1 Complement Theory 2 1s and 2s complement
![1. Complement Theory 2. 1’s and, 2’s complement operation 3. (r-1)’s and r’s complement 1. Complement Theory 2. 1’s and, 2’s complement operation 3. (r-1)’s and r’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-1.jpg)
![1. Complement Theory Example 1 Get 1’s complement of 50 = 00000101 11111010 Complement 1. Complement Theory Example 1 Get 1’s complement of 50 = 00000101 11111010 Complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-2.jpg)
![1’s Complement Arithmetic (ADD/SUB Method) 1. Read both the operands 2. Negative operand(s) (if 1’s Complement Arithmetic (ADD/SUB Method) 1. Read both the operands 2. Negative operand(s) (if](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-3.jpg)
![1. 1’s Complement Theory Example 1 : Subtract 1010 from 1111 using 1’s complement 1. 1’s Complement Theory Example 1 : Subtract 1010 from 1111 using 1’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-4.jpg)
![1. 1’s Complement Theory Example 2 : Subtract 1010 from 1000 using 1’s complement 1. 1’s Complement Theory Example 2 : Subtract 1010 from 1000 using 1’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-5.jpg)
![2’s Complement Arithmetic 1. How to get 2’s complement form 2. Arithmetic operation using 2’s Complement Arithmetic 1. How to get 2’s complement form 2. Arithmetic operation using](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-6.jpg)
![2’s Complement Arithmetic (How to get 2’s complement form. . ? ) Example 1 2’s Complement Arithmetic (How to get 2’s complement form. . ? ) Example 1](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-7.jpg)
![2’s Complement Arithmetic (Method) 1. Read both the operands 2. Negative operand (if any) 2’s Complement Arithmetic (Method) 1. Read both the operands 2. Negative operand (if any)](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-8.jpg)
![POS + NEG → POS Answer Take the 2’s complement of the negative number POS + NEG → POS Answer Take the 2’s complement of the negative number](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-9.jpg)
![POS + NEG → NEG Answer Take the 2’s complement of the negative number POS + NEG → NEG Answer Take the 2’s complement of the negative number](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-10.jpg)
![Verify the logic using following combinations: 1: (10) –(01) 2: (10) –(02) 3: (10) Verify the logic using following combinations: 1: (10) –(01) 2: (10) –(02) 3: (10)](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-11.jpg)
![2’s Complement Arithmetic (Examples) A+B B 2’s of B Addition A=10 B=-1 0001 1110 2’s Complement Arithmetic (Examples) A+B B 2’s of B Addition A=10 B=-1 0001 1110](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-12.jpg)
![Example: Perform 2’s complement subtraction on 210 -08 201= 1 1 0 1 0 Example: Perform 2’s complement subtraction on 210 -08 201= 1 1 0 1 0](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-13.jpg)
![2’s Complement Arithmetic (Examples on varying number of bits) Example: Perform 2’s complement arithmetic 2’s Complement Arithmetic (Examples on varying number of bits) Example: Perform 2’s complement arithmetic](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-14.jpg)
![Example: Perform 2’s complement arithmetic for (30)-(50) using: 1: 6 -bit number system 2: Example: Perform 2’s complement arithmetic for (30)-(50) using: 1: 6 -bit number system 2:](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-15.jpg)
![(r-1)’s and r’s complement Example of decimal number system So r becomes 10’s complement (r-1)’s and r’s complement Example of decimal number system So r becomes 10’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-16.jpg)
![How to get (r-1)’s complement of decimal number…? How do we get (r-1)’s complement How to get (r-1)’s complement of decimal number…? How do we get (r-1)’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-17.jpg)
![9’s Complement Arithmetic Example 1: Get 9’s complement of following numbers 99 -19 999 9’s Complement Arithmetic Example 1: Get 9’s complement of following numbers 99 -19 999](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-18.jpg)
