Help me to buy a computer

[shanX]

Ambient must be around 50C

zCexVe wud be shouting 'maama, daada, its snowing' when it reaches 28C - 32C

 

[Anusha]

No?? didnt u notice the or on tht sentance

temprature not performance per watt

oh watevaa... frgt it

7600GT goes to around 65W, but depends on the ambient temp. Don't worry about urs.

 

[shanX]

7600GT goes to around 65W, but depends on the ambient temp. Don't worry about urs.

Forced information

 

[Kasunm]

thread eka rubber wela lolzzzz

 

[GNS]

Hi hi heeee. When u go for a big sound systems there is no rady mate complete sets. U can customize ur sound system as ur wish.

This is my dream ( actually its not just a dream )

*1800W Sub Woofer Amp ( Pioneer,....... But never go for a sony shit amps)
*1300W 12" Kicker Subwoofer ( Still not sure about SUB WOOFER )
*5 way car amp ( still not sure about brand and out put power of amp )
*Pioneer or JBL 6" X 9" 400W four speakers
*Some remote controller circuits
*Finally its need damn power supply. So i have to buy some transformers.

Thats it..... Dreaming.......

What use with a Larger Sound System like that for General Home Using???

 

[GNS]

thread eka rubber wela lolzzzz

Thread has become a Swiss Knife...

 

[GNS]

No no. GIT = General Information Technology or something like that which is in the O/L syllabus

& A/L Syllabus too...

just a Joke....

CONTENTS

1 Introduction to Information Technology 1

• 1.1 Introduction to Information Technology (IT) 1
• 1.1.1 Usage and importance of IT 1
• 1.1.2 Some Common IT Applications 2
• 1.1.3 Why Study IT? 4
• 1.1.4 Data and Information 6
• 1.1.5 Computers for Data Processing 7
• 1.1.6 Characteristics of Information 8
• 1.2 Introduction to Computers 8
• 1.2.1 Computer Hardware 8
• 1.2.2 History of Computers 18
• 1.2.3 Microprocessor Development 24
• 1.2.4 Computer Organization and Architecture 29
• 1.2.5 Memory System in a Computer 32
• 1.3 Software 35
• 1.3.1 Types of Software 36
• 1.3.2 Application Software 36
• 1.3.3 Systems Software 36
• 1.4 Communication and Computer Networks 38
• 1.4.1 Introduction to Communication 38
• 1.4.2 Components of Data Communication System 39
• 1.4.3 Introduction to Computer Networks 41
• 1.4.4 Network Topologies 43
• 1.4.5 Advantages and Disadvantages of Computer Networks 45
• 1.4.6 Applications of Data Communications and
• Computer Networks 46

[*]2 Mathematics for Computing 48

• 2.1 Introduction 48
• 2.1.1 Why we need a computer? 48
• 2.1.2 Historical Development of Logic 48
• 2.2 Number System 49
• 2.2.1 Need of a Number System 49
• 2.2.2 Different Number Systems 50
• 2.2.3 Weighting Factor 50
• 2.2.4 Decimal Number System 51
• 2.2.5 Binary Number System 52
• 2.2.6 Hexadecimal Number System 53
• 2.2.7 Conversions from one Number System to another 53
• 2.3 Data Representation in memory 56
• 2.3.1 What is Data? 56
• 2.3.2 Architectural Requirements of Handling Data 57
• 2.3.3 The BIT and The BYTE 57
• 2.3.4 How to Store Data in Memory 57
• 2.3.5 Need of Data Representation 58
• 2.3.6 Different Data types available to represent
• keyboard characters 58
• 2.4 Boolean Algebra 61
• 2.4.1 What is Boolean Algebra? 61
• 2.4.2 Axiom and a Theorem 61
• 2.4.3 Boolean Algebra, Variables, Expressions and Equations 61
• 2.4.4 Axioms and Theorems in Boolean Algebra 62
• 2.4.5 De Morgans Theorems 63
• 2.4.6 Duality principle 63
• 2.4.7 Truth Table of a Boolean Expression 64
• 2.5 Electronic Implementation of Boolean Functions 65
• 2.5.1 The Gate 65
• 2.5.2 Circuit symbols for Basic Logic Gates 66
• 2.5.3 Combinational Circuits 66

[*]3 Information Systems 70

[*]3.1 What is a System 70
[*]3.1.1 Elements of a System 71
[*]3.1.2 System types 72
[*]3.1.3 Viewing Organisations as a System 74
[*]3.2 Information Systems 74
[*]3.2.1 Data versus Information 74
[*]3.2.2 Problem Solving and Decision Making 76
[*]3.2.3 What is an Information System 77
[*]3.2.4 Manual and Computer Based Information Systems 77
[*]3.3 Types of Information Systems 82
[*]3.3.1 Organisational structure 82
[*]3.3.2 Information system types 84
[*]3.4 Information systems development 87
[*]3.4.1 System Life Cycle 88
[*]3.4.2 Systems Development Life Cycle1 89
[*]3.4.3 Problems in Systems Development 98
[*]3.5 Summary 101
[/LIST]


