Why must the multiplicand be stored in a 32-bit variable or register pair during extended precision multiplication in 16-bit 8088 assembly language?
Ch 11: Real-Time Interrupts & Timer Programming
Technical study of timer channels, programming PIT control word registers (port 0x43), divisor calculations (1193180 / frequency), hooking timer tick interrupt 08h, and rendering on-screen digital clocks.
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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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Page 13 of 18
True or False: The STOS (Store String) instruction is commonly used to clear a block of memory or fill a memory buffer with a constant value.
In string processing instructions, the direction of index movement (SI/DI) is governed by which flag in the FLAGS register?
The MOVS (Move String) instruction is used to perform which operation on a memory block?
Reduction in overall program code size and improvement in execution speed were the two main reasons block processing instructions were introduced in which processor?
The SCAS (Scan String) instruction compares a byte or word in register AL or AX with the destination string element addressed by ES:DI and updates which processor register?
True or False: The primary purpose of the MOVS instruction is to move data from a memory location directly into a general-purpose CPU register.
How many basic block processing (string) instructions exist in the 8088 instruction set?
In 8088 assembly language, which specific category of instructions permits transferring data directly from one memory location to another memory location?
After the execution of a MOVS (Move String) instruction, which of the following registers are automatically updated?