Hard Disk Drive Hardware tree High Memory Area High Performance File System (HPFS) HiPack IDE Interrupt request (IRQ) Kernel List of Lists Logical block addressing (LBA) Magnetic Disk Magnetic Drum Magnetic Storage Magnetic Tape Mass Storage Megabyte Memory



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Hard Disk: A rigid metal platter coated with a magnetizable substance. Contrast with floppy drive.

Hard Disk Drive: the device used to transfer data to and from a hard disk.

Hardware tree: The hierarchical representation of all the buses and devices on a computer.

High Memory Area: The first 65520 bytes (64K less 16 bytes) of extended memory. This area is accessible from real mode on the 80286 and higher processors because these processors do not wrap addresses at one megabyte as the 8088 and 8086 do.

High Performance File System (HPFS): An OS/2 file system that allows long file names.

HiPack: A file and folder compression format.

IDE: Integrated Drive Electronics, The most common interfaces popular today for PC hard disks.

Interrupt: An asynchronous operating condition that disrupts normal execution and transfers control to an interrupt handler. Interrupts are usually initiated by I/O devices requiring service from the processor.

Interrupt request (IRQ): A method by which a device can request to be serviced by the device’s software driver. The system board uses a programmable interrupt controller to monitor the priority of the requests from all devices.

Kernel: One of three core components in Windows 98. It provides base operating system functionality, including file I/O services, virtual memory management, and task scheduling.

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List of Lists: An internal DOS table of lists and other tables through which most DOS-internal data structures may be reached.

Logical block addressing (LBA): A method of accessing hard disk drives based on the extensions of INT 13.

Magnetic Disk: A flat circular plate with a magnetic surface on which data can be stored by selective magnetization of portions of the curved surface.

Magnetic Drum: A circular plate with a magnetic surface on which data can be stored by selective magnetization of portions of the curved surface.

Magnetic Storage: Utilizing the magnetic properties of materials to store data on such devices and media as disks, tapes, and chips.

Magnetic Tape: A plastic tape with a magnetic surface on which data can be stored by selective magnetization of portions of the surface.

Mass Storage: Secondary storage devices with extra large storage capacities such as magnetic or optical disks.

Megabyte: One million bytes. More accurately, 2 to the 20th power or 1,048,576 in decimal notation.

Memory: Same as storage.

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi

Data Recovery with & without Programming

Publishers of the Book
Number of Pages
ISBN
Price of the Book

BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)