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DVD-ROM employs same principle as a CD-ROM for reading and writing. However a smaller wavelength laser beam is used. Total capacity of DVD-ROM is 8.5GB. In double-sided DVD-ROM two these disks are stuck back to back that allows recording on both sides. This requires disk to be reversed to read reverse side. With both side recording and with each side storing 8.5GB total capacity is 17GB.
In both DVD-ROMs and CD-ROMs the density of data stored is constant throughout spiral track. In order to attain a constant readout rate the disk should rotate faster near centre and slower at outer tracks to maintain a constant linear velocity (CLV) between head and CD-ROM/DVD-ROM platter. So CLV disks are rotated at variable speed. Compare it with mechanism of constant angular velocity (CAV) in which disk is rotated at a constant speed. So in CAV the density of information storage on outside sectors is low.
Concept of Temporal Parallelism In order to describe what is meant by parallelism inherent in the answer of a problem, let us talk about an example of submission of electricity
? Nodes: A node shows any hardware component. The configuration of hardware is shown by attributes of nodes. ? Components: A component shows software. Every component straight
The search-based tools initially recognize problem and afterwards suitably give advice on how to correct it. AT Expert from Cray Research is one of the tools being employed for
Q. Explain about FAT - Inode? Today modern PC comprises total capacity of nearly 40GB for storage of program and data Due to this huge capacity in place of having just one oper
What are the attributes of a field that can be activated or deactivated during runtime? Input, Output, Mandatory, Active, Highlighted, Invisible.
Decision Trees: Visualize you only ever do four things at the weekend such as go shopping or watch a movie or play tennis and just stay in. In such case what you do depends on
System Software 1. Explain language processing? Explain its activities in detail. 2. Discuss briefly about Assembler directives. Also explain about Macro definition and call
How can we set the table spaces and extent sizes? You can state the extent sizes and the table space (physical storage area in the database) in which a transparent table is to
Minimize the logic function F(A, B, C, D) = ∑ m(1,3,5,8,9,11,15) + d(2,13) using K-maps Ans. The logic function minimization of F(A, B, C, D) = ∑ m(1,3,5,8,9,11.15) + d(2,13) by
Illustrates several names of popular internet browsers? Popular Internet Browsers are: Internet Explorer, Netscape Navigator and Mosaic, Google chrome and Mozilla and Opera.
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