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