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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 operating system in our PC partitions are used to offer many separate areas within one disk each one treated as a separate storage device. Which means a disk partition is a sub-division of the disk in one or more areas. Every partition can be used to hold a different OS. Computer system boots from active partition and software provided permits the user to select that which partition is active one.
For illustration we can run both Linux and Windows operating systems from same storage of the PC.
A new magnetic disk is only platters of a magnetic recording material. Before a disk can store data it should be divided in sectors that disk controller can read and write. This is known as low level formatting. Low level formatting fills disk with a special data structure for every sector that comprises a header, a data area, and a trailer. Low level formatting is placing track and sector information in addition of bad block tables and other timing information on disks. Sector interleave can be specified too at this time.
How many 128 × 8 RAM chips are required to provide a memory capacity of 2048 bytes. Ans. Available here RAM chips = 128 x 8 Required the memory capacity = 2048 x 8 No. of chip
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Discuss two main approaches to identify free memory area in a heap. Two popular systems to identify free memory areas as a result of allocation and de-allocations in a heap are
Which of the fastest logic: TTL, ECL, CMOS and LSI ? Ans. The fastest logic family of all logic families ECL. High speeds are possible in ECL since the transistors a
How many bits must be decoded for chip select? What is the size of decoder when 128 × 8 RAM chips are required to provide a memory capacity of 2048 bytes? Ans. All higher order l
The alignment of a type 'c' field in a report is? ? Left Aligned.
What is memory controller? A memory controller is a circuit which is interposed among the processor and the dynamic memory. It is used for performing multiplexing of address bi
Why address bus is unidirectional and data bus is bidirectional? Ans) Because there is no require address transaction among processor and peripheral device but data bus is req
Determine about the Radio Frequency (RFID) This method includes using small electronic devices containing an Identification microchip and antenna; they work in a similar way
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