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Home Assignment No-1
Subject: Digital Logic Design Marks: 100
Issue: 14 Feb 2012
Due on: 22 Feb 2012
Note: (10:00 AM)
Attempt the given problem set in a sequential order. Be neat and clean and
show complete work.
Make an index on the front page showing summary of the problems solved
along-with page numbers and also specify the missing ones.
No late submissions will be accepted unless a prior approval from the teacher
has been obtained in advance with extreme genuine reasons. The
assignments submitted after due date/time will be graded zero.
University has zero tolerance for plagiarism and serious penalties apply. All
assignments found mutually copied will be marked zero and such recurrence
will result in award of zero out of total assignment weight age.
All the students will submit a certificate with the assignment work stating the
originality of their efforts and no copying from others.
Note that Ten Marks are reserved for neat work, table of contents, and
certificate to be attached with the assignment work.
Problem No-1 Convert the following numbers from the given base to the indicated
bases in the table:
Decimal Binary Octal Hexadec
369.3125 ? ? ?
? 10111101.101 ? ?
? ? 326.5 ?
? ? ? F3C7.A
Problem No-2 a. The following calculation was performed by a particular breed of
unusually intelligent chicken. If the radix r used by the chicken
corresponds to its total number of tows, how many toes does the
chicken have on each foot?
((35)r+(24)r)×(21)r = (1501)r
b. Write the last three digits of your registration number in the
following codes:-
i. 8,4,2,1(BCD)
ii. 5,3,2,1
iii. Excess-3
iv. Gray
v. 8,4,-2,-1
Problem No-3 Given the two unsigned numbers X=375.510 and Y=645.68:
a. Perform subtraction X-Y and Y-X using 1’s complement.
b. Convert your answer in hexadecimal.
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