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 In microprocessor based system DMA refers to direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following interrupt/interrupts is/are only level triggering? RST 5.5 TRAP RST 6.5 both ‘a’ and ‘b’ RST 5.5 TRAP RST 6.5 both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between T4 & T1 T2 & T3 T1 & T2 T3 & T4 T4 & T1 T2 & T3 T1 & T2 T3 & T4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock. A is true but R is false A is false but R is true Both A & R are true and R is the correct explanation of A Both A & R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Both A & R are true and R is the correct explanation of A Both A & R are true but R is not the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8255 8251 8257 8155 8255 8251 8257 8155 ANSWER DOWNLOAD EXAMIANS APP