Microprocessor During OPCODE fetch the state of S0 and S1 is 11 00 10 01 11 00 10 01 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8251 8253 8279 8259 8251 8253 8279 8259 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) Remains unchanged Doubles Halves Increases by 2^(address bits)/addressability Remains unchanged Doubles Halves Increases by 2^(address bits)/addressability 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. DI SIM RIM EI DI SIM RIM EI ANSWER DOWNLOAD EXAMIANS APP
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 Which one of the following circuits transmits two messages simultaneously in one direction Simplex Quadruplex Diplex Duplex Simplex Quadruplex Diplex Duplex ANSWER DOWNLOAD EXAMIANS APP
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