Microprocessor In order to complement the lower nibble of accumulator one can use XRI 0FH CMA ANI 0FH ORI 0FH XRI 0FH CMA ANI 0FH ORI 0FH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because It facilitates the user storing 16-bit data temporarily It has to fetch two 8-bit data at a time There are 16 address lines It counts 16-bits at a time It facilitates the user storing 16-bit data temporarily It has to fetch two 8-bit data at a time There are 16 address lines It counts 16-bits at a time ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor may be made to exit from HALT state by asserting A or B or HOLD line RESTART READY line any of the five interrupt lines A or B or HOLD line RESTART READY line any of the five interrupt lines ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8259 8257 8279 8275 8259 8257 8279 8275 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 64. 16. 128. 32. 64. 16. 128. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. Both A & R are true but R is not the correct explanation of A . A is false but R is true. Both A & R are true and R is the correct explanation of A. A is true but R is false. Both A & R are true but R is not the correct explanation of A . A is false but R is true. Both A & R are true and R is the correct explanation of A. A is true but R is false. ANSWER DOWNLOAD EXAMIANS APP