Basic IT Skills

1. PRESENTED BY-
NIDHI BULCHANDANI

2. A computer is a device that can be instructed to carry out
sequences of arithmetic or logical operations automatically.
Modern computers have the ability to follow generalized sets
of operations, called programs.
These programs enable computers to perform an extremely
wide range of tasks.

3. The input unit consists of input devices that are attached to
the computer.
These devices take input and convert it into binary language
that the computer understands.
Some of the common input devices are keyboard, mouse,
joystick, scanner etc.

5. The output unit consists of output devices that are attached
with the computer.
It converts the binary data coming from CPU to human
understandable from.
The common output devices are monitor, printer, plotter etc.

6. A program is a sequence of instructions that perform a
particular task. A set of programs form a software.
It is the software which gives hardware its capability.
Hardware is of no use without software and software cannot
be used without hardware.

7. Software can be broadly are categorized as:
System Software - System Software is the software that is directly related to coordinating computer
operations and performs tasks associated with controlling and utilizing computer hardware
Application Software - An application software is bought by the user to perform specific applications
or tasks.
for example - making a document or making a presentation or handling inventory or managing the
employee database.
Utility Software - The Utility Software is system software that helps to maintain the proper and smooth
functioning of a Computer System. It assists the Operating System to manage, organize, maintain, and
optimize the functioning of the computer system.
For example- antivirus software, file management tools, compression tools, disk management tools, etc.

8. A network consists of two or more computers that are linked
in order to share resources exchange files, or allow electronic
communications.
The computers on a network may be linked through cables,
telephone lines, radio waves, satellites or infrared light
beams.

9.  LOCAL AREA NETWORK (LAN) – A Local Area Network (LAN) is a group of
computer and peripheral devices which are connected in a limited area such as
school, laboratory, home, and office building. It is a widely useful network for sharing
resources like files, printers, games, and other application. The simplest type of LAN
network is to connect computers and a printer in someone’s home or office.
 METROPOLITIAN AREA NETWORK(MAN)- A Metropolitan Area Network or MAN
is consisting of a computer network across an entire city, college campus, or a small
region. This type of network is large than a LAN, which is mostly limited to a single
building or site.

10.  WIDE AREA NETWORK(WAN)- WAN (Wide Area Network) is another important
computer network that which is spread across a large geographical area. WAN
network system could be a connection of a LAN which connects with other LAN’s
using telephone lines and radio waves. It is mostly limited to an enterprise or an
organization.
 PERSONAL AREA NETWORK (PAN) - PAN (Personal Area Network) is a computer
network formed around a person. It generally consists of a computer, mobile, or
personal digital assistant. PAN can be used for establishing communication among
these personal devices for connecting to a digital network and the internet.

13.  Control Panel
 File Explorer
 Internet browser
 Microsoft Paint
 Taskbar
 Start menu
 Task Manager
 Disk Cleanup

14.  Microsoft Word (often called Word) is a graphical word processing program that users
can type with.
 It is made by the computer company Microsoft.
 The purpose of the MS Word is to allow the users to type and save documents.

15.  Creating and saving a file
 Editing and formatting a document
 Paragraph formatting
 Inserting header and footer and Page number
 Checking spelling and grammar
 Inserting Symbols
 Print preview and printing
 Inserting clipart, word art and picture
 Bullets and numbers
 Border and Shading
 Searching a word and replace it by another word
 Inserting table