![9’s Complement Arithmetic Example 1: Perform subtraction using 9’s complement on the data set 9’s Complement Arithmetic Example 1: Perform subtraction using 9’s complement on the data set](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-19.jpg)
![9’s Complement Arithmetic Example 2: Perform 9’s complement subtraction on the data set given 9’s Complement Arithmetic Example 2: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-20.jpg)
![9’s Complement Arithmetic Example 3: Perform 9’s complement subtraction on the data set given 9’s Complement Arithmetic Example 3: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-21.jpg)
![9’s Complement Arithmetic Example 4: Perform 9’s complement subtraction on the data set given 9’s Complement Arithmetic Example 4: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-22.jpg)
![10’s Complement Arithmetic Example 1: Perform 10’s complement subtraction on the data set given 10’s Complement Arithmetic Example 1: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-23.jpg)
![10’s Complement Arithmetic Example 2: Perform 10’s complement subtraction on the data set given 10’s Complement Arithmetic Example 2: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-24.jpg)
![10’s Complement Arithmetic Example 3: Perform 10’s complement subtraction on the data set given 10’s Complement Arithmetic Example 3: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-25.jpg)
![BCD Arithmetic BCD Arithmetic](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-26.jpg)
![Binary Codes 1. Weighted Codes (8421, 5421) 2. Non Weighted codes (Excess-3 , BCD, Binary Codes 1. Weighted Codes (8421, 5421) 2. Non Weighted codes (Excess-3 , BCD,](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-27.jpg)
![1: Weighted Codes: Weighted binary codes are those binary codes which obey the positional 1: Weighted Codes: Weighted binary codes are those binary codes which obey the positional](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-28.jpg)
![2: Non-Weighted Codes: 2. 1: Excess-3 is a non-weighted coding method. With excess-3, we 2: Non-Weighted Codes: 2. 1: Excess-3 is a non-weighted coding method. With excess-3, we](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-29.jpg)
![2: Non-Weighted Codes: 2. 3: Gray Codes: It is also called as Reflected Binary 2: Non-Weighted Codes: 2. 3: Gray Codes: It is also called as Reflected Binary](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-30.jpg)
![2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4. 2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4.](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-31.jpg)
![2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4. 2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4.](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-32.jpg)
![2: Code Conversion: Converting Gray Codes to Binary codes Method: 1. Copy MSB of 2: Code Conversion: Converting Gray Codes to Binary codes Method: 1. Copy MSB of](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-33.jpg)
![BCD Arithmetic: Example 1: (83) +(11) =(94) Example 2: (83) +(18) =(101) 83 11 BCD Arithmetic: Example 1: (83) +(11) =(94) Example 2: (83) +(18) =(101) 83 11](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-34.jpg)
- Slides: 34
![1 Complement Theory 2 1s and 2s complement operation 3 r1s and rs complement 1. Complement Theory 2. 1’s and, 2’s complement operation 3. (r-1)’s and r’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-1.jpg)
1. Complement Theory 2. 1’s and, 2’s complement operation 3. (r-1)’s and r’s complement 4. 9’s and, 10’s complement operation 5. Binary Codes (BCD Arithematic) 6. Weighted Codes 7. Error Processing Codes 8. Alphanumeric codes. 1
![1 Complement Theory Example 1 Get 1s complement of 50 00000101 11111010 Complement 1. Complement Theory Example 1 Get 1’s complement of 50 = 00000101 11111010 Complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-2.jpg)
