Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used POP PSW PUSH A PUSH SP PUSH PSW POP PSW PUSH A PUSH SP PUSH PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are 220 220 - 1 20 220-1 220 220 - 1 20 220-1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Length of the instruction POP D is 1 byte 4 byte 3 byte 2 byte 1 byte 4 byte 3 byte 2 byte 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. SIM EI RIM DI SIM EI RIM DI ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. transferred to memory data register. transferred to memory address register . incremented by one. transferred to address bus. transferred to memory data register. transferred to memory address register . incremented by one. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Increases by 2^(address bits)/addressability Remains unchanged Doubles Halves Increases by 2^(address bits)/addressability Remains unchanged Doubles Halves ANSWER DOWNLOAD EXAMIANS APP