Wednesday, October 7, 2009

Blog 3

Question 1.

a. 1011. Decimal= 11. Hexadecimal= B.
b. 10101. Decimal= 21.
c. 10010110. Decimal= 150.
d. 1111111. Decimal= 127.

Question 2.

a. 8. Binary= 1000. Hexadecimal= 8.
b. 63. Binary= 1000001.Hexadecimal= 3f.
c. 113. Binary= 1110001. Hexadecimal= 71.
d. 97. Binary= 1100001. Hexadecimal= 61.

Question 3.

a. 200 MB * (8Mb/MB) * (128kb/1Mb) * (sec/56kb)= 1871.24 sec
b.200 MB * (8Mb/MB) * (sec/5Mb)= 320 sec
c. 200 MB * (8Mb/MB) * sec/10Mb)= 160 sec

Question 4.

60MB*(8Mb/1MB)*(sec/3Mb)= 480/3= 160 sec.

2.5 min/ MB

60 min * (MB/2.5)= 24 MB/ hr

(24 MB/hr)*(24 hr/day)*(30 days/month)= 17280 MB/month.

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