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319.

Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit serial manner in a sector. The capacity of the disk pack and the number of bits required to specify a particular sector in the disk are respectively: [1 mark]
(A) 256 Mbyte, 19 bits
(B) 256 Mbyte, 28 bits
(C) 512 Mbyte, 20 bits
(D) 64 Gbyte, 28 bits

asked in Computer Science And Engineering, 2007

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320.

Consider a 4-way set associative cache consisting of 128 lines with a line size of 64 words. The CPU generates a 20-bit address of a word in main memory. The number of bits in the TAG, LINE and WORD fields are respectively: [1 mark]
(A) 9, 6, 5
(B) 7, 7, 6
(C) 7, 5, 8
(D) 9, 5, 6

asked in Computer Science And Engineering, 2007

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321.

Consider the following Boolean function of four variables:
f (w, x, y, z) = ∑(1,3,4,6,9,11,12,14)
The function is: [1 mark]
(A) independent of one variables.
(B) independent of two variables.
(C) independent of three variables.
(D) dependent on all the variables.

asked in Computer Science And Engineering, 2007

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322.

How many 3-to-8 line decoders with an enable input are needed to construct a 6- to-64 line decoder without using any other logic gates? [1 mark]
(A) 7
(B) 8
(C) 9
(D) 10

asked in Computer Science And Engineering, 2007

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323.

Which of the following is TRUE? [1 mark]
(A) Every subset of a regular set is regular.
(B) Every finite subset of a non-regular set is regular.
(C) The union of two non-regular sets is not regular.
(D) Infinite union of finite sets is regular.

asked in Computer Science And Engineering, 2007

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324.

Which of the following problems is undecidable? [1 mark]
(A) Membership problem for CFGs.
(B) Ambiguity problem for CFGs.
(C) Finiteness problem for FSAs.
(D) Equivalence problem for FSAs.

asked in Computer Science And Engineering, 2007

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