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Questions and Answers
Which type of instructions are included in the 8086 instruction set?
Which type of instructions are included in the 8086 instruction set?
- 8085 instructions and additional string instructions
- Only string instructions
- 8085 instructions and new operations such as multiplication and division (correct)
- Only 8085 instructions
How many different instructions are there in the 8086 instruction set?
How many different instructions are there in the 8086 instruction set?
- Approximately 117 (correct)
- About 500
- Less than 100
- Exactly 300
Do the 8086 instructions allow memory to memory operations?
Do the 8086 instructions allow memory to memory operations?
- No, for any of the instructions
- No, except for string instructions (correct)
- Yes, for all instructions
- Yes, but only for specific instructions
In what section of the text are the addressing modes of the 8086 discussed?
In what section of the text are the addressing modes of the 8086 discussed?
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How can the data addressing modes of a processor be classified?
How can the data addressing modes of a processor be classified?
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Study Notes
8086 Instruction Set
- The 8086 instruction set includes arithmetic, logical, control flow, and data transfer instructions.
Instruction Set Characteristics
- There are 71 different instructions in the 8086 instruction set.
Memory Operations
- The 8086 instructions do not allow memory-to-memory operations, requiring data to be moved through registers.
Text Organization
- The addressing modes of the 8086 are discussed in the section on addressing modes.
Data Addressing Modes
- Data addressing modes can be classified into register, immediate, and memory addressing modes.
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Description
Test your knowledge of the 8086 instruction set which includes equivalents of the 8085 instructions and many new ones. Topics include signed/unsigned multiplication and division, bit manipulation instructions, string instructions, interrupt instructions, and more.
