# A-level Accretion Processing and Programming Techniques Data Representation in Computers Questions

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21 June 13:59   This page contains questions to abetment the clairvoyant in compassionate the advance material. These questions should not be taken as an adumbration of assay quesions, and the clairvoyant should create advertence to antecedent exams to get an idae of these.
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#Convert the afterward bases to their agnate hexadecimal values
##8 dec
##10 dec
##16 dec
##0001 bin
##0101 bin
##1111 bin
##1010 1011 bin
##128 dec
##7485 dec
##1010 1111 0000 1011 1110 bin
#Convert the afterward hexadecimal ethics to the accustomed base
##E - decimal
##E3 - binary
##73 - decimal
##BEE5 - binary
##BEEF - decimal
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#What are the denary ethics of the afterward twos accompaniment numbers?
##0001 1011
##1111 1111
##0111 1101
##1001 1001
##1011 1000
#Convert the afterward numbers into abrogating numbers accounting in binary
##0000 0001
##0110 0000
##0111 1111
##12 (denary)
##67 (denary)
#Find the answers to the afterward sums in binary, appearance your working
##0110 1100 - 0000 0111
##0001 1111 - 0001 0011
##0111 0111 - 0101 1011
##23 (hex) - 1F (hex)
##0001 0010 - 1111 1101
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#What are the ethics of the afterward numbers area there are 4 decimal credibility afore the decimal point?
##00111000
##01010111
##01101100
##EF
##10010011
##11001101 (number is a twos accompaniment number)
#What are the ethics of the afterward 16 bit amphibian point numbers, area the backer is 6 bits
##0111 0100 1100 1110
##0110 0000 0011 1010
##1011 1100 0100 0001
##1110 0000 0011 1101
#Normalise the afterward 16 bit amphibian point numbers, area the backer is 6 bits
##0011 0000 0000 0001
##0001 1100 0000 1110
##1101 0110 0100 0010
##1111 0111 1111 1001
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