Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller? SRAM, EPROM & PORTS EPROM & PORTS SRAM & USART EPROM, USART & PORTS SRAM, EPROM & PORTS EPROM & PORTS SRAM & USART EPROM, USART & PORTS ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for microprocessor direct memory access for the user None of these direct memory access for the I/O device direct memory access for microprocessor direct memory access for the user None of these direct memory access for the I/O device ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location 2001H and 2002H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2001H and 2000H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively 2001H and 2002H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2001H and 2000H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to complement the lower nibble of accumulator one can use ANI 0FH ORI 0FH XRI 0FH CMA ANI 0FH ORI 0FH XRI 0FH CMA ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. PSW Stack Pointer D-E B-C PSW Stack Pointer D-E B-C ANSWER DOWNLOAD EXAMIANS APP