Class 10 Unit 3 ICT Skills.pdf withou any adds

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1. Unit 3
Information and Communication
Technology Skills
Part A
Employability Skills
Notes By Rafiq Tamboli

2. Basic Computer Operations
Performing Basic File Operations
Computer Care and Maintenance
Computer Security and Privacy
Notes By Rafiq Tamboli

3. Computer Hardware and Software
A computer system consists of two main parts—
the hardware and the software.
Hardware : The physical parts that we can see and touch
are called hardware. It is the machinery of a computer.
These are the keyboard, monitor, CPU, etc.
Software : Software comprises the entire set of
programs, procedures, and routines associated with
the operation of a computer system.
Hardware
Software
Basic Computer
Operations
Notes By Rafiq Tamboli

4. A computer automatically runs a basic program
called BIOS (Basic Input/Output System) as soon
as it is switched on or the power button is pushed
on.
The BIOS first does a self-test. If the self-test
shows that the system is fine, the BIOS will load
the Operating System.
Booting is justthe process of starting or resetting
the computer.
To make sure your computer is locked, you have login-IDs and passwords. A
login and password is like a key to the lock which allows you to use the
computer.
Notes By Rafiq Tamboli

5. A keyboard is an input device used to type text,
numbers and commands into the computer
1) Function Keys - Keys labeled from F1 to F12 are function keys.
2) Alpha – Numeric Keys
3) Numeric Key Pad
4) Navigation Keys
5) Control Keys
Keyboard
Notes By Rafiq Tamboli

6. A mouse is a small pointing device that
you can use to move, select and open
items on your computer screen
•Roll Over or Hover
•Point and Click
•Drag and Drop
•Double-click
Mouse
Notes By Rafiq Tamboli

7. Files and Folders
All information stored in a computer is kept in files.
Different types of files store different types of
information.
A folder is a location where a group of files can be stored.
File → Used to store information
.doc, .xls, .jpg, .mov (Extension Depend on type of file)
Folder → Used to store Files
Performing Basic File Operations
Notes By Rafiq Tamboli

8. Importance of Care and Maintenance of Computers
•Keeping a Device Clean
•Prepare a Maintenance Schedule
•Backup Your Data
•Scanning and Cleaning Viruses
•Increasing Computer Performance
•Removing SPAM from your Computer
Notes By Rafiq Tamboli

9. Computer Security and Privacy

Security break is leakage of information stored in a
computer.
Threats to Computer
Threats are the ways in which personal information can be
leaked from a computer without our knowing.
Software Piracy: This is stealing of software and includes
using or distributing unlicensed and unauthorised copies of
a computer
program or software.
Virus: Viruses are computer programs that can damage the
data and software programs or steal the information stored
on a computer.
A computer virus is a type ofmalwarethat attaches itself to
a program or file.
Notes By Rafiq Tamboli

10. Protecting your Data
Use passwords to login to your computer
Install Anti-virus and Firewall
Encrypt Data
Secure sites
Notes By Rafiq Tamboli