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Khoa
KH & KTMT
©2012, CE Department
Khoa
KH & KTMT
Bmôn KThut Máy Tính
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Tài liu tham kho
Digital Systems, Principles and Applications”,
8th/5th Edition, R.J. Tocci, Prentice Hall
Digital Logic Design Principles”, N.
Balabanian & B. Carlson
John Wiley &
Logic Design 1 ©2012, CE Department
Balabanian & B. Carlson
John Wiley &
Sons Inc., 2004
2
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Các
phép toán
Các
phép toán
mch s hc
©2012, CE Department
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Phép cng nh phân
Phép cng (Addition) phép toán quan trng nht
trong các hthng s
Phép tr(Subtraction), phép nhân (multiplication) phép
chia (division)đưc hin thc bng cách sdng phép
cng
Lut cơbn: 0+0=0
1+0=1
1+1=10 =0+carry of 1 into next position
1+1+1=11 =1+carry of 1 into next position
d
Logic Design 1 ©2012, CE Department 4
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Biu din s có du (1)
Bit du (sign bit)
0: dương (positive) 1: âm (negative)
Lưng s(magnitude)
Hthng sign-magnitude
Logic Design 1 ©2012, CE Department 5