1. Complement Theory Example 1 Get 1’s complement of 50 = 00000101 11111010 Complement Digits 2
![1s Complement Arithmetic ADDSUB Method 1 Read both the operands 2 Negative operands if 1’s Complement Arithmetic (ADD/SUB Method) 1. Read both the operands 2. Negative operand(s) (if](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-3.jpg)
1’s Complement Arithmetic (ADD/SUB Method) 1. Read both the operands 2. Negative operand(s) (if any) is converted into 1’s complement form 3. Add both the numbers 4. If carry is generated (i. e. =1) then the resultant number is positive. 5. Add ONE to the output of setp 4, to get the final answer. 6. If carry is not generated then the answer is Negative and available in 1’s complement form. 7. Convert output of step 6 into 1’s complement to get final answer. 3
![1 1s Complement Theory Example 1 Subtract 1010 from 1111 using 1s complement 1. 1’s Complement Theory Example 1 : Subtract 1010 from 1111 using 1’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-4.jpg)
1. 1’s Complement Theory Example 1 : Subtract 1010 from 1111 using 1’s complement theory. (15 -10 Small negative) 1 0 1’s complement 1 1 + 0 1 0 1 1] 0 1 0 0 + 0 0 0 1 0 1 =(5) Carry “ 1” means the answer is positive. 4
![1 1s Complement Theory Example 2 Subtract 1010 from 1000 using 1s complement 1. 1’s Complement Theory Example 2 : Subtract 1010 from 1000 using 1’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-5.jpg)
1. 1’s Complement Theory Example 2 : Subtract 1010 from 1000 using 1’s complement theory. (Large negative 8 -10) 1 0 1’s complement 1 0 0 0 + 0 1 0 1 0] 1 1 0 1 Carry “ 0” means the answer is negative and available in 1’s complement form. 1 1 0 0 1 0 = (2) 5
![2s Complement Arithmetic 1 How to get 2s complement form 2 Arithmetic operation using 2’s Complement Arithmetic 1. How to get 2’s complement form 2. Arithmetic operation using](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-6.jpg)
2’s Complement Arithmetic 1. How to get 2’s complement form 2. Arithmetic operation using 2’s complement theory 6
![2s Complement Arithmetic How to get 2s complement form Example 1 2’s Complement Arithmetic (How to get 2’s complement form. . ? ) Example 1](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-7.jpg)
2’s Complement Arithmetic (How to get 2’s complement form. . ? ) Example 1 5 = 00000101 11111010 +1 -5 = 11111011 Complement Digits Add 1 Example 2 -13 = 11110011 00001100 +1 13 = 00001101 Complement Digits Add 1 7
![2s Complement Arithmetic Method 1 Read both the operands 2 Negative operand if any 2’s Complement Arithmetic (Method) 1. Read both the operands 2. Negative operand (if any)](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-8.jpg)
2’s Complement Arithmetic (Method) 1. Read both the operands 2. Negative operand (if any) is converted into 2’s complement form 3. Add both the numbers (2’s complement of negative operand with the other one). 4. If carry is generated (i. e. =1) then the resultant number is positive and in original form 5. If carry is not generated(when we have negative operand) then the carry is assumed =0. 6. Carry zero means the resultant number is negative and in a 2’s complement form. 7. Convert the 2’s complement form into the original form. 8
![POS NEG POS Answer Take the 2s complement of the negative number POS + NEG → POS Answer Take the 2’s complement of the negative number](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-9.jpg)
POS + NEG → POS Answer Take the 2’s complement of the negative number and use regular binary 8 -bit addition. 9 + (-5) 4 00001001 + 11111011 100000100 Last Bit = 1: Answer is Positive Disregard 9 th Bit 00000101 11111010 +1 11111011 2’s Complement Process 9
![POS NEG NEG Answer Take the 2s complement of the negative number POS + NEG → NEG Answer Take the 2’s complement of the negative number](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-10.jpg)
POS + NEG → NEG Answer Take the 2’s complement of the negative number and use regular 8 -bit binary addition. (-9) + 5 -4 11110111 + 00000101 011111100 Last Bit = 0: Answer is Negative. Discard the last bit To Check: Perform 2’s Complement On Answer 11111100 00000011 +1 00000100 00001001 11110110 +1 11110111 2’s Complement Process 10
