Addressing Modes
Lecture 7: Addressing Modes
395 Questions320 MCQs71 Short Questions4 Long Questions
Showing 281 – 290 of 395 Questions
Page 29 of 40
Q281❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
When executing the OUT assembly instruction to send data to an I/O port, which register serves as the required source operand?
Q282❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
In 8088 CPU memory addressing, the Code Segment (CS) base register is implicitly associated by default with which offset register?
Q283❓ MCQ📑 Lec 2Medium⭐High-Yield💡Conceptual
If 'BB' is the OPCODE for moving a 16-bit constant into the AX register, what is the hexadecimal byte representation in memory (using Little-Endian notation) for the instruction 'MOV AX, 336' (where 336 decimal = 0x0150 hex)?
Q284❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
In x86 assembly language, the CX register is normally utilized as a:
Q285❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
All memory addressing mechanisms in iAPX88 architecture compute and return an offset value called the:
Q286❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
In 8088 microprocessor architecture, index registers (such as SI and DI) are primarily used to store:
Q287❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
The individual bits of which register work independently and individually as 1-bit status indicators or control switches?
Q288❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
In 8088 assembly language, the CX register is primarily designated as the:
Q289❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
True or False: The OUT instruction uses the accumulator register (AL or AX) as its compulsory source operand when sending data to an I/O port.
Q290❓ MCQ📑 Lec 2Easy🔁Repeated⭐High-Yield💡Conceptual
Processor registers are high-speed internal storage locations that temporarily hold intermediate calculation results. Registers are also commonly referred to as: