Microprocessor Identify the programmable interval timer from the following 8275 8252 8279 8253 8275 8252 8279 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The timing difference between a slow memory and fast processor can be resolved if Neither A nor B External buffer is used Either A or B Processor is capable of waiting Neither A nor B External buffer is used Either A or B Processor is capable of waiting ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor holds the address of the top of the stack counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor holds the address of the top of the stack counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor ANSWER DOWNLOAD EXAMIANS APP
Microprocessor _____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. EI RIM SIM DI EI RIM SIM DI ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are 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. transferred to memory data register. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH A POP PSW PUSH PSW PUSH SP PUSH A POP PSW PUSH PSW PUSH SP ANSWER DOWNLOAD EXAMIANS APP