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Biplob sen
Id:13117401
Department of Marketing
University of Rajshahi
HISTORY OF COMPUTER
PASCAL(1623-62)
LEIBNITZ(1646-1716)
BABBAGE(1792-1872)
BURROUGHS(1855-98)
HOLLERITH(1890)
AIKEN(1900-73)
ATAN SOFF(1941)
ECKERT AND MAUCHLY(1946)
VON NEUMAN
•THANK YOU
What is modernization :
Which make people’s lives easier and more
comfortable and provide opportunities for staying in
touch to billions of people who may very well be in
different parts .
Modernization in computer :
Modernization of computer is the chronological change
in the computer life cycle which make the revolution in
our technological life style .
abacus
desktop pc
Thanks to all
Name:Mohammad Shakiluzzaman
Roll:13087439
Group:01
Course:Computer in Business
TOPIC
• CPU
• Function of CPU
 CPU
Major parts of CPU
A.L.U
C.U
Storage device
Function of CPU
Name: MD. Touhidul
Islam(Rifat)
Roll:13017442
Marketing 2nd year 1st
semester.
Input and output devices
what is an input devices
• Any hardware component that allows you
to enter data, programs, commands, and
user responses into a computer.
THE KEYBOARD
What is a keyboard?
• An input device that contains keys you press to
enter data into the computer
• Typing area

• Letters of the alphabet, numbers,
punctuation
marks.
Numeric
keypad
• Calculator
style
arrangement
Function
keys
keys keys
• of
Special
programmed to
issue commands
to
MOUSE
What is a mouse?
• A pointing device that
fits comfortably under
the palm of your hand
• The most widely used
pointing device on
desktop computers
• The mouse controls the
movement of the
pointer, also called the
mouse pointer, on the
screen
TOUCHPAD
What is a touchpad?
• Also called a trackpad
 A small
flat,
rectangula
r pointing
device
that is
sensitive
to
pressure
and
motion
 Typically
built onto
LIGHT PEN
What is a light pen?
• A handheld input device that contains a light
source or can detect light


Some require
a specially
designed
monitor
To select
objects on
the screen,
you press the
light pen
against the
surface of
SCANNERS AND
READING DEVICES
What is a scanner?
• A device that captures data directly
from source documents
• A source document is the original form
of the data
OTHER POINTING
DEVICES joystic
What are a joystick and a wheel?
• Help the user control the actions of
players and vehicles in game and
simulation software
• A joystick is a vertical lever mounted on
a base
• You move the lever in
different directions to
control the actions of a
vehicle or player
 A wheel is a steeringwheel type input device
• You turn the wheel to
drive a car, truck, or
other vehicle
• Most include foot
pedals
k
VOICE INPUT
What is voice input?
• The process of entering data by speaking into a
microphone that is attached to the sound card on the
computer
• Voice recognition, also called speech recognition, is the
computer’s capability of distinguishing spoken words
Output devices
An output device is any electronic or
electromechanical equipment connected
to a computer and used to transfer data
out of the computer in the form of text,
images, sounds, or other media. Examples
of output devices include speakers,
headphones, printer and screen/monitor.
speakers
Computer speakers, or multimedia speakers, are speakers
external to a computer, that disable the lower fidelity built-in
speaker. They often have a low-power internal amplifier.
PROJECTOR
• A device that takes the image from a computer
screen and projects it onto a larger screen so an
audience of people can see the image clearly
headphone
Headphones (or "head-phones" in the early days of telephony and
radio) are a pair of small loudspeakers that are designed to be held
in place close to a user's ears. They are also known as ear speakers,
earphones[ or, colloquially, cans. The alternate in-ear versions are
known as earbods or earphones.
Computer monitor
• The monitor displays the video and
graphics information generated by the
computer through the video card. Monitors
are very similar to televisions but usually
display information at a much higher
resolution.
printer
• A printer is a peripheral which makes a
representation of an electronic document
on physical media. Individual printers are
designed to support local and network
users at the same time. Some printers can
print documents stored on memory cards
or from digital cameras and scanners
modem
• Modem an electronic device that makes
possible the transmission of data to or from a
computer via telephone or other
communication lines
The end
Md Emrul Ahsan Mehedi
Roll: 13047461
Computer in Business 203 (C)
2nd Year 1st Semester
Advantages of Computerization
Can you stay a moment without O2?
Similarly there have no way to stay away from the touch of computerization.
Now-a-days it seems like it is our every day's oxygen.
It is our technological meal that we must have to take in every day. There have
thousands of important advantages of computerization, some of these
advantages are below•
•
•
•
•
•
Computer saves time
Computer boost up the speed
Computer is smart and efficient
Computer makes us fast
Computer makes our life easier
Security and defense system has been changed significantly by dint
of computerization
• People can communicate all over the world in a second
32
Some of the specific advantages of computerization
> Computer in Management
> Computer in Education
> Computer in Medical
> Computer in Business
> Computer in Communication
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Facebook
34
Thank You
5
WELCOME TO OUR
PRESENTATION CLASS
JOY KUMAR BISWAS
ID: 13017481
DISADVANTAGE OF COMPUTERIZATION
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UNEMLOYMENT PROBLEM
WASTAGE OF TIME AND ENERGY
DATA SECURITY
COMPUTER CRIMES
PRIVACY VIOLATION
HEALTH RISKS
IMPACT ON ENVIRONMENT
Welcome to Presentation
Name – Swapan Mandal
ID no- 13057482
Department of Marketing
University of Rajshahi
Effect of Computer in Business
Computers are used in every industry
and type of business today. The
Computers are used in every industry
and type of business today. They come
in many different forms and new uses
are being developed constantly thanks
to evolving technology. While
consumers use computers to
communicate and entertain, businesses
are primarily interested in computer
technology as it relates to completing
projects and handling specific business
activities. From this practical standpoint,
computers have had an important
impact on nearly every level of business
operation.
Effect of Computer in Business
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Time saving
Communication
Reduce cost
Storing capacity
Data analysis and processing
Increase productivity
Decision making
Transfer data and message
SUJAN TANCHANGYA
13057512
# HOW COMPUTER CAN SAVE TIME?
In today’s world, it is almost impossible to think that one
can survive without computers.
They have become a gadget of almost daily use for people
of every age. Computers are important in almost all the
business transactions that are made today.
The most that any field has gained from the invention of
the computers is the business field because of it’s nature.
Computers have gained importance as they have increased
the productivity and efficiency of work done which saves a
lot of time.
1.
2.
3.
4.
5.
Online banking
Electronic mail
Audio video conferencing
News groups
Automated teller
machine(ATM)
6. Design
7. Business work done at
home
8. Bankers’ automated
clearing services