![Verify the logic using following combinations 1 10 01 2 10 02 3 10 Verify the logic using following combinations: 1: (10) –(01) 2: (10) –(02) 3: (10)](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-11.jpg)
Verify the logic using following combinations: 1: (10) –(01) 2: (10) –(02) 3: (10) –(05) 4: (10) –(08) 5: (10) –(09) 6: (10) –(10) 7: (210) –(08) 8: (120) –(55) 9: (52) –(18)
![2s Complement Arithmetic Examples AB B 2s of B Addition A10 B1 0001 1110 2’s Complement Arithmetic (Examples) A+B B 2’s of B Addition A=10 B=-1 0001 1110](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-12.jpg)
2’s Complement Arithmetic (Examples) A+B B 2’s of B Addition A=10 B=-1 0001 1110 0001 1111 1010 1111 11001 B=-2 0010 1101 0001 1110 1010 11000 B=-5 0101 1010 0001 1010 1011 10101 0111 0001 1000 1010 10010 B=-8 A 1010 1000 Ans CY =1 So ans is +ve +9 +8 +5 CY =1 So ans is +ve +2 CY =1 So ans is +ve B=-9 1001 0110 0001 0111 1010 0111 1 0 0 0 1 CY =1 So ans is +ve +1 B=-10 1010 0101 0001 0110 1010 0110 1 0 0 CY =1 So ans is +ve +0 12
![Example Perform 2s complement subtraction on 210 08 201 1 1 0 1 0 Example: Perform 2’s complement subtraction on 210 -08 201= 1 1 0 1 0](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-13.jpg)
Example: Perform 2’s complement subtraction on 210 -08 201= 1 1 0 1 0 0 1 0 8= 0 0 1 0 0 0 2’s complement of 8 is = 1 1 1 0 0 0 Add both the numbers: 1 1 0 0 1 0 +1 1 1 0 0 0 1 1 1 0 0 1 0 Carry = 1 means and is positive +202
![2s Complement Arithmetic Examples on varying number of bits Example Perform 2s complement arithmetic 2’s Complement Arithmetic (Examples on varying number of bits) Example: Perform 2’s complement arithmetic](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-14.jpg)
2’s Complement Arithmetic (Examples on varying number of bits) Example: Perform 2’s complement arithmetic for (30)-(50) using 1: 6 -bit number system 2: 8 -bit number system 14
![Example Perform 2s complement arithmetic for 3050 using 1 6 bit number system 2 Example: Perform 2’s complement arithmetic for (30)-(50) using: 1: 6 -bit number system 2:](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-15.jpg)
Example: Perform 2’s complement arithmetic for (30)-(50) using: 1: 6 -bit number system 2: 8 -bit number system (30)= 0 1 1 0 (-50)= 1 1 0 0 1 0 Add both the numbers 2’s complement 0 0 1 1 000001 001110 011110 001110 0101100 Carry =0 means number is negative and in 2’s compl form 010011 000001 0 1 0 0 = -20 (30)= 0 0 0 1 1 0 (-50)= 0 0 1 1 0 0 1 0 2’s complement 1 1 0 0 1 1 00000001 11001110 Add both the numbers 00011110 110011101100 Carry =0 means number is negative and in 2’s compl form 00010011 00000001 0 0 0 1 0 0 = -20
![r1s and rs complement Example of decimal number system So r becomes 10s complement (r-1)’s and r’s complement Example of decimal number system So r becomes 10’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-16.jpg)
(r-1)’s and r’s complement Example of decimal number system So r becomes 10’s complement And (r-1) becomes 9’s complement
![How to get r1s complement of decimal number How do we get r1s complement How to get (r-1)’s complement of decimal number…? How do we get (r-1)’s complement](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-17.jpg)
How to get (r-1)’s complement of decimal number…? How do we get (r-1)’s complement …? (r-1)′s i. e. 9’s complement of decimal number can be obtained by ((10 n - 1)-number) where n represents the number of digits in given number. Example 1: Find 9’s complement of (1234)10 9′s complement = (104 -1)-1234 = 9999 -1234 = 8765 How do we get (r)’s complement …? r's i. e. 10’s complement can be obtained by (10 n – number) where n represents the number of digits in given number. Example 2: Find 10′s complement = 104 -1234 = 8766. We will move to subtraction using them. Remember always the number to be subtracted (negative number) is converted to 9′s or 10′s complement.
