Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 3, 5 1, 2, 5 1, 3, 4 2, 3, 5 1, 3, 5 1, 2, 5 1, 3, 4 2, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions? D-E. H-L. Stack Pointer. Program Counter. D-E. H-L. Stack Pointer. Program Counter. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The register which holds the information about the nature of results of arithmetic and logic operations is called as Condition code register Flag register Process status register Accumulator Condition code register Flag register Process status register Accumulator 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 DI RIM SIM EI DI RIM SIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following? Instruction cycle Memory cycle Clock cycle Machine cycle Instruction cycle Memory cycle Clock cycle Machine cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8279 8257 8259 8275 8279 8257 8259 8275 ANSWER DOWNLOAD EXAMIANS APP