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Questions and Answers
What does the ADD instruction do in assembly language programming?
What does the ADD instruction do in assembly language programming?
What is an immediate operand in the context of assembly programming?
What is an immediate operand in the context of assembly programming?
What is the maximum value that 8-bit registers can hold?
What is the maximum value that 8-bit registers can hold?
How can addition of larger numbers be performed in 8086 assembly language programming?
How can addition of larger numbers be performed in 8086 assembly language programming?
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What happens when the following assembly code is executed: 'ADD CH,24H' and 'CH,11H'?
What happens when the following assembly code is executed: 'ADD CH,24H' and 'CH,11H'?
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Study Notes
Assembly Language Instructions
- The ADD instruction in assembly language programming adds the operand to the destination operand, modifying the flags accordingly.
Immediate Operands
- An immediate operand in assembly programming is a constant value used as an operand in an instruction.
Register Capacity
- 8-bit registers can hold a maximum value of 255 (in decimal) or FFH (in hexadecimal).
Adding Larger Numbers
- To perform addition of larger numbers in 8086 assembly language programming, the carry flag (CF) is used to store the overflow from the lower 8 bits of the result.
Executing Assembly Code
- When the assembly code 'ADD CH,24H' is executed, the value 24H is added to the contents of the CH register.
- When the assembly code 'ADD CH,11H' is executed, the value 11H is added to the contents of the CH register, with the result stored in the CH register.
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Description
Test your knowledge of 8086 microprocessors and assembly programming with this quiz. Assess your understanding of program segments, instruction mnemonics, and operand examples.
