19.08.2019
 Introduction to the field of Computers Dissertation

SUMMARY OF THE

WORLD OF COMPUTERS

Introduction to Information Technology

PCS IN YOUR LIFESTYLE

Why discover computers?

Basic computer literacy—knowing about and

understanding pcs and their uses—is an

important skill today for everyone

 Computers in your own home

Look up information, exchange e-mail, shop,

down load music and movies, research goods, pay

bills and take care of bank accounts, examine news and

weather, shop and set up digital images, play

games, plan vacations, work at home, and even more

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PCS IN YOUR LIFESTYLE, CONT…

Computers in education: from straight drill-andpractice programs to using the laptop as a general student-based learning tool. Colleges and universities,

classrooms, computer system labs, dorms, libraries

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COMPUTERS WITHIN YOUR LIFE, CONT…

 Computer systems

in the workplace: International

corporation Entrepreneurs, check-out clerks, traveling

salesmen, police officers, insurance adjusters,

doctors and nurses, auto mechanics

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PERSONAL COMPUTERS IN YOUR YOUR LIFE, CONT…

 Computers

out and about:

portable PCs, Wi-Fi

hot spots, Internet

eateries, ATM equipment,

gym ID cards, gas or

auto parking smart playing cards,

portable GPS DEVICE, kiosks

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WHAT IS A PC AND

WHAT DOES IT CARRY OUT?

Computer: programmable, electronic device that

accepts info, performs procedures, presents the

results, and can store your data or benefits

 Input—entering data in to the computer

 Processing—performing businesses on the

info

 Output—presenting the results

 Storage—saving data, courses, or end result for

future use

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What Is a Computer system and

What Does It Perform? cont… a

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INFO VS . INFORMATION

Info = raw, unorganized specifics

Can be in the form of text, images,

audio, or video

Information = data that has been processed in a

meaningful contact form

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PERSONAL COMPUTERS THEN AND TODAY

 The

computer to be sure it is a pretty recent

invention

 A brief history of computer systems is often labeled in

conditions of decades, from pre-computers and

early on computers (before 1945) to fifth

generation computers (now and the future)

 Every single new generation is seen as a a

major technological creation

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PERSONAL COMPUTERS THEN AND AFTER THIS

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HARDWARE

 The

physical parts of a pc are

collectively referred to as hardware

 Inside hardware: located inside the primary box (system

unit) of the computer

 External hardware: located outside the system device and

connect into fittings called jacks located on the outdoor of the program unit

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HARDWARE, CONT…

 Insight

devices: utilized to input info into the

computer system (keyboard, mouse, scanner, electronic digital

pen, and so forth )

 Processing devices: perform calculations and

evaluations needed for control. The main

processing device is definitely the central control unit

(CPU)

 Output devices: present the leads to the user

(printer, monitor, audio system, etc . )

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HARDWARE, CONT…

Storage area devices: used to save info, programs or

output; retail outlet data about storage mass media (floppy hard disks, CDs,

Dvd disks, hard drives, adobe flash memory credit cards, USB display

memory hard disk drives, etc . )

 Communication devices: permit the user to

communicate with other folks and gain access to remote

data (modem, network adapters, etc . )

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SOFTWARE

 The

applications or recommendations used to tell the

computer systems what to do

 System computer software: allows a pc to

run

 Main system: the main system software

plan

 Shoes the computer and launches applications etc . on the

user's path

 House windows, Mac OS, Linux, and so forth

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SOFTWARE

 Application

applications

software: works specific tasks or

 Creating letters, budgets, and so forth

 Handling inventory and customer sources

 Arranging appointments

 Viewing Webpages

 Sending and receiving e-mail

 Creating homes

 Playing games

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USERS AND

EXPERTS

Computer users (end users): people who make use of a computer to

obtain data

...