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Explained RAID?
Ans: High performance devices tend to be costly. So we can gain very high performance at a reasonable cost using a number of low-cost devices operating in parallel. It is known RAID( Redundant array of Inexpensive Disks).
Explain data stripping?
Ans: A single big file is stored in various separate disk units by breaking the file up into a number of smaller pieces and storing these pieces on different disks. It is called data stripping.
Define the process of organized data in the disk?
Ans: Each surface is divided into concentric tracks, and each track is divided into sectors. The set of equivalent tracks on all surfaces of a stack of disks forms a logical cylinder. The data are accessed using read/write head.
Q. Shared-memory programming model? In shared-memory programming model tasks share a common address space that they read and write asynchronously. Several mechanisms like semap
what is picket fence problem?
Q. Define Logical data as operand data type? Every word or byte is treated like a single unit of data. Whenever an n-bit data unit is considered as comprising n 1-bit items of
Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
In a national transmission system, the characteristic impedances of the 4-wire circuit and the 2-wire circuit are 1200 ? and 1000 ? respectively. The average phase velocity of the
Let us review the operation of the stack within the 68HC11, the stack is a defined area of RAM which is last in first out register (LIFO) . Access to the stack is made via a stack
explain push and pop?
Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
different locking techniques
EPROM contents can be erased by exposing it to ? Ans. By exposing EPROM contents to Ultraviolet rays, it can be erased. The Ultraviolet (UV) light passes throughout a window i
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