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(a) How does a data cache take advantage of spatial locality? Give an suitable example.
(b) What are the basic differences between a write-allocate and no-write-allocate policy in a cache?
(c) With the help of a fully labeled diagram, distinguish between direct and related mapping in cache memory?
(d) One example of a semiconductor memory is the DRAM
(i) Describe why a 16 Mbit DRAM chip is better being organised as compared a (2048 x 2048) x 4-bit array instead of 1M of 16 bit words.
(ii) Show a typical block diagram of the array, showing the row and column buffer blocks, refresh circuitry amongst others.
(iii) Approximately how many transistors and capacitors are required to construct a 4 MB DRAM?
(e) Describe two reasons why SRAM could be better than DRAM.
(f) Briefly explain how a multiple platter hard disk works.
Determine the advantages of BCD Adder Now let us see the arithmetic addition of two decimal digits in the BCD, with a possible carry from previous stage. As each input digit do
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They are of two types. They are big endian and little endian. Memory is separated into two bank, 1:even bank 2:odd bank.
Program 'preemption' is? Ans. Forced de allocation of the CPU from a program that is executing on the CPU is called preemption program.
Explain the key characteristics of mobile computing applications
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Conversion of fractional number 0.6875 into its equivalent binary number ? Ans. Multiply the fractional number 0.6875 with 2 until the remainder becomes 0 that is, Ther
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