![9s Complement Arithmetic Example 1 Get 9s complement of following numbers 99 19 999 9’s Complement Arithmetic Example 1: Get 9’s complement of following numbers 99 -19 999](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-18.jpg)
9’s Complement Arithmetic Example 1: Get 9’s complement of following numbers 99 -19 999 -146 9999 -4397 80 853 5602 (19)10 , (146)10, (4397)10 18
![9s Complement Arithmetic Example 1 Perform subtraction using 9s complement on the data set 9’s Complement Arithmetic Example 1: Perform subtraction using 9’s complement on the data set](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-19.jpg)
9’s Complement Arithmetic Example 1: Perform subtraction using 9’s complement on the data set given below. a: 18 -06, b: 39 -23 c: 34 -49 d: 49 -84 06 is negative number, We will get 9’s complement of 06 9 9 - 0 6 We will ADD 93 and 18 9 3 + 1 8 A carry is generated means answer is +ve ADD the carry back to the sum “ 11”. 1 1 + 1 1 1 1 2 9 3 Try for (018) – (006) 19
![9s Complement Arithmetic Example 2 Perform 9s complement subtraction on the data set given 9’s Complement Arithmetic Example 2: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-20.jpg)
9’s Complement Arithmetic Example 2: Perform 9’s complement subtraction on the data set given below. a: 18 -06, b: 39 -23 c: 34 -49 d: 49 -84 23 is negative number, We will get 9’s complement of 23 9 9 - 2 3 We will ADD 76 and 39 7 6 + 3 9 A carry is generated. ADD the carry back to the sum “ 15”. 1 5 + 1 1 1 5 1 6 7 6 Try for 039 -023 20
![9s Complement Arithmetic Example 3 Perform 9s complement subtraction on the data set given 9’s Complement Arithmetic Example 3: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-21.jpg)
9’s Complement Arithmetic Example 3: Perform 9’s complement subtraction on the data set given below. a: 18 -06, b: 39 -23 c: 34 -49 d: 49 -84 49 is negative number, We will get 9’s complement of 49 9 9 - 4 9 We will ADD 50 and 34 5 0 + 3 4 0 8 4 5 0 A carry is not generated that means answer is Negative. Get 9’s complement of 84 9 9 _ 8 4 1 5 Answer is -15 Try for 034 -049 21
![9s Complement Arithmetic Example 4 Perform 9s complement subtraction on the data set given 9’s Complement Arithmetic Example 4: Perform 9’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-22.jpg)
9’s Complement Arithmetic Example 4: Perform 9’s complement subtraction on the data set given below. a: 18 -06, b: 39 -23 c: 34 -49 d: 49 -84 84 is negative number, We will get 9’s complement of 84 9 9 - 8 4 We will ADD 15 and 49 4 9 + 1 5 0 6 4 1 5 A carry is not generated that means answer is Negative. Get 9’s complement of 64 9 9 _ 6 4 3 5 Answer is -35 Try for 049 -084 22
![10s Complement Arithmetic Example 1 Perform 10s complement subtraction on the data set given 10’s Complement Arithmetic Example 1: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-23.jpg)
10’s Complement Arithmetic Example 1: Perform 10’s complement subtraction on the data set given below. a: 24 -09, b: 69 -32 c: 265 -347 09 is negative number, We will get 10’s complement of 09 9 9 - 0 9 We will ADD 91 and 24 2 4 + 9 1 1 1 5 9 0 + 0 1 A carry is generated that means answer is Positive. Answer is +15 9 1 Try for 024 -009 23
![10s Complement Arithmetic Example 2 Perform 10s complement subtraction on the data set given 10’s Complement Arithmetic Example 2: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-24.jpg)
10’s Complement Arithmetic Example 2: Perform 10’s complement subtraction on the data set given below. a: 24 -09, b: 69 -32 c: 265 -347 32 is negative number, We will get 10’s complement of 32 9 9 - 3 2 We will ADD 68 and 69 6 8 + 6 9 1 3 7 6 7 + 0 1 A carry is generated that means answer is Positive. Answer is +37 6 8 Try for 069 -032 24
![10s Complement Arithmetic Example 3 Perform 10s complement subtraction on the data set given 10’s Complement Arithmetic Example 3: Perform 10’s complement subtraction on the data set given](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-25.jpg)
10’s Complement Arithmetic Example 3: Perform 10’s complement subtraction on the data set given below. a: 24 -09, b: 69 -32 c: 265 -347 347 is negative number, We will get 10’s complement of 347 9 9 9 - 3 4 7 We will ADD 653 and 265 653 + 265 A carry is not generated that means answer is Negative and in 10’s complement form. 0 918 Get 10’s complement form of 918 6 5 2 + 0 1 9 9 9 -9 1 8 6 5 3 0 8 1 +0 0 1 0 8 2 Ans = -82 Try for 0265 -0347 25
