Microprocessor At the beginning of a fetch cycle, the contents of the program counter are incremented by one. transferred to memory address register . transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . transferred to address bus. transferred to memory data register. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct? 1,2 & 4 2,3&4 1,3 &4 1,2 & 3 1,2 & 4 2,3&4 1,3 &4 1,2 & 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to complement the lower nibble of accumulator one can use ANI 0FH ORI 0FH CMA XRI 0FH ANI 0FH ORI 0FH CMA XRI 0FH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between microprocessor and memory memory and I/O none microprocessor and I/O microprocessor and memory memory and I/O none microprocessor and I/O ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as Control bus Address bus Memory bus DMA bus Control bus Address bus Memory bus DMA bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ‘Burst refresh’ in DRAM is also called Distributed refresh Concentrated refresh None of these Hidden refresh Distributed refresh Concentrated refresh None of these Hidden refresh ANSWER DOWNLOAD EXAMIANS APP