
Give full form of the following:
a. ALU
Ans: Arithmetic
and Logic unit (ALU)
b.
CU
Ans: Control
Unit
c.
CPU
Ans :
Central Processing Unit
2.
Name the unit of computer that controls the flow of data from input device to
memory.
Ans: The
control unit controls the flow of data from the input devices to memory and
from memory to output devices. It does not process the data.
3.
Name logical operations that can be performed in ALU.
Ans: The ALU
also performs the following logical operations:
< (less
than)
<(greater
than)
<= (less
than or equal to)
>=
(greater than or equal to)
<>
(not equal to)
4.
Identify the following arithmetic operations:
a. * Multiplication
b. ^ Exponent
c. / Division
5.
Which unit of computer is called the brain of the computer?
Ans:
Processing Unit : CPU
6.
Identify as hardware or software.
(i)
Monitor - Hardware
(ii) MS Word - Software
(iii) Operating system - Software
(iv) Mouse - Hardware
(v) Keyboard - Hardware
(vi) MS PowerPoint - Software
7.
Differentiate between hardware and software.
Ans:
|
Computer hardware |
Computer software |
|
Physical parts of a
computer such as Input devices, output devices, central processing unit and
storage devices are called computer hardware |
Software are the programs
or applications that run on computer. For example, MS Word, MS PowerPoint,
Operating systems, etc. |
8.
What is the difference between data and information.
Ans:
|
Data |
Information |
|
The
term data is simply defined as “facts and figures”. Each piece of data is a
little fact that doesn’t mean much on its own. The word data can be used for
a singular fact or a collection of facts. It comes from the Latin word datum,
meaning “something given”. |
Information
is defined simply as “news or knowledge received or given”. It is what
results when you have processed, interpreted, and organized facts. The word
comes from the Latin word īnfōrmātiō, meaning “formation or conception.” |
9.
Name the unit of computer where arithmetic operations are performed.
Ans:
Arithmetic and Logic Unit
10.
Name any three input devices.
Ans:
Input devices are used for entering
data or instructions into the computer.
Ex:-
Mouse , Keyboard, Microphone, Scanner etc.
