E-Discovery terms starting with H

26 terms

  1. Hacker Someone who breaks into computer systems in order to steal, change or destroy information.
  2. Half Duplex Transmission systems which can send and receive, but not at the same time.
  3. Halftone See Dithering.
  4. Hard Disc Drive The primary storage unit on PCs, consisting of one or more magnetic media platters on which digital data can be written and erased magnetically.
  5. Hard disk A magnetic disk on which data can be stored.
  6. Hard Drive The primary storage unit on PCs, consisting of one or more magnetic media platters on which digital data can be written and erased magnetically.
  7. Hard Drives The primary computer storage medium in desktop and laptop computers.
  8. Harvesting The process of retrieving or collecting electronic data from storage media or devices; an EDiscovery vendor harvests electronic data from computer hard…
  9. Hash A mathematical algorithm that represents a unique value for a given set of data, similar to a digital fingerprint.
  10. Hash Coding To create a digital fingerprint that represents the binary content of a file unique to every electronically-generated document; assists in subsequently…
  11. Hash Function A function used to create a hash value from binary input. The hash is substantially smaller than the text itself, and is generated by the hash function in…
  12. HD (High Density) A 5.25 HD Floppy Disc holds 1.2 MB and a 3.5 holds 1.4 MB.
  13. Head The upper horizontal part of a window frame or window opening.
  14. hexadecimal A number system with a base of 16. The digits are 0-9 and A-F, where F equals the decimal value of 15.
  15. Hidden Files or Data Files or data not visible in the file directory; cannot be accessed by unauthorized or unsophisticated users.
  16. Hierarchical Storage Management (HSM) Software that automatically migrates files from on-line to near-line storage media, usually on the basis of the age or frequency of use of the files.
  17. Hold Used to indicate that a certain amount of a customer's balance may not be withdrawn until an item has been collected, or until a specific check or debit…
  18. Holorith encoded data on aperture cards or old-style punch cards that contained encoded data.
  19. Horizontal De-duplication A way to identify documents that are duplicated across multiple custodians or other production data sets. See De-Duplication.
  20. host In a network, the central computer which controls the remote computers and holds the central databases.
  21. HP-PCL & HPGL Hewlett-Packard graphics file formats.
  22. HTML (Hypertext Markup Language) The tag-based ASCII language used to create pages on the Web.
  23. HTTP (HyperText Transfer Protocol) The underlying protocol used by the World Wide Web. HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers…
  24. Hub A network device that connects multiple computers/peripherals together and allows them to share data.
  25. hyperlink A link - usually appearing as a highlighted word or picture within a hypertext document - that when clicked changes the active view, possibly to another…
  26. HyperText Text that includes links or shortcuts to other documents or views, allowing the reader to easily jump from one view to a related view in a non-linear…