Computer Organisation Part 2

686 views
634 views

Published on

Computer Organisation by Mukesh Upadhyay from Lachoo Memorial College Jodhpur

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
686
On SlideShare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
43
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Computer Organisation Part 2

  1. 1. MAGNETIC DRUM<br />Target<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  2. 2.
  3. 3. Memory hierarchy<br />Beauty<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  4. 4.
  5. 5. Opticaldrives<br />Speed<br /><ul><li> cd rom
  6. 6. DVD rom
  7. 7. hard disk</li></ul>Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  8. 8. CD ROM<br />Multi Tasking<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  9. 9. CD ROM 52x Max<br />DVD ROM 16x Max<br />CD WRITER 52x/32x/52x<br />DVD WRITER 52x/16x/16x/52x<br />Here , x is equivalent to (In CD ROM) 150 kbps<br /> (In DVD ROM) 1350kbps<br /> 1.38Mbps (according to “DIGIT”) <br />A x B x C<br />Write<br />Rewrite<br />Read<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  10. 10. About CD’ & DVDs’<br />CD Capacity<br /> 640 MB<br /> 700 MB<br />Note :<br />Mbps Mega bits per second<br />MBps :Mega bytes per second<br />DVD Capacity <br /> DVD – 5 4.7 GB S S S L<br /> DVD – 9 8.5 GB S S D L<br /> DVD – 10 9.4 GB D S S L<br /> DVD – 18 17 GB D S D L<br />Some Standards :<br /> Redbook [ Only Audio ]<br /> Yellow Book [ Only Audio and Data ]<br /> Orange Book [ Mixed (Audio + Video +Data)]<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  11. 11.
  12. 12.
  13. 13. harD disk <br />ZENITH<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  14. 14.
  15. 15.
  16. 16. Video display unit<br />Clarity <br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  17. 17. Focusing <br />Anode<br />Control Grid<br />e- beam<br />Heater<br />Illuminated<br />spot<br />Pre - Accelerating Anode<br />Cathode<br />Anode<br />( &gt; 10KV )<br />Neck of CRT<br />VEDIO DISPLAY UNIT OR<br />DEFALUT OUTPUT DEVICE OR<br />MONITOR<br />CRT : VISUALIZATION<br />CONTROL CIRCUIT : GENERATING SIGNAL(CONTROLLED BY CPU)<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  18. 18. Focusing Anode<br />-<br />+<br />e-<br />e-<br />+<br />-<br />e-<br />-<br />+<br />e-<br />+<br />-<br />sameripples and oppositeattracts<br /> - Raster Scan<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  19. 19. Printer<br />Symmetric <br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  20. 20. B<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  21. 21. IMPACT PRINTER<br />80 character per line &132 character per line<br />Dot Matrix Printer (DMP)<br />dps : Dot per second<br />cps :character per second<br />spring<br /> Head (9 pins) :<br />9X1<br />pins<br />. . .<br />. . . <br />9 X 5 pins required for one character<br /> Head (24 pins) :<br />8X3<br />pins<br />. . .<br />. . .<br />8 X 3 pins required for one character<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  22. 22. A<br />Daisy Wheel :<br />(plastic daisy)<br />(Flower available in America)<br />Due to plastic character<br />Mechanism used in Electronic Typewriter<br />Note :<br />128 character<br />Fonts are Fixed<br />Speed is Slow<br />1 character destroyed full replacement is required<br />Average Seek time is 64 skips<br />Krishna Kumar Bohra (KKB), MCA LMCST<br />www.selectall.wordpress.com<br />
  23. 23. Ccontd…<br />

×