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9th Class Computer Science Notes in English-Chapter-4

9th Class Computer Science Notes in English-Chapter-4

  1. Difference between CD-R and CD-RW
  2. Differentiate main memory and secondary memory.
  3. Differentiate Bit and Byte.
  4. Write differences between Static Ram and Dynamic Ram.
  5. What is Sequential Access?
  6. Write uses of Hard Disk.
  7. How data is organized on storage devices.
  8. How data is organized in magnetic tape?
  9. Define seek time
  10. Write differences between RAM and ROM.
  11. Convert 1 Gigabytes into bytes.
  12. Define Compact Disk.
  13. Define magnetic disk.
  14. What is Disk Drive?
  15. What is a magnetic tape?
  16. Why DRAM consumes more power?
  17. Is RAM a read-write memory? explain.

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