Question

Convert to 8 bit binary and perform integer subtraction on 140-235. Does overflow happen?

Answer #1

**To obtain the 2's complement of a number:
First obtain it's 1's complement( i.e interchanging 0's to 1's and
1's to 0's for it's binary number) & then add 1 to that 1's
complement**

**For Binary addition**

Addition |
Sum |
Carry |

0+0 |
0 |
0 |

0+1 |
1 |
0 |

1+0 |
1 |
0 |

1+1 |
0 |
1 |

**From the above
Result it is having 8-bits only. So there is no overflow
Occurs**

EE 263 Homework Assignment 1
Perform the following conversions:
Convert 51 (decimal) to binary and to hex
Convert 0xD1 (hexadecimal) to binary and to decimal
Convert 0b11001001 (binary) to hex and to decimal
Find the 2’s complement of the following 4-bit numbers
1101
0101
Perform the following 4-bit unsigned operations. For
each, indicate the 4-bit result and the carry bit, and indicate if
the answer is correct or not.
5 + 8
2 + 12
13 – 7
4...

Convert 1101 0001 1100 0011 binary to decimal (value is a 16-bit
integer).
The answer is -11837 but I would like the work to be shown,
please

A). Convert following decimal integers to 8-bit two's complement
binary numbers using any
method . Explain why, If decimal number cannot be represented
with 8 bits.
a. -46 b. -63 c. 118 d. -128 e. 128
B). Perform following operations by converting the decimal
numbers to 8-bit two’s complement
binary. Check results by converting final result to decimal
a. 94-53 b. 15–84

2 Convert each of the following octal numbers to 10-bit binary,
hexadecimal, and decimal. Show your work.
(a) 368
(b) 7568
3 Convert the following binary values into Decimal, Octal and
hexadecimal. Show your work.
(a) 111010101011112
(b) 1010111011001102
(c) 1011101010001112
(d) 1111101011102
4 Convert the following hexadecimal numbers to 16-bit binary and
decimal numbers. Show your work.
(a) FE9816
(b) FCAD16
(c) B00C16
(d) FEDF16
5 Perform the addition on the following unsigned binary numbers.
Indicate whether or not...

Design a 4-bit adder-subtractor circuit using the 4-bit binary
Full adders (74LS83) and any necessary additional logic gates. The
circuit has a mode input bit, M, that controls its operation.
Specifically, when M=0, the circuit becomes a 4-bit adder, and when
M=1, the circuit becomes a 4-bit subtractor that performs the
operation A plus the 2’s complement of B.Where A and B are two
4-bits binary numbers. That is,
* When M=0, we perform A+B, and we assume that
both...

Design a module that can perform a binary-coded decimal
(BCD) addition. You have two 4-bit BCD (decimal digits 0 to 9)
inputs “a” and “b” and an 8-bit output “x” which represents a two
digit BCD number.
X [7:4] represents the upper BCD digits
X [3:0] represents the lower BCD digits
In the Verilog file, please code a BCD adder. It should
follow the following format.
module bcd_adder( a,b,x );
input wire [3:0] a;
input wire [3:0] b;
output reg...

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