Biplob senId:13117401

Department of MarketingUniversity 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

Mesbahul Haque13037426Topic :

Modern age in computer

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

tablet pc laptop pc

Thanks to all

Name:Mohammad ShakiluzzamanRoll:13087439

Group:01Course:Computer in Business

TOPIC

• CPU• Function of CPU

CPU

Major parts of CPUA.L.UC.UStorage device

Function of CPU

Name: MD. Touhidul Islam(Rifat)Roll:13017442Marketing 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 of keys

Function keys• Special keys

programmed to issue commands toa computer

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, rectangular pointing device that is sensitive to pressure and motion

Typically built onto keyboards of laptop or notebook computers

Some require a specially designed monitor

To select objects on the screen, you press the light pen against the surface of the screen and then press a button on the pen

What is a light pen?

• A handheld input device that contains a light source or can detect light

LIGHT PEN

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

A wheel is a steering-wheel type input device• You turn the wheel to

drive a car, truck, or other vehicle

• Most include foot pedals

OTHER POINTING DEVICES

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

joystick

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 devicesAn 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

headphoneHeadphones (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: 13047461Computer in Business 203 (C)

2nd Year 1st Semester

Advantages of Computerization

Can you stay a moment without O2?

Obviously No!

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

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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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Thank You

5

WELCOME TO OUR PRESENTATION CLASS

JOY KUMAR BISWASID: 13017481

DISADVANTAGE OF COMPUTERIZATION

• UNEMLOYMENT PROBLEM• WASTAGE OF TIME AND ENERGY• DATA SECURITY• COMPUTER CRIMES• PRIVACY VIOLATION• HEALTH RISKS• IMPACT ON ENVIRONMENT

Welcome to Presentation

Name – Swapan MandalID no- 13057482

Department of MarketingUniversity 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

• Time saving• Communication• Reduce cost• Storing capacity• Data analysis and processing• Increase productivity• Decision making• Transfer data and message

SUJAN TANCHANGYA13057512

# 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. Online banking2. Electronic mail3. Audio video conferencing4. News groups5. Automated teller

machine(ATM)6. Design7. Business work done at

home8. Bankers’ automated

clearing services