Microprocessor Inintel 8085A microprocessor ALE signal is made high to Enable the data bus to be used as low order address bus To disable data bus To latch data D0-D7 from data bus To achieve all the functions listed above Enable the data bus to be used as low order address bus To disable data bus To latch data D0-D7 from data bus To achieve all the functions listed above ANSWER DOWNLOAD EXAMIANS APP
Microprocessor SPHL instruction copies the content of H-L register pair to the _________. D-E PSW B-C Stack Pointer D-E PSW B-C Stack Pointer ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following interrupt/interrupts is/are only level triggering? RST 6.5 both ‘a’ and ‘b’ RST 5.5 TRAP RST 6.5 both ‘a’ and ‘b’ RST 5.5 TRAP ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system I/O ports are used to interface the I/P device only all the I/O devices the O/P devices only the I/O devices and memory chips the I/P device only all the I/O devices the O/P devices only the I/O devices and memory chips ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The ROM programmed during manufacturing process itself is called MROM EEPROM EPROM PROM MROM EEPROM EPROM PROM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt ANSWER DOWNLOAD EXAMIANS APP