Post on 16-Apr-2017
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Computer Fandamentals
Shifat ahmed Bsc(cse) ,MCSE.CCNA(security)
Computer F andamen tals
Compute Computer
“Electronic device for strong, analyzing and producing information, for making calculations, or controlling machines”
Input Output Processing
Parts of Computer :
(Monitor Central Processing Unit -CPU
1.
2.
3.
4.
Key Board Mouse)
Computer Organization
Computer Organization
Input Device Central Processing
Unit (CPU)
Memory Output Device
Type of Computer
Digital Computer
Analog Computer
Digital Computer
Input Output
1.
2.
3.
4.
Super Computer
Mainframe Computer
Mini Computer Micro
Computer
Memory
1. Main Memory
RAM ROM
Main Memory Axilury Memory
Memory
Memory
2. Auxiliary Memory
Main Memory
Auxiliary Memory
Characteristic of Computer
Diligence Endless Life
RAM
RAM
Bureau of Statistics
History of Computer
Abacus
Charles Babbage Analytical
Software
MS-DOS UNIX WINDOWS
Application Software
Bit & Byte
Bit Byte byte KB KB MB
MB GB GB TB
KB = Kilobyte
MB = Megabyte
GB = Gigabyte
TB = Terabyte
Number System
Hieroglyphics
Mayan Roman
Decimal Number System Binary Number System
Octal Number System Hexadecimal Number
System
Decimal Number System
base
Binary Number System
Octal Number System
base
Hexadecimal Number System
Base
Decimal Binary Octal Hexadecimal 0 00 0 0 1 01 1 1 2 10 2 2 3 11 3 3 4 100 4 4 5 101 5 5 6 110 6 6 7 111 7 7 8 1000 10 8 9 1001 11 9 10 1010 12 A 11 1011 13 B 12 1100 14 C
13 1101 15 D 14 1110 16 E 15 1111 17 F 17 10000 20 10 18 10001 21 11 19 10010 22 12 20 10011 23 13 21 10100 24 14 22 10101 25 15 23 10110 26 16 24 10111 27 17 25 11000 30 18 26 11001 31 19 27 11010 32 1A 28 11011 33 1B 29 11100 34 1C 30 11101 35 1D 31 11110 36 1E 32 11111 37 1F 33 100000 40 20 34 100001 41 21 35 100010 42 22 36 100011 43 23 37 100100 44 24 38 100101 45 25
Decimal to Binary Conversion
(110010)2 = ? (110010)2 = 0 × 20 + 1 × + 0 ×22 + 0 × 24 + 1 × 25 23 + 1 ×
0 + 0 + 16 + 32 21
= 0 + 2 + = 50 = (43)10 (110010)2 = 1 × 2 5 + 1 × 24 + 0 ×2
3 + 0 × 22 + 1 × 21 + 0 ×
= 32 + 16 + 0 + 0 + 2 + 0
20
= 50
= (43)10 110010 50
(372)8 = 81 80 3 × 82 + 7 × = 3 × 64 + 7 = = 372
+ 2 × × 8 + 2 × 1
192 + 56 + 2 (250)10
250
84 83 82 81 80 8-1 8-2 8-3 8-4 8-5
9AF
(9AF)16 = 9 × (16)2 + A × (16)1 + F × (16)0
= 9× 256 + 10 × 16 + 15 × 1 = =
2304 + 160 + 15 (2479)10
9AF
Internet
History of Internet
Internet International Network ©|
LAN, MAN, WAN, ISDN
Soikot.nsu@gmail.com E-mail @
E-mail User-name User
Internet Address
IP Address 198.105.232.4
Geographic Region
Organization Geographic Region
Specific Computer
Domain name www.microsoft.com
Indicate Web server computer Organization
Organiza tion Type
E-mail Address
Soikot.nsu@hmail.com
FIG : The for Microsoft IP Address and associated domain name Corporation
Domain Address
.com Business .mil Military
.edu College and Universities .net Network Administrator
.gov Government .org Organizations
.int International Organization
General Computing Knowledge Abbreviation
Interchange American American Arithmetic
Standard Code for Information National Standard Institute. Logic Unit Basic Input Output System
Beginners All-purpose Bangladesh Computer Bangladesh Computer
Symbolic Instruction Code Somity Council
AI ATM ASCII ANSI ALU BIOS BASIC BCS BCC CPM
: Artificial Intelligence : Automated Tailor Machine : : : : : : : :
Control Programme for Microprocessor
Microsoft Word
What is Microsoft Word or MS Word? Software Microsoft Word
Compose Word Processing Software- Type, Drawing, Project Profile
MS Word
Corporation Software Microsoft MS Word
Microsof Microsoft Word
Word * About Version of Microsoft Word. Microsoft Word Version Version
Microsoft Word 6.0 Microsoft Word 7.0 Microsoft Word 97 Microsoft Word 2000 Microsoft Word XP Microsoft Word XP
Microsoft Word
Microsoft Word or MS Word
MS Word
Document Text
Project Profile
Drawing
Compose Type
Keyboard
MS Word on Curso Cursor (Character j press Back Space. Cursor Character) press Delete press Space Bar. Capital Letter Shift dhaka
= Dhaka. Capital Letter press Caps Lock. press Enter. Tab Key press Cursor
press End Key.
press Home Key. Text Control + Home Key. Text Control + End Key.
Page Page Up Key. Page Num Lock Key
Page Down Key.
Number Off On Insert Key press
: A, B, C, D ...........Z
: F1, F2, F3, F4 .........F12 : , , ,
: Home, Insert, End, Pause Break, Page Up, Page
1. Alphabetic key Numeric key
3. Function key 4. Movement key 5. Special key
Down etc. Command key : Alt (Alter), Ctrl (Control), SH (Shift)
Microsoft Word
* Screen
Title Bar Menu Bar
Standard Bar Formatting Bar
Ruler/Scale
Scroll Box
Scroll Bar Drawing Bar Status Bar
Task Bar
Microsoft Excel
Microsoft Excel Microsoft Office Microsoft Excel
Worksheet Spreadsheet
Analysis Spreadsheet
Marksheet Microsoft Word
Excel Row
A, B, C, D Column)
1, 2, 3, 4
Excel Microsoft Excel
Excel Balance Sheet
Accounting Package ProgramI
PowerPoint
Microsoft PowerPoint
** What is Microsoft PowerPoint? Microsoft Office Microsoft
Microsoft PowerPoint Corporation Windows
95/98/2000/XP Gi Supported Presentation Package Program
Microsoft PowerPoint Presentation Package Program Presentation Display
Microsoft PowerPoint
Microsoft PowerPoint
Presentation Display
1) File
2)New Slide
Dialog Box
3) OK
Access Microsoft Access
Microsoft Access Microsoft Office Microsoft Access
Access
Access SQL ORACLE
Access
DATABASE
Access Data,
Record, Field
Thank you Contact:
GOOGLE: itzsoikot
Maill:soikot.nsu@gmail.com