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Q. Illustration of disk formatting?
An illustration of disk formatting is displayed in Figure below. In this case every track comprises 30 fixed-length sectors of 600 bytes each. Every sector holds 512 bytes of data and control information useful to disk controller. ID field is a unique identifier or address used to place a particular sector. SYNC byte is a special bit pattern which set the limits of the beginning of field. The track number recognizes a track on a surface. Head number identifies a head since this disk has many surfaces. ID and data fields each one comprise an error-detecting code.
Figure: A typical Track Format for Winchester Disk
time to left (TTL) in transport layer
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Q. What is Memory Interleaving? In this scheme main memory is splitted in 'n' equal-size modules and CPU has separate Memory Base register and Memory Address Register for every
What is the type of Process Identifiers? Identification of the real user Identification of the effective user Identification of the real group Identification
Explain Sequential Sharing In this sharing method, a file can be shared by just one program at a time, i.e. file accesses by P1 and P2 are spaced out over time. A lock field ca
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Define the Half Duplex Transmission A half-duplex channel can receive andsend, but not at the same time. It's like a one-lane bridge where two-way traffic should give way in
Common channel signalling in SS7 is (A) out band control channel. (B) In band control channel. (C) Speech control channel. (D) None of the above. Ans:
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