Which group of instructions allows changing specific processor behaviors, clearing or setting flags, and controlling CPU operations?
Ch 02: 16-Bit Segmented Memory Model & Addressing Modes
Deep dive into 16-bit real mode memory segmentation (CS, DS, SS, ES), pointer/index registers (SP, BP, SI, DI), and calculating effective physical addresses across memory boundaries.
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.
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Which registers serve as the dedicated index registers in the Intel iAPX88 architecture for holding data offset addresses during memory access?
In the Intel iAPX88 architecture, which special register contains the memory offset address of the next instruction to be executed?
Which 8088 processor register is bit-wise significant, meaning each of its individual bits is named and evaluated separately?
Is the following statement true or false: 'For Intel Architecture, assembly instructions are written in the format operation destination, source'?
What is the maximum physical memory address space that an Intel iAPX88 (8088) CPU can directly reference?
The maximum physical memory that an Intel iAPX88 (8088) CPU can access is 1 MB, which is referenced using an address bus width of __________.
In 8088 assembly, an absolute 20-bit address such as 0x1DED0 where machine opcode bytes (e.g., B8 05 00) reside in RAM is called a __________ address.
To convert 16-bit Segment and Offset addresses into a 20-bit Physical Address, the Segment Address shifted left by 4 bits (adding zero in lower nibble) is added to the Offset Address with zero padded in its __________ nibble.
When adding 20-bit addresses, if a carry out of 20 bits is generated, it is dropped without altering CPU flags. This phenomenon is called address __________.