4 Computer Programming 102

• 4.1 Introduction to Programming 102
• 4.1.1 Languages 102
• 4.1.2 Computer Languages Generations 102
• 4.1.3 Modern Computer Programming Languages 107
• 4.1.4 Pascal 107
• 4.2 Data Types and Operators 111
• 4.2.1 A Program that Inputs Data 111
• 4.2.2 Variables 113
• 4.2.3 Data Types 114
• 4.2.4 Identifiers 116
• 4.2.5 Defining Variables 116
• 4.2.6 Reserved Words 116
• 4.2.7 Predefined Identifiers 117
• 4.2.8 Assignments 117
• 4.2.9 Operators 118
• 4.3 Algorithms 120
• 4.3.1 Introduction 120
• 4.3.2 Problem Solving 121
• 4.4 Program Structure 125
• 4.5 Data Input and Output 126
• 4.5.1 Displaying Data on the Screen 126
• 4.5.2 Inputting Data from the Keyboard 129
• 4.6 Decisions 130
• 4.6.1 Introduction 130
• 4.6.2 Relational Operators 130
• 4.6.3 If Statement 133
• 4.6.4 Case Statement 137
• 4.7 Repetition 138
• 4.7.1 Introduction 138
• 4.7.2 While Loop 139
• 4.7.3 For Loop 143
• 4.7.4 Repeat Until Loop 144
• 4.8 Arrays 145
• 4.9 Sub Routines 148
• 4.9.1 Introduction 148
• 4.9.2 Procedures 148
• 4.9.3 Functions 152
• 4.10 Non Programming Questions 154

5 Use of Computer Software 155

• 5.1 Introduction 155
• 5.1.1 Operating Systems 155
• 5.1.2 Windows Operating System 156
• 5.2 Use of Presentation Software Package 163
• 5.2.1 Introduction to Microsoft PowerPoint 163
• 5.2.2 Creating New Presentations 166
• 5.3 Use of word processing software package 172
• 5.3.1 Introduction to Word Processing 172
• 5.3.2 Formatting a Document 178
• 5.3.3 Creation of a Simple Table 180
• 5.3.4 Editing a Document 182
• 5.3.5 Printing Documents 183
• 5.4 Use of Spreadsheet Software Package 184
• 5.4.1 Introduction to Microsoft Excel 184
• 5.4.2 Moving Around in a Worksheet 186
• 5.4.3 Editing a Worksheet 189
• 5.4.4 Saving a Worksheet 194
• 5.4.5 Graphing (Creating Charts) 195
• 5.4.6 Printing Worksheets 197
• 5.5 Use of Database Management Software Package 199
• 5.5.1 Introduction to DBMS Software 199
• 5.5.2 Components of a MS Access Database 199
• 5.5.3 Searching Records 205
• 5.5.4 Reports 209
• 5.6 Introduction to Internet & E-mail 215
• 5.6.1 The Internet 215
• 5.6.2 Starting Internet Explorer 219
• 5.6.3 Introduction To E-mail 222
• 5.6.4 Creating an E-mail account using Internet 224

6 Information Technology for National Development 230

• 6.1 National Development 230
• 6.1.1 E-government 230
• 6.1.2 IT for Rural Communities 231
• 6.2 Computer Ethics, Safety, Health Hazard and Laws 321
• 6.2.1 Computer Ethics 231
• 6.2.2 Intellectual Property Rights 232
• 6.2.3 Software and Network Piracy 232
• 6.2.4 Plagiarism 232
• 6.2.5 Computer Viruses 233
• 6.2.6 Health Issues 233
• 6.3 Counseling for Career Development 234
• 6.4 Evaluation of Computer Systems 234

Glossary of Terms 236

 

[pasanlaksiri]

What use with a Larger Sound System like that for General Home Using???

Ah. Do u think this sound system is enoughf for open stage. U cant use SUB WOOFERS for out doors. ( u can use bass bins for out door )

Machan loku watt ganan thibunata uba film ekak ehema balana kota mara sira. U never wanna go to good theaters.

Then y do people use subs for their vehicals? R they extremely nuts?

If u wanna feel the base ( not listening to the base ) u must go for a 10" or big sub.

 

[shanX]

thread eka rubber wela lolzzzz

 

[shanX]

GNS, Who askd for contents of GIT ??

 

[elakirisasika]

When u make posts for Sasika keep this in mind - "Never argue with an idiot. They drag you down to their level, then beat you with experience."

Moo Nam Maha epa Karapu Hota Rathu Mala Girawek

Kata thiyagena inna be

 

[shanX]

Moo Nam Maha epa Karapu Hota Rathu Mala Girawek

Kata thiyagena inna be

Hooo Hooo , aaya maath ekka leda daa ganta epaa

 

[GNS]

GNS, Who askd for contents of GIT ??

If it's not effective 2 U,

than Shut-up...

 

[GNS]

Hooo Hooo , aaya maath ekka leda daa ganta epaa

පෙත්ත බත් කෑවද???

 

[shanX]

If it's not effective 2 U,

than Shut-up...

K, Sir

 

[shanX]

පෙත්ත බත් කෑවද???

Read the thread

 

[GNS]

K, Sir

oya kiwwata kaatawath eeka Effective ne...

 

[GNS]

Read the thread

I can guess what WAS...

sure ekatama uba aroowa chappa karanna athi...

 

[elakirisasika]

Ah. Do u think this sound system is enoughf for open stage. U cant use SUB WOOFERS for out doors. ( u can use bass bins for out door )

Machan loku watt ganan thibunata uba film ekak ehema balana kota mara sira. U never wanna go to good theaters.

Then y do people use subs for their vehicals? R they extremely nuts?

If u wanna feel the base ( not listening to the base ) u must go for a 10" or big sub.

Me 8" ekak madida???????????????

 

[elakirisasika]

Hooo Hooo , aaya maath ekka leda daa ganta epaa

LEDA DAGANNA DEYAK NE OYA THAMAI LEDE