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 EI RIM DI SIM EI RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction Simplex Duplex Quadruplex Diplex Simplex Duplex Quadruplex Diplex ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8253 8279 8259 8251 8253 8279 8259 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)? T1 OP code fetch T3 OP code fetch T4 OP code fetch T2 OP code fetch T1 OP code fetch T3 OP code fetch T4 OP code fetch T2 OP code fetch ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU. True False True False ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 960ns 1280ns 320ns 640ns 960ns 1280ns 320ns 640ns ANSWER DOWNLOAD EXAMIANS APP