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Explain the difference between overflow and a carry

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Signed Numbers, Strings, and Tables

Section - Signed Number Arithmetic Operations

1. In an 8-bit operand, bit ___ is used for the sign but, whereas in a 16-bit operand, bit ___ is used for the sign bit.

2. Convert 16H to its 2's complement.

3. The range of byte-sized signed operands is ____ to _____. The range of word--sized signed operands is ______ to _______.

4. Explain the difference between overflow and a carry.

5. Explain the purpose of the CBW and CWD instructions. Demonstrate the effect of CBW on AL=F6H. Demonstrate the effect of CWD on AX=124CH

6. The instruction for signed multiplication is ________. The instruction for signed division is ________.

7. Explain the difference between the SHR and SAR instructions.

8. For each of the following instructions, indicate the flag condition necessary for each jump to occur
a. JLE
b. JG

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In this section we have studied the signed and unsigned arithmetic operations, and instructions related to arithmetic operations. 2 ' complement operation, CBW, CWB, and other instructions has been discussed. In this chapter 8 bit 16 bit operand has been discussed as well as how sign of the digit can be identified that has been and learned in this lesson. In short coding and decoding of signed and unsigned arithmetic operations has been discussed in this chapter with examples.

Reference no: EM131559223

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