7/26/2019 Topic 1 Compact INFORMATION

1/17

TOPIC-1Modern Computer Systems:

Evolution of Computer Systems

7/26/2019 Topic 1 Compact INFORMATION

2/17

Computer

A computer is a programmable machine designed tosequentially and automatically carry out a sequenceof arithmetic or logical operations. The particularsequence of operations can be changed readily,

alloing the computer to sol!e more than one "ind ofproblem.

#achine that can sol!e problems by accepting data,performing certain operations and presenting theresult of those operations under the direction ofdetailed step by step instructions.

7/26/2019 Topic 1 Compact INFORMATION

3/17

Parts of a Computer

7/26/2019 Topic 1 Compact INFORMATION

4/17

Characteristics ofComputers $peed

Accuracy

%eliability

$torage Capability

%educed Cost

Pro!ides capability that otherise ould

be impossible

7/26/2019 Topic 1 Compact INFORMATION

5/17

Primary types of Computers

Computers for Personal &se 'es"top Computers

(or"stations

)oteboo" Computers Tablet Computers

*andheld Computers+ Palmtops

$mart Phones

Computers for Organiations )etor" $er!ers

#ainframe Computers

#ini Computers

$uper Computers

7/26/2019 Topic 1 Compact INFORMATION

6/17

&se of Computers

$ociety

*ome

ducation

usiness

/o!ernment

*ealth Care

7/26/2019 Topic 1 Compact INFORMATION

7/17

$tructure of !on )eumannmachine

7/26/2019 Topic 1 Compact INFORMATION

8/17

!olution of Computers

Abacus

7/26/2019 Topic 1 Compact INFORMATION

9/17

!olution of Computers

)apier0s ones

7/26/2019 Topic 1 Compact INFORMATION

10/17

!olution of Computers

Pascaline

7/26/2019 Topic 1 Compact INFORMATION

11/17

!olution of Computers

Punched Cards

'ierence ngine

2irst Programmer3 Ada

ool

7/26/2019 Topic 1 Compact INFORMATION

12/17

/enerations of Computers

2irst /eneration 1456 - 1478

$econd /eneration 1479 - 146:

Third /eneration 1465 - 148;

2ourth /eneration 1481 - Present

2ifth /eneration 2uture

7/26/2019 Topic 1 Compact INFORMATION

13/17

2irst /enerations 1456-1478

7/26/2019 Topic 1 Compact INFORMATION

14/17

$econd /eneration 1479-146:Transistors

2aster, Cheaper, %eliable, smaller

Input+ Output3 Punch Cards, #agneticTapes

Programming =anguage3 2O%T%A) andCOO=

I#

7/26/2019 Topic 1 Compact INFORMATION

15/17

Third /eneration 1465-148; $ilicon Chips >Integrated circuits?@ IC

$maller, Cheaper, 2aster, %eliable

Input+ output 3 eyboard, #onitor,#agnetic *ard 'is"s

7/26/2019 Topic 1 Compact INFORMATION

16/17

2ourth /eneration 1481-Present #icroprocessors

Input+ Output3 #onitors, eyboards,Printers, #agnetic *ard dis", Optical

'is", 2lash #emory )etor" as introduced

Apple, Bero, Teas Instrument, *elett-

Pac"ard

7/26/2019 Topic 1 Compact INFORMATION

17/17

2ifth /eneration 2uture

ArtiDcial Intelligence

)anotechnology

Optical Computers