Saturday, 6 June 2015

Q49,Paper 2,d13 How much space will be required to store the bit map of a 1.3 GB disk with 512 bytes block size ?



(A) 332.8 KB
(B) 83.6 KB
(C) 266.2 KB
(D) 256.6 K
 Answer A
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2 comments:

  1. Unknown26 June 2018 at 12:46

    anyone solve this question please

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  2. historicaljourneyforyou29 June 2018 at 20:12

    block size=2^9bytes (512 bytes)

    disk size=1.3*2^30bytes (1.3 GB)

    no. of bits =1.3*2^30/2^9=1.3 * 2^21 bits
    1.3 * 2 * Mb = 2.6 Mb = 2.6 * 1024 / 8 KB = 332.8 KB.

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