![BCD Arithmetic BCD Arithmetic](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-26.jpg)
BCD Arithmetic
![Binary Codes 1 Weighted Codes 8421 5421 2 Non Weighted codes Excess3 BCD Binary Codes 1. Weighted Codes (8421, 5421) 2. Non Weighted codes (Excess-3 , BCD,](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-27.jpg)
Binary Codes 1. Weighted Codes (8421, 5421) 2. Non Weighted codes (Excess-3 , BCD, Gray/Reflected codes) 3. Error Processing Codes (PARITY Bits, Hamming Codes) 4. Alphanumeric Codes (ASCII, EBCDIC)
![1 Weighted Codes Weighted binary codes are those binary codes which obey the positional 1: Weighted Codes: Weighted binary codes are those binary codes which obey the positional](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-28.jpg)
1: Weighted Codes: Weighted binary codes are those binary codes which obey the positional weight principle. Each position of the number represents a specific weight. 5421 8421 0000 0 0 0101 5 5 0100 4 4 0010 2 2 0001 1 1 0111 7 7 1111 12 15
![2 NonWeighted Codes 2 1 Excess3 is a nonweighted coding method With excess3 we 2: Non-Weighted Codes: 2. 1: Excess-3 is a non-weighted coding method. With excess-3, we](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-29.jpg)
2: Non-Weighted Codes: 2. 1: Excess-3 is a non-weighted coding method. With excess-3, we add 3 to a decimal number before converting it to binary. Example: (0001)2 = (0100)Excess-3 (0010)2 = (0101)Excess-3 2. 2: BCD (Binary Coded Decimals) is a non-weighted coding method. Individual decimal digits are converted into equivalent binary bits. Example: (321)2 = (0011 0010 0000)BCD (000)2 = (0000)BCD (80)2 = (1000 0000)BCD (00)2 = (0000)BCD
![2 NonWeighted Codes 2 3 Gray Codes It is also called as Reflected Binary 2: Non-Weighted Codes: 2. 3: Gray Codes: It is also called as Reflected Binary](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-30.jpg)
2: Non-Weighted Codes: 2. 3: Gray Codes: It is also called as Reflected Binary codes. It is generated via getting mirror image of given data. 0 0 Example : 4 bit Gray codes. 0 0 0 1 1 0 0 1 1 1 0 1 0 0 1 1 1 1 1 0 0 1 1 0
![2 Code Conversion Converting Binary Codes to Gray codes Method 1 2 3 4 2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4.](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-31.jpg)
2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4. Copy MSB of Binary code to MSB of Gray code. Add MSB of Binary with Next MSB of Binary to get next Gray code. Discard the carry Repeat the same process till we get the LSB Example: Convert (0001)2 into Gray code. 0 0+0= 0 0 0 0 1 0+1= 1 1
![2 Code Conversion Converting Binary Codes to Gray codes Method 1 2 3 4 2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4.](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-32.jpg)
2: Code Conversion: Converting Binary Codes to Gray codes Method: 1. 2. 3. 4. Copy MSB of Binary code to MSB of Gray code. Add MSB of Binary with Next MSB of Binary to get next Gray code. Discard the carry Repeat the same process till we get the LSB Example: Convert (1011)2 into Gray code. 1 0 1 1+0= 1 0+1= 1 1 1+1= 0 0
![2 Code Conversion Converting Gray Codes to Binary codes Method 1 Copy MSB of 2: Code Conversion: Converting Gray Codes to Binary codes Method: 1. Copy MSB of](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-33.jpg)
2: Code Conversion: Converting Gray Codes to Binary codes Method: 1. Copy MSB of Gray code to MSB of Binary code. 2. If next bit of Gray code is “ 1”, then invert the present binary bit as next bit. 3. If next bit of Gray code is “ 0” then copy the present binary bit as next bit. Example: Convert (1011) gray into Binary code. 1 0 1 1
![BCD Arithmetic Example 1 83 11 94 Example 2 83 18 101 83 11 BCD Arithmetic: Example 1: (83) +(11) =(94) Example 2: (83) +(18) =(101) 83 11](https://slidetodoc.com/presentation_image/4b60cacf8cfd49967ad016c44ce97322/image-34.jpg)
BCD Arithmetic: Example 1: (83) +(11) =(94) Example 2: (83) +(18) =(101) 83 11 1000 0011 1001 1 0 0 = (94) 1000 0011 0001 1000 1010 11011 0110 10000 1
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