Microprocessor Which of the following instruction will never affect the zero flag? ORA R XRA R DCR R DCX Rp ORA R XRA R DCR R DCX Rp ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable DMA controller from the following 8279 8257 8253 8251 8279 8257 8253 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor enters into bus idle machine cycle whenever RST 7.5 is recognized DAD RP instruction is executed None of these INTR interrupt is recognized RST 7.5 is recognized DAD RP instruction is executed None of these INTR interrupt is recognized 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Microprocessor SUB A instruction in 8085 sets zero and carry flags reset zero and parity flags reset carry and sign flags sets zero and sign flags sets zero and carry flags reset zero and parity flags reset carry and sign flags sets zero and sign flags ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any interrupt the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any interrupt ANSWER DOWNLOAD EXAMIANS APP