Mscit Lecture

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					1. 2. 3. 4. 5.

People Data Software Hardware Connectivity

1.

Stand Alone 2. Networking 3. Embedded
 Examples:

Windows

/ Linux Mac O.S.

Unix

 Back

up  Character Map  Computer  Control Panel  Disc clean up  Disc Defragmenter  Internet Explorer  System Information  System Restore  Task Scheduler  Windows Easy Transfer

Parts Of computer:
1. 2. 3. 4.

5.
6. 7. 8. 9. 10.

Cabinet SMPS Mother board Processor RAM Hard Disc DVD R/W K/B & Mouse Speaker Monitor

UNITS
1) WT :- GRAM 2) DIST :- METER 3) CAPACITY :- BYTES 4) SPEED :- HEARTZ 5) TIME :-SECOND

+
1 X 1012
1 X 10 9 1 X 106 1 X 103 (1000)
0

TERA
GIGA MEGA KILO

−

TYPES OF COMPUTER
1)MICRO 2)MINI 3)MAIN FRAME 4)SUPER

+
1 X 10-3 1 X 10-6 1 X 10-9 1 X 10-12

= MILI = MICRO

= NANO
= PICO

−

AC 230V AC
0

1 cycle
1 0 1

50/60 Hz 1 0 1 0 1

bits 0

8 bits = 1 byte = 1 character = 1 digit

 Primary

/Temporary / volatile - RAM  Secondary / Permanent / Non volatile – Hard Disc Drive
 Portable
 Floppy

Memory

– 1.44 MB  Compact Disc – CD - 650 to 950 MB  Digital Versatile Disc – DVD – 4.7 to 17 GB  Blue Ray DVD – 25 to 250 GB

 OUTPUT DEVICES DEVICES  Dispaly  Mouse Mech &  Printer Opticle  Speaker  Keyboard – Rectangular, Flexible, Ergonomic  102 Key’s  Multimedia  Digital Camera  Scanner  INPUT

 DISPLAY

 PRINTER  1.

Film Type  2. CRT – Cathode Ray Tube.  3. LCD – Liquid Crystal Display  HDTV  Plasma

 1.

Drum Roller  2. Dot Matrix  3. Ink / Desk Jet  4. Photo Printer  5. Laser Jet  6. Thermal  7. Photo Plotter

 MEDIA

      

 LAN:  1.


 

1. Copper wire 2. Twisted Pair Wire 3. Co-Axial Cable 4. Data Cable 5. DSL – Digital Subscribers Line 6.Microwave 7. Infra Red 8. Blue Tooth 9. Satellite 10. Cellular 11. Fiber optics

Bus  2. Ring  3. Hierarchical  4. Star  5. Mesh
 DEVICES
    

1. 2. 3. 4. 5.

Modem Bridge Data Switch Hub Routers

 1.

Drawing - Ms Paint, Mahanadi, F-Design  2. Diagram – PageMaker , AutoCAD  3. 3D - Dimensional Diagram - AutoCAD  4. Vector Diagram – AutoCAD, Design Soft  5. Advance Vector Diagram- Auto CAD  6. Imaginary Advance Vector Diagram  7. Imaginary Advance Virtual Diagram - Maya  8. Graphics – C-Graphics, V-C, VB, .NET etc

 Browsers:

Internet Explorer, Netscape Navigator, Mozzila, Firefox .  Search Engines : Meta & Specialized.  1. Google simple  2. Yahoo – Entertainment  3. Rediff – Official  4. Medical.  5. Scintiphic
 URL

: Uniform Resource Locator

 E_Mail

– Electronic Mailing, Plugins, Spam, Virus, Web Auth. Program  E-Banking : Bank A/C , Money Transfer, Plastic Money  E-Business : C= Consumer, B=Business  B2C, B2B, C2B, C2C.


				
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posted:1/20/2010
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