Microprocessor How many 16-bit special purpose registers are present in 8085 microprocessor? 2 6 8 16 2 6 8 16 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8257 8255 8251 8155 8257 8255 8251 8155 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The execution of RST n instruction causes the stack pointer to increment by two None of these decrement by two remain unaffected increment by two None of these decrement by two remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are incremented by one. transferred to address bus. transferred to memory address register . transferred to memory data register. incremented by one. transferred to address bus. transferred to memory address register . transferred to memory data register. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because There are 16 address lines It has to fetch two 8-bit data at a time It facilitates the user storing 16-bit data temporarily It counts 16-bits at a time There are 16 address lines It has to fetch two 8-bit data at a time It facilitates the user storing 16-bit data temporarily It counts 16-bits at a time ANSWER DOWNLOAD EXAMIANS APP
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 achieve all the functions listed above To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus To disable data bus To achieve all the functions listed above To latch data D0-D7 from data bus ANSWER DOWNLOAD EXAMIANS APP