Computer Organisation Part 2
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Computer Organisation by Mukesh Upadhyay from Lachoo Memorial College Jodhpur
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Computer Organisation Part 2
- 1. MAGNETIC DRUM Target Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 3. Memory hierarchy Beauty Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 6. DVD rom
- 7. hard diskKrishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 8. CD ROM Multi Tasking Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 9. CD ROM 52x Max DVD ROM 16x Max CD WRITER 52x/32x/52x DVD WRITER 52x/16x/16x/52x Here , x is equivalent to (In CD ROM) 150 kbps (In DVD ROM) 1350kbps 1.38Mbps (according to “DIGIT”) A x B x C Write Rewrite Read Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 10. About CD’ & DVDs’ CD Capacity 640 MB 700 MB Note : Mbps Mega bits per second MBps :Mega bytes per second DVD Capacity DVD – 5 4.7 GB S S S L DVD – 9 8.5 GB S S D L DVD – 10 9.4 GB D S S L DVD – 18 17 GB D S D L Some Standards : Redbook [ Only Audio ] Yellow Book [ Only Audio and Data ] Orange Book [ Mixed (Audio + Video +Data)] Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 13. harD disk ZENITH Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 16. Video display unit Clarity Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 17. Focusing Anode Control Grid e- beam Heater Illuminated spot Pre - Accelerating Anode Cathode Anode ( > 10KV ) Neck of CRT VEDIO DISPLAY UNIT OR DEFALUT OUTPUT DEVICE OR MONITOR CRT : VISUALIZATION CONTROL CIRCUIT : GENERATING SIGNAL(CONTROLLED BY CPU) Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 18. Focusing Anode - + e- e- + - e- - + e- + - sameripples and oppositeattracts - Raster Scan Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 19. Printer Symmetric Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 20. B Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 21. IMPACT PRINTER 80 character per line &132 character per line Dot Matrix Printer (DMP) dps : Dot per second cps :character per second spring Head (9 pins) : 9X1 pins . . . . . . 9 X 5 pins required for one character Head (24 pins) : 8X3 pins . . . . . . 8 X 3 pins required for one character Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 22. A Daisy Wheel : (plastic daisy) (Flower available in America) Due to plastic character Mechanism used in Electronic Typewriter Note : 128 character Fonts are Fixed Speed is Slow 1 character destroyed full replacement is required Average Seek time is 64 skips Krishna Kumar Bohra (KKB), MCA LMCST www.selectall.wordpress.com
- 23. Ccontd…