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Q. Explain about hard drives?
Disks are generally mounted on a disk drive which comprises of an arm and a shaft along with electronic circuitry for read-write of data. Disk rotates along with shaft. A non-removable disk is permanently mounted on disk drive. One of most significant illustration of a non-removable disk is hard disk of PC. Disk is a platter coated with magnetic particles. Early drives were large. Later on smaller hard (rigid) disk drivers were created with fixed and removable pack. Every pack held about 30MB of data and became called as the Winchester drive. Storage capacity of today's Winchester disks is typically of order of a few tens of Megabytes to a few Gigabytes. Most Winchester drives have subsequent common aspects:
(a) An Open Disk Casing
(b) Tracks and Cylinders
Figure: The Hard Disk
Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.
Level of a node The root is at level zero and the level of the node is 1 more than the level of its parent
Explain the Optimization of data access paths Optimization is a very significant aspect of any design. The designer must do the followings for optimization: i) Add redundan
Q. What do you mean by Video Memory ? As declared before video memory is also entitled framebuffer since it buffers video frames to be displayed. The quality of a video display
Explain the life cycle of a process Each procedure has a life cycle, which consists of execution, creation and termination phases of the procedure. A method may create severa
A COCOMO model is :- COCOMO:- Constructive Cost Estimation Model.
Objects, messages, class, inheritance and polymorphism are the major concepts of object orientation.
Specify the goals of parsing. Goals: a. To check the validity of source string b. To agree on the syntactic structure of a source string. For invalid string this rep
for division of two number
1. Detail for each of the four following MIPS instructions, which actions are being taken at each of their five steps. Do not forget to mention how and during which steps each inst
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