Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 16. 128. 64. 32. 16. 128. 64. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to complement the lower nibble of accumulator one can use CMA XRI 0FH ANI 0FH ORI 0FH CMA XRI 0FH ANI 0FH ORI 0FH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor What is mean by ALU Arithmetic logic unit Arithmetic logic unsigned Arithmetic local unsigned Arithmetic logic upgrade Arithmetic logic unit Arithmetic logic unsigned Arithmetic local unsigned Arithmetic logic upgrade ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to memory data register. transferred to memory address register . transferred to address bus. incremented by one. transferred to memory data register. transferred to memory address register . transferred to address bus. incremented by one. ANSWER DOWNLOAD EXAMIANS APP