Microprocessor Which one of the following ICs is used to interface keyboard and display? 8259 8251 8279 8253 8259 8251 8279 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line. DI RIM SIM EI DI RIM SIM EI ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A 37 bit mantissa has an accuracy of 10 decimal places 6 decimal places 11 decimal places 8 decimal places 10 decimal places 6 decimal places 11 decimal places 8 decimal places ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to memory data register. incremented by one. transferred to memory address register . transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . transferred to address bus. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always An I/O read cycle A fetch cycle A memory read cycle A memory write cycle An I/O read cycle A fetch cycle A memory read cycle A memory write cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XCHG & DAD B XCHG & DAD H XTHL & DAD H PCHL & DAD D XCHG & DAD B XCHG & DAD H XTHL & DAD H PCHL & DAD D ANSWER DOWNLOAD EXAMIANS APP
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