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Q. Characteristics of Magnetic disk?
Tracks and Sectors: Disk is divided in concentric rings known as tracks. Thus a track is one complete rotation of disk underneath read/write head. Every track is subdivided in a number of sectors. Every sector comprises a particular number of bytes or characters. Typical sector capacities are as follows: 128, 256, 512, 1024 and 4096 bytes.
Bad Blocks: Drive maintains an internal table that holds sectors or tracks that can't be read or written to due to surface imperfections. This table is known as bad block table and is created when disk surface is primarily scanned during a low-level format.
Sector Interleave: It signifies the numbering of sectors located in a track. 1 to 1 interleave has sectors numbered serially 0, 1, 2, 3, 4 etc. Disk drive rotates at a fixed speed of 7200 RPM that means there is a fixed time interval between sectors. A slow computer can report a command to read sector 0 storing it in an internal buffer. When it is doing this the drive makes available sector 1 however computer is still busy storing sector 0. So the computer will now have to wait one full revolution till sector 1 becomes available again. Renumbering the sectors such as 0,8,1,9,2,10,3,11 etc gives a 2:1 interleave. It means that sectors are alternated giving the computer a little more time to store sectors internally than previously.
Harvard mark i and the bug The next important effort towards devising an electromechanical computer was done at the harvard University, jointly sponsored by the Department of U
What is the use of urgent pointer in TCP segment? For accommodation out of band signaling, TCP permits the sender to identify data as urgent, implies that the receiving program
Overfitted the data: Moreover notice that as time permitting it is worth giving the training algorithm the benefit of the doubt as more as possible. However that is, the error
Properties: 1. Monetary Value: Monetary value must be backed by either cash, bank - authorized credit cards or bank certified cashier's cheque. 2. Interoperability: E-cash
Q. Set up to Use parallel virtual machine? PVM employs two environment variables when starting and running. Each and every PVM user needs to set these two variables to employ P
Subtraction 11011-11001 using 2's complement. Ans. 11011 - 11001 = A - B 2's complement of B = 00111 1 1 0 1 1 + 0 0 1 1 1 1 0 0 0 1 0 Ignore carry to get answer as 00010 = 2.
The variable that are declared outside all the functions are called The variables that are declared outside every functions are known as global variable.
Problem Solving In Parallel Introduction to Parallel Computing This section examines how a particular task can be broken into minor subtasks and how subtasks can be answer i
shell script to find the factorial of a given number using the for loop
Q. Define Keyword and Identifiers? Keyword: A keyword is a statement which defines nature of that statement. If statement is a directive then keyword would be the title of t
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